Solar Feasibility Dashboard | Thailand<\/title>\n <script src=\"https:\/\/cdn.tailwindcss.com\"><\/script>\n <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/chart.js\"><\/script>\n \n \n \n \n\n \n\n \n\n <style>\n body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f8fafc; color: #0f172a; }\n \n \/* Required Chart Container Styling *\/\n .chart-container {\n position: relative;\n width: 100%;\n max-width: 800px;\n margin-left: auto;\n margin-right: auto;\n height: 350px;\n max-height: 400px;\n }\n @media (max-width: 640px) {\n .chart-container { height: 280px; }\n }\n\n .tab-active { background-color: #fbbf24; color: #000; border-color: #f59e0b; }\n .tab-inactive { background-color: #f1f5f9; color: #475569; border-color: #cbd5e1; }\n .interactive-btn { transition: all 0.2s ease-in-out; }\n .interactive-btn:hover { transform: translateY(-2px); }\n <\/style>\n<\/head>\n<body class=\"antialiased\">\n\n \n <header class=\"bg-white shadow-sm sticky top-0 z-10 border-b border-slate-200\">\n <div class=\"max-w-6xl mx-auto px-4 py-4 flex justify-between items-center\">\n <div class=\"flex items-center gap-2\">\n <span class=\"text-2xl\" role=\"img\" aria-label=\"sun\">☀️<\/span>\n <h1 class=\"text-xl font-bold text-slate-800\">Thai Solar Insights<\/h1>\n <\/div>\n <div class=\"text-sm font-medium text-slate-500 bg-slate-100 px-3 py-1 rounded-full\">\n Custom Assessment\n <\/div>\n <\/div>\n <\/header>\n\n <main class=\"max-w-6xl mx-auto px-4 py-8 space-y-12\">\n\n \n <section class=\"bg-white rounded-2xl shadow-sm border border-slate-200 p-6 md:p-8\">\n <h2 class=\"text-2xl md:text-3xl font-bold mb-4\">Executive Summary & Sizing<\/h2>\n <p class=\"text-slate-600 mb-6 text-lg leading-relaxed\">\n Based on your monthly electricity bill of <strong>6,000 – 8,000 THB<\/strong>, we recommend a <strong>10 kW Solar System<\/strong>. This size will generate roughly 1,200 – 1,350 kWh per month, effectively neutralizing the highest tier rates of your MEA\/PEA utility bill. Below is an analysis of your property space, system options, and expected return on investment in Thailand.\n <\/p>\n <div class=\"grid grid-cols-2 md:grid-cols-4 gap-4 text-center\">\n <div class=\"bg-amber-50 p-4 rounded-xl border border-amber-100\">\n <p class=\"text-sm text-amber-700 font-semibold uppercase tracking-wide\">Rec. System<\/p>\n <p class=\"text-2xl font-bold text-amber-600\">10 kW<\/p>\n <\/div>\n <div class=\"bg-slate-50 p-4 rounded-xl border border-slate-100\">\n <p class=\"text-sm text-slate-500 font-semibold uppercase tracking-wide\">Avg. Daily Yield<\/p>\n <p class=\"text-2xl font-bold text-slate-800\">40 kWh<\/p>\n <\/div>\n <div class=\"bg-slate-50 p-4 rounded-xl border border-slate-100\">\n <p class=\"text-sm text-slate-500 font-semibold uppercase tracking-wide\">CapEx Est.<\/p>\n <p class=\"text-2xl font-bold text-slate-800\">280k THB<\/p>\n <\/div>\n <div class=\"bg-emerald-50 p-4 rounded-xl border border-emerald-100\">\n <p class=\"text-sm text-emerald-700 font-semibold uppercase tracking-wide\">Est. ROI<\/p>\n <p class=\"text-2xl font-bold text-emerald-600\" id=\"summary-roi\">5 – 6 Yrs<\/p>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section>\n <h3 class=\"text-xl font-bold mb-3 flex items-center gap-2\">\n <span class=\"text-xl\">🏡<\/span> 1. Space & Feasibility\n <\/h3>\n <p class=\"text-slate-600 mb-6\">\n Assessing if your 90 sq.wa property can accommodate a 10 kW system. Solar panels require unshaded, preferably South or West-facing roof space.\n <\/p>\n <div class=\"bg-white p-6 rounded-2xl shadow-sm border border-slate-200\">\n <div class=\"flex flex-col md:flex-row justify-between items-center mb-4 gap-4\">\n <div class=\"flex-1\">\n <p class=\"text-sm text-slate-500 mb-1\">Total Land Area (90 sq wa)<\/p>\n <p class=\"text-lg font-bold\">360 m²<\/p>\n <\/div>\n <div class=\"flex-1\">\n <p class=\"text-sm text-slate-500 mb-1\">Est. Roof Area (80%)<\/p>\n <p class=\"text-lg font-bold\">288 m²<\/p>\n <\/div>\n <div class=\"flex-1\">\n <p class=\"text-sm text-slate-500 mb-1\">Required for 10kW<\/p>\n <p class=\"text-lg font-bold text-amber-600\">~50 m²<\/p>\n <\/div>\n <\/div>\n \n <div class=\"w-full bg-slate-100 rounded-full h-8 flex overflow-hidden border border-slate-200 relative\">\n <div class=\"bg-amber-400 h-8 flex items-center justify-center text-xs font-bold px-2\" style=\"width: 17%\">10kW (17%)<\/div>\n <div class=\"bg-slate-300 h-8 flex items-center justify-center text-xs font-bold text-slate-600\" style=\"width: 83%\">Available Roof Space (83%)<\/div>\n <\/div>\n <p class=\"text-sm text-emerald-600 font-semibold mt-4 flex items-center gap-1\">\n <span>✔️<\/span> Feasibility Status: Excellent. You have abundant roof space for current and future expansions.\n <\/p>\n <\/div>\n <\/section>\n\n \n <section>\n <h3 class=\"text-xl font-bold mb-3 flex items-center gap-2\">\n <span class=\"text-xl\">🔋<\/span> 2. System Architecture Selection\n <\/h3>\n <p class=\"text-slate-600 mb-6\">\n Understand the differences between On-Grid, Off-Grid, and Hybrid systems to make an informed capital decision. For urban\/suburban homes in Thailand, On-grid is usually optimal.