{"id":3482,"date":"2026-04-20T06:59:07","date_gmt":"2026-04-20T06:59:07","guid":{"rendered":"https:\/\/gqlamp.com\/?page_id=3482"},"modified":"2026-04-20T07:01:46","modified_gmt":"2026-04-20T07:01:46","slug":"solar-vs-grid-tco-calculator","status":"publish","type":"page","link":"https:\/\/gqlamp.com\/ar\/led-street-lights\/solar-street-lights-with-pole\/solar-vs-grid-tco-calculator\/","title":{"rendered":"\u062d\u0627\u0633\u0628\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0634\u0628\u0643\u0629 TCO"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-63de2a8\" data-block-id=\"63de2a8\"><style>.stk-63de2a8 {margin-bottom:0px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-63de2a8-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-07b320a\" data-v=\"4\" data-block-id=\"07b320a\"><style>.stk-07b320a-container{margin-top:var(--stk--preset--spacing--50, 1.5rem) !important;margin-right:var(--stk--preset--spacing--50, 1.5rem) !important;margin-bottom:var(--stk--preset--spacing--50, 1.5rem) !important;margin-left:var(--stk--preset--spacing--50, 1.5rem) !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-07b320a-container stk--no-background stk--no-padding\"><div class=\"has-text-align-center stk-block-content stk-inner-blocks stk-07b320a-inner-blocks\"><div class=\"ct-breadcrumbs\" data-source=\"rankmath\" ><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-3351196\" data-block-id=\"3351196\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-3351196-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-8029326\" data-v=\"4\" data-block-id=\"8029326\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-8029326-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-8029326-inner-blocks\">\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n<title>Solar vs Grid-Tied Street Light TCO Calculator | Guangqi<\/title>\n<meta name=\"description\" content=\"Compare 10-year total cost of ownership: solar street lights with pole vs grid-tied LED fixtures. Enter pole count, electricity rate, trenching cost \u2014 get TCO, payback period, and annual savings.\">\n<style>\n:root{--p:#183090;--g:#009048;--r:#D81818;--k:#303030;--bg:#f5f6fa;--b:#e5e7eb;--m:#6b7280}\n*{box-sizing:border-box;margin:0;padding:0}\nbody{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Arial,sans-serif;color:var(--k);line-height:1.55;}\n.shell{max-width:960px;margin:0 auto;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 20px 60px rgba(24,48,144,0.08)}\n.hd{background:linear-gradient(135deg,var(--p),#0f2068);color:#fff;padding:32px 36px}\n.hd h1{font-size:26px;margin:0 0 6px;color:#fff}\n.hd p{color:#cfd6ea;font-size:15px;max-width:64ch}\n.body{padding:28px 36px}\n.cols{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:28px}\n.col h3{color:var(--p);font-size:16px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--b);text-transform:uppercase;letter-spacing:0.05em}\n.col.grid-col h3{color:var(--r)}\n.field{margin-bottom:14px}\nlabel{display:block;font-size:12px;font-weight:600;color:var(--m);margin-bottom:4px;letter-spacing:0.03em}\ninput[type=\"number\"]{width:100%;padding:10px 12px;border:2px solid var(--b);border-radius:4px;font-size:15px;font-family:inherit}\ninput:focus{outline:none;border-color:var(--p)}\n.field .hint{font-size:11px;color:var(--m);margin-top:3px}\n.btn{padding:14px 26px;background:var(--g);color:#fff;border:0;border-radius:5px;font-size:16px;font-weight:600;cursor:pointer;width:100%}\n.btn:hover{filter:brightness(1.05)}\n.result{margin-top:30px;opacity:0;transition:opacity 0.3s}\n.result.show{opacity:1}\n.summary{background:linear-gradient(135deg,#fff 0%,#fff7d1 100%);border:2px solid var(--g);border-radius:8px;padding:26px;margin-bottom:20px}\n.summary h2{color:var(--g);font-size:18px;margin-bottom:18px;text-transform:uppercase;letter-spacing:0.05em}\n.summary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}\n.summary-grid .big{font-size:32px;font-weight:800;color:var(--p);line-height:1}\n.summary-grid .cap{font-size:12px;color:var(--m);text-transform:uppercase;letter-spacing:0.05em;font-weight:600;margin-top:4px}\n.summary-grid .sub{font-size:14px;color:var(--k);margin-top:2px}\n.compare-tbl{width:100%;border-collapse:collapse;margin-top:14px;font-size:14px}\n.compare-tbl th{background:var(--p);color:#fff;padding:10px;text-align:left}\n.compare-tbl td{padding:10px;border-bottom:1px solid var(--b)}\n.compare-tbl tr:nth-child(even) td{background:var(--bg)}\n.compare-tbl .solar{color:var(--g);font-weight:600}\n.compare-tbl .grid{color:var(--r);font-weight:600}\n.note{font-size:12px;color:var(--m);margin-top:14px;padding:12px 16px;background:var(--bg);border-radius:4px;border-left:3px solid var(--p)}\n.cta-foot{margin-top:22px;padding:22px;background:var(--p);border-radius:6px;color:#fff;text-align:center}\n.cta-foot a{display:inline-block;padding:12px 24px;background:var(--g);color:#fff;text-decoration:none;border-radius:4px;font-weight:600;margin-top:10px}\n@media (max-width:720px){.cols{grid-template-columns:1fr}.summary-grid{grid-template-columns:1fr}}\n<\/style>\n<\/head>\n<body>\n<div class=\"shell\">\n  <div class=\"hd\">\n    <h1>Solar vs Grid-Tied Street Light TCO Calculator<\/h1>\n    <p>Compare 10-year total cost of ownership for a solar-powered street light deployment versus a grid-tied LED alternative. Benchmark figures sourced from the Access Fixtures TCO model (2026) and industry pricing research.