\n <\/p>\n \n <div class=\"grid grid-cols-1 md:grid-cols-3 gap-4 mb-6\">\n <button onclick=\"setSystemType('ongrid')\" id=\"btn-ongrid\" class=\"tab-active border-2 rounded-xl p-4 text-center interactive-btn font-semibold cursor-pointer\">\n On-Grid System <br><span class=\"text-sm font-normal\">(Recommended)<\/span>\n <\/button>\n <button onclick=\"setSystemType('hybrid')\" id=\"btn-hybrid\" class=\"tab-inactive border-2 rounded-xl p-4 text-center interactive-btn font-semibold cursor-pointer\">\n Hybrid System <br><span class=\"text-sm font-normal\">(With Battery)<\/span>\n <\/button>\n <button onclick=\"setSystemType('offgrid')\" id=\"btn-offgrid\" class=\"tab-inactive border-2 rounded-xl p-4 text-center interactive-btn font-semibold cursor-pointer\">\n Off-Grid System <br><span class=\"text-sm font-normal\">(Independent)<\/span>\n <\/button>\n <\/div>\n\n \n <div class=\"bg-white p-6 rounded-2xl shadow-sm border border-slate-200 min-h-[200px]\" id=\"system-details\">\n \n <\/div>\n <\/section>\n\n \n <section>\n <h3 class=\"text-xl font-bold mb-3 flex items-center gap-2\">\n <span class=\"text-xl\">💰<\/span> 3. ROI & Daytime Usage Simulator\n <\/h3>\n <p class=\"text-slate-600 mb-6\">\n Solar panels generate power during the day. Your return on investment drastically changes based on how much power you consume directly (saving ~4.7 THB\/unit) versus how much you sell back to the grid (earning ~2.20 THB\/unit via net-billing). <strong>Select your estimated daytime usage below to simulate financials.<\/strong>\n <\/p>\n\n <div class=\"grid lg:grid-cols-3 gap-8\">\n \n <div class=\"space-y-6\">\n <div class=\"bg-slate-50 p-5 rounded-xl border border-slate-200\">\n <label class=\"block text-sm font-bold text-slate-700 mb-3\">Estimate your daytime power usage (9 AM – 4 PM):<\/label>\n <div class=\"flex gap-2\">\n <button onclick=\"setUsageScenario(30)\" id=\"btn-use-30\" class=\"flex-1 py-2 rounded border interactive-btn text-sm font-bold tab-inactive\">30%<\/button>\n <button onclick=\"setUsageScenario(50)\" id=\"btn-use-50\" class=\"flex-1 py-2 rounded border interactive-btn text-sm font-bold tab-active\">50%<\/button>\n <button onclick=\"setUsageScenario(70)\" id=\"btn-use-70\" class=\"flex-1 py-2 rounded border interactive-btn text-sm font-bold tab-inactive\">70%<\/button>\n <\/div>\n <p class=\"text-xs text-slate-500 mt-2\">Example: 30% means no one is home, only fridge\/standby. 70% means working from home with A\/C running.<\/p>\n <\/div>\n\n <div class=\"grid grid-cols-2 gap-4\">\n <div class=\"bg-white p-4 rounded-xl border border-slate-200 shadow-sm text-center\">\n <p class=\"text-xs text-slate-500 font-semibold uppercase\">Direct Savings<\/p>\n <p class=\"text-xl font-bold text-slate-800\" id=\"stat-save\">— THB\/mo<\/p>\n <p class=\"text-[10px] text-slate-400\">@ 4.7 THB\/unit<\/p>\n <\/div>\n <div class=\"bg-white p-4 rounded-xl border border-slate-200 shadow-sm text-center\">\n <p class=\"text-xs text-slate-500 font-semibold uppercase\">Sell to Grid<\/p>\n <p class=\"text-xl font-bold text-emerald-600\" id=\"stat-earn\">— THB\/mo<\/p>\n <p class=\"text-[10px] text-slate-400\">@ 2.20 THB\/unit<\/p>\n <\/div>\n <div class=\"col-span-2 bg-slate-800 p-4 rounded-xl shadow-sm text-center text-white\">\n <p class=\"text-sm text-slate-300 font-semibold uppercase mb-1\">Total Monthly Benefit<\/p>\n <p class=\"text-3xl font-bold text-amber-400\" id=\"stat-total\">— THB<\/p>\n <p class=\"text-sm mt-2\">Break-even in: <span class=\"font-bold text-white\" id=\"stat-roi\">—<\/span> Years<\/p>\n <\/div>\n <\/div>\n <\/div>\n\n \n <div class=\"lg:col-span-2 bg-white p-6 rounded-2xl shadow-sm border border-slate-200 flex flex-col justify-center\">\n <h4 class=\"text-center font-bold text-slate-700 mb-4\">10-Year Cumulative Cash Flow (THB)<\/h4>\n <div class=\"chart-container\">\n <canvas id=\"roiChart\"><\/canvas>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section class=\"grid md:grid-cols-2 gap-8\">\n \n <div class=\"bg-white p-6 rounded-2xl shadow-sm border border-slate-200\">\n <h3 class=\"text-xl font-bold mb-4 flex items-center gap-2\">\n <span class=\"text-xl\">🛠️<\/span> 4. Maintenance & Lifecycle\n <\/h3>\n <ul class=\"space-y-4\">\n <li class=\"flex gap-3\">\n <span class=\"text-amber-500 mt-1\">✔️<\/span>\n <div>\n <strong class=\"text-slate-800\">Panel Cleaning (2x \/ Year)<\/strong>\n <p class=\"text-sm text-slate-600\">Dust reduces efficiency. Professional cleaning costs ~2,000 – 3,000 THB per visit. Est: 5,000 THB\/yr.<\/p>\n <\/div>\n <\/li>\n <li class=\"flex gap-3\">\n <span class=\"text-amber-500 mt-1\">✔️<\/span>\n <div>\n <strong class=\"text-slate-800\">Inverter Replacement (Year 10-12)<\/strong>\n <p class=\"text-sm text-slate-600\">While panels last 25 years, the inverter (the brain) typically needs replacement around year 10. Budget ~40,000 THB.<\/p>\n <\/div>\n <\/li>\n <li class=\"flex gap-3\">\n <span class=\"text-amber-500 mt-1\">✔️<\/span>\n <div>\n <strong class=\"text-slate-800\">Warranty Coverage<\/strong>\n <p class=\"text-sm text-slate-600\">Tier 1 panels usually have a 12-year product and 25-year performance warranty. Inverters typically carry 5 to 10 years.<\/p>\n <\/div>\n <\/li>\n <\/ul>\n <\/div>\n\n \n <div class=\"bg-white p-6 rounded-2xl shadow-sm border border-slate-200\">\n <h3 class=\"text-xl font-bold mb-4 flex items-center gap-2\">\n <span class=\"text-xl\">💵<\/span> 5. Tax Benefits & Selling Options\n <\/h3>\n <ul class=\"space-y-4\">\n <li class=\"flex gap-3\">\n <span class=\"text-emerald-500 mt-1\">✔️<\/span>\n <div>\n <strong class=\"text-slate-800\">Net-Billing Program (\u0e02\u0e32\u0e22\u0e44\u0e1f\u0e04\u0e37\u0e19)<\/strong>\n <p class=\"text-sm text-slate-600\">Currently, PEA\/MEA allows residential users to sell excess power back to the grid at exactly <strong>2.20 THB\/kWh<\/strong> for a contract period of 10 years. Requires a special two-way meter installation.<\/p>\n <\/div>\n <\/li>\n <li class=\"flex gap-3\">\n <span class=\"text-emerald-500 mt-1\">✔️<\/span>\n <div>\n <strong class=\"text-slate-800\">Tax Deductions (Corporate vs Individual)<\/strong>\n <p class=\"text-sm text-slate-600\">For residential (individuals), there are currently no direct personal income tax deductions for installing solar. The benefit is entirely in bill reduction and net-billing income. BOI tax benefits are strictly for registered businesses\/factories.<\/p>\n <\/div>\n <\/li>\n <li class=\"flex gap-3\">\n <span class=\"text-emerald-500 mt-1\">✔️<\/span>\n <div>\n <strong class=\"text-slate-800\">Permits Required<\/strong>\n <p class=\"text-sm text-slate-600\">Installation requires permits from the local municipality (Or Bor Tor \/ Khet), the ERC (Energy Regulatory Commission), and the utility provider (PEA\/MEA).<\/p>\n <\/div>\n <\/li>\n <\/ul>\n <\/div>\n <\/section>\n\n \n <footer class=\"text-center text-slate-500 text-sm border-t border-slate-200 pt-8 mt-8 pb-4\">\n Disclaimer: Estimates based on average Thai peak sun hours (4 hrs\/day) and standard Tier 1 equipment costs as of current market rates. Actual generation and ROI may vary based on exact location, shading, and electricity tariff changes.\n <\/footer>\n <\/main>\n\n <script>\n \/\/ --- Core Data & State Management ---\n const sysCost = 280000; \/\/ 10kW On-Grid Estimate THB\n const annualMaintenance = 5000;\n const inverterReplaceCost = 40000;\n \n \/\/ Scenario Calculations based on 1200 kWh\/month generation\n const rateBuy = 4.7; \/\/ THB\n const rateSell = 2.2; \/\/ THB\n const monthlyGen = 1200; \/\/ kWh\n\n const calculateFinancials = (usagePercent) => {\n const usageRatio = usagePercent \/ 100;\n const sellRatio = 1 - usageRatio;\n \n const kwhUsed = monthlyGen * usageRatio;\n const kwhSold = monthlyGen * sellRatio;\n \n const saved = Math.round(kwhUsed * rateBuy);\n const earned = Math.round(kwhSold * rateSell);\n const total = saved + earned;\n \n \/\/ Simple ROI = Capital \/ Annual Benefit\n const roi = (sysCost \/ (total * 12)).toFixed(1);\n\n return { saved, earned, total, roi };\n };\n\n const scenarios = {\n 30: calculateFinancials(30),\n 50: calculateFinancials(50),\n 70: calculateFinancials(70)\n };\n\n let currentScenario = 50;\n let roiChartInstance = null;\n\n \/\/ --- System Types Content ---\n const systemData = {\n ongrid: {\n title: \"On-Grid System (Recommended for 90 sq wa Urban Home)\",\n desc: \"Connects directly to MEA\/PEA grid. Uses solar during the day, draws from grid at night. Excess daytime power can be sold back.\",\n pros: [\"Lowest capital cost (~280k THB)\", \"Fastest ROI (4.5 - 6.5 years)\", \"Zero battery maintenance\"],\n cons: [\"System shuts down during grid power outages for safety (Anti-islanding)\"],\n cost: \"\u0e3f 250,000 - 300,000\"\n },\n hybrid: {\n title: \"Hybrid System (On-Grid + Battery Storage)\",\n desc: \"Connects to grid but includes batteries. Stores excess daytime solar to use at night or during power outages.\",\n pros: [\"Provides backup power during blackouts\", \"Maximizes self-consumption of generated solar\"],\n cons: [\"High initial cost (batteries are expensive)\", \"Slower ROI (8 - 10+ years)\", \"Batteries degrade and need replacement in 7-10 years\"],\n cost: \"\u0e3f 450,000 - 550,000+\"\n },\n offgrid: {\n title: \"Off-Grid System\",\n desc: \"Completely disconnected from the utility grid. Relies 100% on solar and large battery banks. Mostly for remote areas.\",\n pros: [\"Total energy independence\", \"No electricity bills ever\"],\n cons: [\"Extremely high cost (massive battery bank required)\", \"If it rains for days, you lose power\", \"Not practical\/legal for city housing\"],\n cost: \"\u0e3f 600,000+\"\n }\n };\n\n \/\/ --- UI Update Functions ---\n\n function setSystemType(type) {\n \/\/ Update Tab UI\n ['ongrid', 'hybrid', 'offgrid'].forEach(t => {\n const btn = document.getElementById(`btn-${t}`);\n if (t === type) {\n btn.classList.replace('tab-inactive', 'tab-active');\n } else {\n btn.classList.replace('tab-active', 'tab-inactive');\n }\n });\n\n \/\/ Update Content\n const data = systemData[type];\n const html = `\n <div class=\"flex flex-col h-full justify-between\">\n <div>\n <h4 class=\"text-xl font-bold text-slate-800 mb-2\">${data.title}<\/h4>\n <p class=\"text-slate-600 mb-4\">${data.desc}<\/p>\n <div class=\"grid md:grid-cols-2 gap-4 mb-4\">\n <div>\n <strong class=\"text-sm uppercase text-slate-500\">Advantages<\/strong>\n <ul class=\"text-sm space-y-1 mt-1 text-slate-700\">\n ${data.pros.map(p => `<li><span class=\"text-emerald-500 mr-1\">✔<\/span>${p}<\/li>`).join('')}\n <\/ul>\n <\/div>\n <div>\n <strong class=\"text-sm uppercase text-slate-500\">Disadvantages<\/strong>\n <ul class=\"text-sm space-y-1 mt-1 text-slate-700\">\n ${data.cons.map(c => `<li><span class=\"text-red-400 mr-1\">✖<\/span>${c}<\/li>`).join('')}\n <\/ul>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"mt-4 pt-4 border-t border-slate-100 flex justify-between items-center\">\n <span class=\"text-slate-500 font-semibold uppercase text-sm\">Est. 10kW Cost<\/span>\n <span class=\"text-xl font-bold text-slate-800\">${data.cost}<\/span>\n <\/div>\n <\/div>\n `;\n document.getElementById('system-details').innerHTML = html;\n }\n\n function generateChartData(scenarioKey) {\n const data = scenarios[scenarioKey];\n const annualNetBenefit = (data.total * 12) - annualMaintenance;\n let cashFlow = [];\n \n \/\/ Year 0 is Capital Cost\n let currentBalance = -sysCost;\n cashFlow.push(currentBalance);\n\n for (let year = 1; year <= 10; year++) {\n currentBalance += annualNetBenefit;\n if (year === 10) currentBalance -= inverterReplaceCost; \/\/ Year 10 cost hit\n cashFlow.push(currentBalance);\n }\n return cashFlow;\n }\n\n function initChart() {\n const ctx = document.getElementById('roiChart').getContext('2d');\n \n const dataLabels = ['Yr 0', 'Yr 1', 'Yr 2', 'Yr 3', 'Yr 4', 'Yr 5', 'Yr 6', 'Yr 7', 'Yr 8', 'Yr 9', 'Yr 10'];\n \n roiChartInstance = new Chart(ctx, {\n type: 'line',\n data: {\n labels: dataLabels,\n datasets: [{\n label: 'Cumulative Cash Flow (THB)',\n data: generateChartData(currentScenario),\n borderColor: '#f59e0b', \/\/ Amber 500\n backgroundColor: 'rgba(245, 158, 11, 0.1)',\n borderWidth: 3,\n pointBackgroundColor: '#0f172a',\n pointRadius: 4,\n fill: true,\n tension: 0.1\n }]\n },\n options: {\n responsive: true,\n maintainAspectRatio: false, \/\/ Critical for custom container height\n plugins: {\n legend: { display: false },\n tooltip: {\n callbacks: {\n label: function(context) {\n let label = context.dataset.label || '';\n if (label) { label += ': '; }\n if (context.parsed.y !== null) {\n label += new Intl.NumberFormat('en-US').format(context.parsed.y) + ' THB';\n }\n return label;\n }\n }\n }\n },\n scales: {\n y: {\n grid: { color: '#e2e8f0' },\n ticks: {\n callback: function(value) { return value \/ 1000 + 'k'; }\n }\n },\n x: {\n grid: { display: false }\n }\n },\n \/\/ Draw a red line at 0 (Break-even line)\n animation: {\n onComplete: function () {\n const chartInstance = this;\n const ctx = chartInstance.ctx;\n const yAxis = chartInstance.scales.y;\n const xAxis = chartInstance.scales.x;\n const yZero = yAxis.getPixelForValue(0);\n \n ctx.save();\n ctx.beginPath();\n ctx.moveTo(xAxis.left, yZero);\n ctx.lineTo(xAxis.right, yZero);\n ctx.lineWidth = 2;\n ctx.strokeStyle = '#ef4444'; \/\/ Red 500\n ctx.setLineDash([5, 5]);\n ctx.stroke();\n ctx.restore();\n }\n }\n }\n });\n }\n\n function setUsageScenario(percent) {\n currentScenario = percent;\n \n \/\/ Update Buttons UI\n [30, 50, 70].forEach(p => {\n const btn = document.getElementById(`btn-use-${p}`);\n if (p === percent) {\n btn.classList.replace('tab-inactive', 'tab-active');\n } else {\n btn.classList.replace('tab-active', 'tab-inactive');\n }\n });\n\n \/\/ Update Stats UI\n const data = scenarios[percent];\n document.getElementById('stat-save').innerText = new Intl.NumberFormat('en-US').format(data.saved);\n document.getElementById('stat-earn').innerText = new Intl.NumberFormat('en-US').format(data.earned);\n document.getElementById('stat-total').innerText = new Intl.NumberFormat('en-US').format(data.total);\n document.getElementById('stat-roi').innerText = data.roi;\n\n \/\/ Update Chart\n if (roiChartInstance) {\n roiChartInstance.data.datasets[0].data = generateChartData(percent);\n roiChartInstance.update();\n }\n }\n\n \/\/ --- Initialization ---\n document.addEventListener('DOMContentLoaded', () => {\n setSystemType('ongrid'); \/\/ Init default system view\n setUsageScenario(50); \/\/ Init default usage scenario (updates UI and stats)\n initChart(); \/\/ Draw initial chart\n });\n\n <\/script>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>Solar Feasibility Dashboard | Thailand ☀️ Thai Solar Insights Custom Assessment Executive Summary & Sizing Based on your monthly electricity bill of 6,000 – 8,000 THB, we recommend a 10 kW Solar System. This size will generate roughly 1,200 – 1,350 kWh per month, effectively neutralizing the highest tier rates of your MEA\/PEA utility bill. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-7","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/pages\/7","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/comments?post=7"}],"version-history":[{"count":1,"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/pages\/7\/revisions"}],"predecessor-version":[{"id":9,"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/pages\/7\/revisions\/9"}],"wp:attachment":[{"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/media?parent=7"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":7,"date":"2026-04-05T09:28:04","date_gmt":"2026-04-05T09:28:04","guid":{"rendered":"https:\/\/test.onesolution.in.th\/?page_id=7"},"modified":"2026-04-05T09:28:04","modified_gmt":"2026-04-05T09:28:04","slug":"7-2","status":"publish","type":"page","link":"https:\/\/test.onesolution.in.th\/index.php\/7-2\/","title":{"rendered":""},"content":{"rendered":"\n\n\n\n \n \n Solar Feasibility Dashboard | Thailand<\/title>\n <script src=\"https:\/\/cdn.tailwindcss.com\"><\/script>\n <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/chart.js\"><\/script>\n \n \n \n \n\n \n\n \n\n <style>\n body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f8fafc; color: #0f172a; }\n \n \/* Required Chart Container Styling *\/\n .chart-container {\n position: relative;\n width: 100%;\n max-width: 800px;\n margin-left: auto;\n margin-right: auto;\n height: 350px;\n max-height: 400px;\n }\n @media (max-width: 640px) {\n .chart-container { height: 280px; }\n }\n\n .tab-active { background-color: #fbbf24; color: #000; border-color: #f59e0b; }\n .tab-inactive { background-color: #f1f5f9; color: #475569; border-color: #cbd5e1; }\n .interactive-btn { transition: all 0.2s ease-in-out; }\n .interactive-btn:hover { transform: translateY(-2px); }\n <\/style>\n<\/head>\n<body class=\"antialiased\">\n\n \n <header class=\"bg-white shadow-sm sticky top-0 z-10 border-b border-slate-200\">\n <div class=\"max-w-6xl mx-auto px-4 py-4 flex justify-between items-center\">\n <div class=\"flex items-center gap-2\">\n <span class=\"text-2xl\" role=\"img\" aria-label=\"sun\">☀️<\/span>\n <h1 class=\"text-xl font-bold text-slate-800\">Thai Solar Insights<\/h1>\n <\/div>\n <div class=\"text-sm font-medium text-slate-500 bg-slate-100 px-3 py-1 rounded-full\">\n Custom Assessment\n <\/div>\n <\/div>\n <\/header>\n\n <main class=\"max-w-6xl mx-auto px-4 py-8 space-y-12\">\n\n \n <section class=\"bg-white rounded-2xl shadow-sm border border-slate-200 p-6 md:p-8\">\n <h2 class=\"text-2xl md:text-3xl font-bold mb-4\">Executive Summary & Sizing<\/h2>\n <p class=\"text-slate-600 mb-6 text-lg leading-relaxed\">\n Based on your monthly electricity bill of <strong>6,000 – 8,000 THB<\/strong>, we recommend a <strong>10 kW Solar System<\/strong>. This size will generate roughly 1,200 – 1,350 kWh per month, effectively neutralizing the highest tier rates of your MEA\/PEA utility bill. Below is an analysis of your property space, system options, and expected return on investment in Thailand.\n <\/p>\n <div class=\"grid grid-cols-2 md:grid-cols-4 gap-4 text-center\">\n <div class=\"bg-amber-50 p-4 rounded-xl border border-amber-100\">\n <p class=\"text-sm text-amber-700 font-semibold uppercase tracking-wide\">Rec. System<\/p>\n <p class=\"text-2xl font-bold text-amber-600\">10 kW<\/p>\n <\/div>\n <div class=\"bg-slate-50 p-4 rounded-xl border border-slate-100\">\n <p class=\"text-sm text-slate-500 font-semibold uppercase tracking-wide\">Avg. Daily Yield<\/p>\n <p class=\"text-2xl font-bold text-slate-800\">40 kWh<\/p>\n <\/div>\n <div class=\"bg-slate-50 p-4 rounded-xl border border-slate-100\">\n <p class=\"text-sm text-slate-500 font-semibold uppercase tracking-wide\">CapEx Est.<\/p>\n <p class=\"text-2xl font-bold text-slate-800\">280k THB<\/p>\n <\/div>\n <div class=\"bg-emerald-50 p-4 rounded-xl border border-emerald-100\">\n <p class=\"text-sm text-emerald-700 font-semibold uppercase tracking-wide\">Est. ROI<\/p>\n <p class=\"text-2xl font-bold text-emerald-600\" id=\"summary-roi\">5 – 6 Yrs<\/p>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section>\n <h3 class=\"text-xl font-bold mb-3 flex items-center gap-2\">\n <span class=\"text-xl\">🏡<\/span> 1. Space & Feasibility\n <\/h3>\n <p class=\"text-slate-600 mb-6\">\n Assessing if your 90 sq.wa property can accommodate a 10 kW system. Solar panels require unshaded, preferably South or West-facing roof space.\n <\/p>\n <div class=\"bg-white p-6 rounded-2xl shadow-sm border border-slate-200\">\n <div class=\"flex flex-col md:flex-row justify-between items-center mb-4 gap-4\">\n <div class=\"flex-1\">\n <p class=\"text-sm text-slate-500 mb-1\">Total Land Area (90 sq wa)<\/p>\n <p class=\"text-lg font-bold\">360 m²<\/p>\n <\/div>\n <div class=\"flex-1\">\n <p class=\"text-sm text-slate-500 mb-1\">Est. Roof Area (80%)<\/p>\n <p class=\"text-lg font-bold\">288 m²<\/p>\n <\/div>\n <div class=\"flex-1\">\n <p class=\"text-sm text-slate-500 mb-1\">Required for 10kW<\/p>\n <p class=\"text-lg font-bold text-amber-600\">~50 m²<\/p>\n <\/div>\n <\/div>\n \n <div class=\"w-full bg-slate-100 rounded-full h-8 flex overflow-hidden border border-slate-200 relative\">\n <div class=\"bg-amber-400 h-8 flex items-center justify-center text-xs font-bold px-2\" style=\"width: 17%\">10kW (17%)<\/div>\n <div class=\"bg-slate-300 h-8 flex items-center justify-center text-xs font-bold text-slate-600\" style=\"width: 83%\">Available Roof Space (83%)<\/div>\n <\/div>\n <p class=\"text-sm text-emerald-600 font-semibold mt-4 flex items-center gap-1\">\n <span>✔️<\/span> Feasibility Status: Excellent. You have abundant roof space for current and future expansions.\n <\/p>\n <\/div>\n <\/section>\n\n \n <section>\n <h3 class=\"text-xl font-bold mb-3 flex items-center gap-2\">\n <span class=\"text-xl\">🔋<\/span> 2. System Architecture Selection\n <\/h3>\n <p class=\"text-slate-600 mb-6\">\n Understand the differences between On-Grid, Off-Grid, and Hybrid systems to make an informed capital decision. For urban\/suburban homes in Thailand, On-grid is usually optimal.\n <\/p>\n \n <div class=\"grid grid-cols-1 md:grid-cols-3 gap-4 mb-6\">\n <button onclick=\"setSystemType('ongrid')\" id=\"btn-ongrid\" class=\"tab-active border-2 rounded-xl p-4 text-center interactive-btn font-semibold cursor-pointer\">\n On-Grid System <br><span class=\"text-sm font-normal\">(Recommended)<\/span>\n <\/button>\n <button onclick=\"setSystemType('hybrid')\" id=\"btn-hybrid\" class=\"tab-inactive border-2 rounded-xl p-4 text-center interactive-btn font-semibold cursor-pointer\">\n Hybrid System <br><span class=\"text-sm font-normal\">(With Battery)<\/span>\n <\/button>\n <button onclick=\"setSystemType('offgrid')\" id=\"btn-offgrid\" class=\"tab-inactive border-2 rounded-xl p-4 text-center interactive-btn font-semibold cursor-pointer\">\n Off-Grid System <br><span class=\"text-sm font-normal\">(Independent)<\/span>\n <\/button>\n <\/div>\n\n \n <div class=\"bg-white p-6 rounded-2xl shadow-sm border border-slate-200 min-h-[200px]\" id=\"system-details\">\n \n <\/div>\n <\/section>\n\n \n <section>\n <h3 class=\"text-xl font-bold mb-3 flex items-center gap-2\">\n <span class=\"text-xl\">💰<\/span> 3. ROI & Daytime Usage Simulator\n <\/h3>\n <p class=\"text-slate-600 mb-6\">\n Solar panels generate power during the day. Your return on investment drastically changes based on how much power you consume directly (saving ~4.7 THB\/unit) versus how much you sell back to the grid (earning ~2.20 THB\/unit via net-billing). <strong>Select your estimated daytime usage below to simulate financials.<\/strong>\n <\/p>\n\n <div class=\"grid lg:grid-cols-3 gap-8\">\n \n <div class=\"space-y-6\">\n <div class=\"bg-slate-50 p-5 rounded-xl border border-slate-200\">\n <label class=\"block text-sm font-bold text-slate-700 mb-3\">Estimate your daytime power usage (9 AM – 4 PM):<\/label>\n <div class=\"flex gap-2\">\n <button onclick=\"setUsageScenario(30)\" id=\"btn-use-30\" class=\"flex-1 py-2 rounded border interactive-btn text-sm font-bold tab-inactive\">30%<\/button>\n <button onclick=\"setUsageScenario(50)\" id=\"btn-use-50\" class=\"flex-1 py-2 rounded border interactive-btn text-sm font-bold tab-active\">50%<\/button>\n <button onclick=\"setUsageScenario(70)\" id=\"btn-use-70\" class=\"flex-1 py-2 rounded border interactive-btn text-sm font-bold tab-inactive\">70%<\/button>\n <\/div>\n <p class=\"text-xs text-slate-500 mt-2\">Example: 30% means no one is home, only fridge\/standby. 70% means working from home with A\/C running.<\/p>\n <\/div>\n\n <div class=\"grid grid-cols-2 gap-4\">\n <div class=\"bg-white p-4 rounded-xl border border-slate-200 shadow-sm text-center\">\n <p class=\"text-xs text-slate-500 font-semibold uppercase\">Direct Savings<\/p>\n <p class=\"text-xl font-bold text-slate-800\" id=\"stat-save\">— THB\/mo<\/p>\n <p class=\"text-[10px] text-slate-400\">@ 4.7 THB\/unit<\/p>\n <\/div>\n <div class=\"bg-white p-4 rounded-xl border border-slate-200 shadow-sm text-center\">\n <p class=\"text-xs text-slate-500 font-semibold uppercase\">Sell to Grid<\/p>\n <p class=\"text-xl font-bold text-emerald-600\" id=\"stat-earn\">— THB\/mo<\/p>\n <p class=\"text-[10px] text-slate-400\">@ 2.20 THB\/unit<\/p>\n <\/div>\n <div class=\"col-span-2 bg-slate-800 p-4 rounded-xl shadow-sm text-center text-white\">\n <p class=\"text-sm text-slate-300 font-semibold uppercase mb-1\">Total Monthly Benefit<\/p>\n <p class=\"text-3xl font-bold text-amber-400\" id=\"stat-total\">— THB<\/p>\n <p class=\"text-sm mt-2\">Break-even in: <span class=\"font-bold text-white\" id=\"stat-roi\">—<\/span> Years<\/p>\n <\/div>\n <\/div>\n <\/div>\n\n \n <div class=\"lg:col-span-2 bg-white p-6 rounded-2xl shadow-sm border border-slate-200 flex flex-col justify-center\">\n <h4 class=\"text-center font-bold text-slate-700 mb-4\">10-Year Cumulative Cash Flow (THB)<\/h4>\n <div class=\"chart-container\">\n <canvas id=\"roiChart\"><\/canvas>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n \n <section class=\"grid md:grid-cols-2 gap-8\">\n \n <div class=\"bg-white p-6 rounded-2xl shadow-sm border border-slate-200\">\n <h3 class=\"text-xl font-bold mb-4 flex items-center gap-2\">\n <span class=\"text-xl\">🛠️<\/span> 4. Maintenance & Lifecycle\n <\/h3>\n <ul class=\"space-y-4\">\n <li class=\"flex gap-3\">\n <span class=\"text-amber-500 mt-1\">✔️<\/span>\n <div>\n <strong class=\"text-slate-800\">Panel Cleaning (2x \/ Year)<\/strong>\n <p class=\"text-sm text-slate-600\">Dust reduces efficiency. Professional cleaning costs ~2,000 – 3,000 THB per visit. Est: 5,000 THB\/yr.<\/p>\n <\/div>\n <\/li>\n <li class=\"flex gap-3\">\n <span class=\"text-amber-500 mt-1\">✔️<\/span>\n <div>\n <strong class=\"text-slate-800\">Inverter Replacement (Year 10-12)<\/strong>\n <p class=\"text-sm text-slate-600\">While panels last 25 years, the inverter (the brain) typically needs replacement around year 10. Budget ~40,000 THB.<\/p>\n <\/div>\n <\/li>\n <li class=\"flex gap-3\">\n <span class=\"text-amber-500 mt-1\">✔️<\/span>\n <div>\n <strong class=\"text-slate-800\">Warranty Coverage<\/strong>\n <p class=\"text-sm text-slate-600\">Tier 1 panels usually have a 12-year product and 25-year performance warranty. Inverters typically carry 5 to 10 years.<\/p>\n <\/div>\n <\/li>\n <\/ul>\n <\/div>\n\n \n <div class=\"bg-white p-6 rounded-2xl shadow-sm border border-slate-200\">\n <h3 class=\"text-xl font-bold mb-4 flex items-center gap-2\">\n <span class=\"text-xl\">💵<\/span> 5. Tax Benefits & Selling Options\n <\/h3>\n <ul class=\"space-y-4\">\n <li class=\"flex gap-3\">\n <span class=\"text-emerald-500 mt-1\">✔️<\/span>\n <div>\n <strong class=\"text-slate-800\">Net-Billing Program (\u0e02\u0e32\u0e22\u0e44\u0e1f\u0e04\u0e37\u0e19)<\/strong>\n <p class=\"text-sm text-slate-600\">Currently, PEA\/MEA allows residential users to sell excess power back to the grid at exactly <strong>2.20 THB\/kWh<\/strong> for a contract period of 10 years. Requires a special two-way meter installation.<\/p>\n <\/div>\n <\/li>\n <li class=\"flex gap-3\">\n <span class=\"text-emerald-500 mt-1\">✔️<\/span>\n <div>\n <strong class=\"text-slate-800\">Tax Deductions (Corporate vs Individual)<\/strong>\n <p class=\"text-sm text-slate-600\">For residential (individuals), there are currently no direct personal income tax deductions for installing solar. The benefit is entirely in bill reduction and net-billing income. BOI tax benefits are strictly for registered businesses\/factories.<\/p>\n <\/div>\n <\/li>\n <li class=\"flex gap-3\">\n <span class=\"text-emerald-500 mt-1\">✔️<\/span>\n <div>\n <strong class=\"text-slate-800\">Permits Required<\/strong>\n <p class=\"text-sm text-slate-600\">Installation requires permits from the local municipality (Or Bor Tor \/ Khet), the ERC (Energy Regulatory Commission), and the utility provider (PEA\/MEA).<\/p>\n <\/div>\n <\/li>\n <\/ul>\n <\/div>\n <\/section>\n\n \n <footer class=\"text-center text-slate-500 text-sm border-t border-slate-200 pt-8 mt-8 pb-4\">\n Disclaimer: Estimates based on average Thai peak sun hours (4 hrs\/day) and standard Tier 1 equipment costs as of current market rates. Actual generation and ROI may vary based on exact location, shading, and electricity tariff changes.\n <\/footer>\n <\/main>\n\n <script>\n \/\/ --- Core Data & State Management ---\n const sysCost = 280000; \/\/ 10kW On-Grid Estimate THB\n const annualMaintenance = 5000;\n const inverterReplaceCost = 40000;\n \n \/\/ Scenario Calculations based on 1200 kWh\/month generation\n const rateBuy = 4.7; \/\/ THB\n const rateSell = 2.2; \/\/ THB\n const monthlyGen = 1200; \/\/ kWh\n\n const calculateFinancials = (usagePercent) => {\n const usageRatio = usagePercent \/ 100;\n const sellRatio = 1 - usageRatio;\n \n const kwhUsed = monthlyGen * usageRatio;\n const kwhSold = monthlyGen * sellRatio;\n \n const saved = Math.round(kwhUsed * rateBuy);\n const earned = Math.round(kwhSold * rateSell);\n const total = saved + earned;\n \n \/\/ Simple ROI = Capital \/ Annual Benefit\n const roi = (sysCost \/ (total * 12)).toFixed(1);\n\n return { saved, earned, total, roi };\n };\n\n const scenarios = {\n 30: calculateFinancials(30),\n 50: calculateFinancials(50),\n 70: calculateFinancials(70)\n };\n\n let currentScenario = 50;\n let roiChartInstance = null;\n\n \/\/ --- System Types Content ---\n const systemData = {\n ongrid: {\n title: \"On-Grid System (Recommended for 90 sq wa Urban Home)\",\n desc: \"Connects directly to MEA\/PEA grid. Uses solar during the day, draws from grid at night. Excess daytime power can be sold back.\",\n pros: [\"Lowest capital cost (~280k THB)\", \"Fastest ROI (4.5 - 6.5 years)\", \"Zero battery maintenance\"],\n cons: [\"System shuts down during grid power outages for safety (Anti-islanding)\"],\n cost: \"\u0e3f 250,000 - 300,000\"\n },\n hybrid: {\n title: \"Hybrid System (On-Grid + Battery Storage)\",\n desc: \"Connects to grid but includes batteries. Stores excess daytime solar to use at night or during power outages.\",\n pros: [\"Provides backup power during blackouts\", \"Maximizes self-consumption of generated solar\"],\n cons: [\"High initial cost (batteries are expensive)\", \"Slower ROI (8 - 10+ years)\", \"Batteries degrade and need replacement in 7-10 years\"],\n cost: \"\u0e3f 450,000 - 550,000+\"\n },\n offgrid: {\n title: \"Off-Grid System\",\n desc: \"Completely disconnected from the utility grid. Relies 100% on solar and large battery banks. Mostly for remote areas.\",\n pros: [\"Total energy independence\", \"No electricity bills ever\"],\n cons: [\"Extremely high cost (massive battery bank required)\", \"If it rains for days, you lose power\", \"Not practical\/legal for city housing\"],\n cost: \"\u0e3f 600,000+\"\n }\n };\n\n \/\/ --- UI Update Functions ---\n\n function setSystemType(type) {\n \/\/ Update Tab UI\n ['ongrid', 'hybrid', 'offgrid'].forEach(t => {\n const btn = document.getElementById(`btn-${t}`);\n if (t === type) {\n btn.classList.replace('tab-inactive', 'tab-active');\n } else {\n btn.classList.replace('tab-active', 'tab-inactive');\n }\n });\n\n \/\/ Update Content\n const data = systemData[type];\n const html = `\n <div class=\"flex flex-col h-full justify-between\">\n <div>\n <h4 class=\"text-xl font-bold text-slate-800 mb-2\">${data.title}<\/h4>\n <p class=\"text-slate-600 mb-4\">${data.desc}<\/p>\n <div class=\"grid md:grid-cols-2 gap-4 mb-4\">\n <div>\n <strong class=\"text-sm uppercase text-slate-500\">Advantages<\/strong>\n <ul class=\"text-sm space-y-1 mt-1 text-slate-700\">\n ${data.pros.map(p => `<li><span class=\"text-emerald-500 mr-1\">✔<\/span>${p}<\/li>`).join('')}\n <\/ul>\n <\/div>\n <div>\n <strong class=\"text-sm uppercase text-slate-500\">Disadvantages<\/strong>\n <ul class=\"text-sm space-y-1 mt-1 text-slate-700\">\n ${data.cons.map(c => `<li><span class=\"text-red-400 mr-1\">✖<\/span>${c}<\/li>`).join('')}\n <\/ul>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"mt-4 pt-4 border-t border-slate-100 flex justify-between items-center\">\n <span class=\"text-slate-500 font-semibold uppercase text-sm\">Est. 10kW Cost<\/span>\n <span class=\"text-xl font-bold text-slate-800\">${data.cost}<\/span>\n <\/div>\n <\/div>\n `;\n document.getElementById('system-details').innerHTML = html;\n }\n\n function generateChartData(scenarioKey) {\n const data = scenarios[scenarioKey];\n const annualNetBenefit = (data.total * 12) - annualMaintenance;\n let cashFlow = [];\n \n \/\/ Year 0 is Capital Cost\n let currentBalance = -sysCost;\n cashFlow.push(currentBalance);\n\n for (let year = 1; year <= 10; year++) {\n currentBalance += annualNetBenefit;\n if (year === 10) currentBalance -= inverterReplaceCost; \/\/ Year 10 cost hit\n cashFlow.push(currentBalance);\n }\n return cashFlow;\n }\n\n function initChart() {\n const ctx = document.getElementById('roiChart').getContext('2d');\n \n const dataLabels = ['Yr 0', 'Yr 1', 'Yr 2', 'Yr 3', 'Yr 4', 'Yr 5', 'Yr 6', 'Yr 7', 'Yr 8', 'Yr 9', 'Yr 10'];\n \n roiChartInstance = new Chart(ctx, {\n type: 'line',\n data: {\n labels: dataLabels,\n datasets: [{\n label: 'Cumulative Cash Flow (THB)',\n data: generateChartData(currentScenario),\n borderColor: '#f59e0b', \/\/ Amber 500\n backgroundColor: 'rgba(245, 158, 11, 0.1)',\n borderWidth: 3,\n pointBackgroundColor: '#0f172a',\n pointRadius: 4,\n fill: true,\n tension: 0.1\n }]\n },\n options: {\n responsive: true,\n maintainAspectRatio: false, \/\/ Critical for custom container height\n plugins: {\n legend: { display: false },\n tooltip: {\n callbacks: {\n label: function(context) {\n let label = context.dataset.label || '';\n if (label) { label += ': '; }\n if (context.parsed.y !== null) {\n label += new Intl.NumberFormat('en-US').format(context.parsed.y) + ' THB';\n }\n return label;\n }\n }\n }\n },\n scales: {\n y: {\n grid: { color: '#e2e8f0' },\n ticks: {\n callback: function(value) { return value \/ 1000 + 'k'; }\n }\n },\n x: {\n grid: { display: false }\n }\n },\n \/\/ Draw a red line at 0 (Break-even line)\n animation: {\n onComplete: function () {\n const chartInstance = this;\n const ctx = chartInstance.ctx;\n const yAxis = chartInstance.scales.y;\n const xAxis = chartInstance.scales.x;\n const yZero = yAxis.getPixelForValue(0);\n \n ctx.save();\n ctx.beginPath();\n ctx.moveTo(xAxis.left, yZero);\n ctx.lineTo(xAxis.right, yZero);\n ctx.lineWidth = 2;\n ctx.strokeStyle = '#ef4444'; \/\/ Red 500\n ctx.setLineDash([5, 5]);\n ctx.stroke();\n ctx.restore();\n }\n }\n }\n });\n }\n\n function setUsageScenario(percent) {\n currentScenario = percent;\n \n \/\/ Update Buttons UI\n [30, 50, 70].forEach(p => {\n const btn = document.getElementById(`btn-use-${p}`);\n if (p === percent) {\n btn.classList.replace('tab-inactive', 'tab-active');\n } else {\n btn.classList.replace('tab-active', 'tab-inactive');\n }\n });\n\n \/\/ Update Stats UI\n const data = scenarios[percent];\n document.getElementById('stat-save').innerText = new Intl.NumberFormat('en-US').format(data.saved);\n document.getElementById('stat-earn').innerText = new Intl.NumberFormat('en-US').format(data.earned);\n document.getElementById('stat-total').innerText = new Intl.NumberFormat('en-US').format(data.total);\n document.getElementById('stat-roi').innerText = data.roi;\n\n \/\/ Update Chart\n if (roiChartInstance) {\n roiChartInstance.data.datasets[0].data = generateChartData(percent);\n roiChartInstance.update();\n }\n }\n\n \/\/ --- Initialization ---\n document.addEventListener('DOMContentLoaded', () => {\n setSystemType('ongrid'); \/\/ Init default system view\n setUsageScenario(50); \/\/ Init default usage scenario (updates UI and stats)\n initChart(); \/\/ Draw initial chart\n });\n\n <\/script>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>Solar Feasibility Dashboard | Thailand ☀️ Thai Solar Insights Custom Assessment Executive Summary & Sizing Based on your monthly electricity bill of 6,000 – 8,000 THB, we recommend a 10 kW Solar System. This size will generate roughly 1,200 – 1,350 kWh per month, effectively neutralizing the highest tier rates of your MEA\/PEA utility bill. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-7","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/pages\/7","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/comments?post=7"}],"version-history":[{"count":1,"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/pages\/7\/revisions"}],"predecessor-version":[{"id":9,"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/pages\/7\/revisions\/9"}],"wp:attachment":[{"href":"https:\/\/test.onesolution.in.th\/index.php\/wp-json\/wp\/v2\/media?parent=7"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}