<\/p>\n  <\/div>\n  <div class=\"body\">\n    <div class=\"cols\">\n      <div class=\"col\">\n        <h3>Your project<\/h3>\n        <div class=\"field\">\n          <label>Number of poles<\/label>\n          <input type=\"number\" id=\"poles\" value=\"30\" min=\"1\">\n          <div class=\"hint\">30 = Access Fixtures benchmark<\/div>\n        <\/div>\n        <div class=\"field\">\n          <label>Local electricity rate ($\/kWh)<\/label>\n          <input type=\"number\" id=\"rate\" value=\"0.16\" step=\"0.01\" min=\"0.05\" max=\"0.50\">\n          <div class=\"hint\">US avg 2025 \u2248 $0.16\/kWh<\/div>\n        <\/div>\n        <div class=\"field\">\n          <label>Nightly operating hours<\/label>\n          <input type=\"number\" id=\"hours\" value=\"11\" min=\"8\" max=\"14\">\n          <div class=\"hint\">Typical dusk-to-dawn \u2248 10-12 hr<\/div>\n        <\/div>\n      <\/div>\n      <div class=\"col grid-col\">\n        <h3>Grid-tied baseline (per pole)<\/h3>\n        <div class=\"field\">\n          <label>Grid fixture + pole installed cost ($)<\/label>\n          <input type=\"number\" id=\"gridCost\" value=\"2350\" min=\"500\">\n          <div class=\"hint\">Industry range $1,200-3,500 (incl. trenching)<\/div>\n        <\/div>\n        <div class=\"field\">\n          <label>Grid fixture wattage (W)<\/label>\n          <input type=\"number\" id=\"gridWatt\" value=\"200\" min=\"50\">\n          <div class=\"hint\">LED equivalent for road\/parking<\/div>\n        <\/div>\n        <div class=\"field\">\n          <label>Annual maintenance ($\/pole)<\/label>\n          <input type=\"number\" id=\"gridMaint\" value=\"40\" min=\"0\">\n          <div class=\"hint\">Lamp\/driver replacements<\/div>\n        <\/div>\n      <\/div>\n      <div class=\"col\">\n        <h3>Solar Guangqi (per pole)<\/h3>\n        <div class=\"field\">\n          <label>Solar fixture + pole installed ($)<\/label>\n          <input type=\"number\" id=\"solarCost\" value=\"1400\" min=\"500\">\n          <div class=\"hint\">GQ-TKJ-B class installed; $800-2,000 typical<\/div>\n        <\/div>\n        <div class=\"field\">\n          <label>Battery replacement at year 7 ($)<\/label>\n          <input type=\"number\" id=\"battCost\" value=\"180\" min=\"0\">\n          <div class=\"hint\">LiFePO4 replacement, once in 10-yr window<\/div>\n        <\/div>\n      <\/div>\n      <div class=\"col\">\n        <h3>Options<\/h3>\n        <div class=\"field\">\n          <label>Federal ITC (%)<\/label>\n          <input type=\"number\" id=\"itc\" value=\"30\" min=\"0\" max=\"40\">\n          <div class=\"hint\">US: 30% through 2032<\/div>\n        <\/div>\n        <div class=\"field\">\n          <label>Electricity rate inflation (%\/yr)<\/label>\n          <input type=\"number\" id=\"infl\" value=\"3\" min=\"0\" max=\"10\">\n          <div class=\"hint\">Historical avg 3-4%<\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n    <button class=\"btn\" onclick=\"run()\">Calculate 10-year TCO comparison<\/button>\n\n    <div id=\"result\" class=\"result\">\n      <div class=\"summary\">\n        <h2>10-Year TCO Summary<\/h2>\n        <div class=\"summary-grid\">\n          <div>\n            <div class=\"big\" id=\"savings\">\u2014<\/div>\n            <div class=\"cap\">Total 10-yr savings (solar wins)<\/div>\n          <\/div>\n          <div>\n            <div class=\"big\" id=\"payback\">\u2014<\/div>\n            <div class=\"cap\">Payback period<\/div>\n          <\/div>\n          <div>\n            <div class=\"big\" id=\"annual\">\u2014<\/div>\n            <div class=\"cap\">Annual savings (avg)<\/div>\n          <\/div>\n          <div>\n            <div class=\"big\" id=\"itcbenefit\">\u2014<\/div>\n            <div class=\"cap\">ITC credit (year 1)<\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n      <table class=\"compare-tbl\">\n        <thead>\n          <tr><th>Cost line<\/th><th>Solar (Guangqi)<\/th><th>Grid-tied LED<\/th><\/tr>\n        <\/thead>\n        <tbody>\n          <tr><td>Upfront fixture + pole (net ITC)<\/td><td class=\"solar\" id=\"s-up\">\u2014<\/td><td class=\"grid\" id=\"g-up\">\u2014<\/td><\/tr>\n          <tr><td>10-yr electricity<\/td><td class=\"solar\">$0<\/td><td class=\"grid\" id=\"g-el\">\u2014<\/td><\/tr>\n          <tr><td>10-yr maintenance<\/td><td class=\"solar\" id=\"s-m\">\u2014<\/td><td class=\"grid\" id=\"g-m\">\u2014<\/td><\/tr>\n          <tr><td>Battery \/ lamp replacement<\/td><td class=\"solar\" id=\"s-b\">\u2014<\/td><td class=\"grid\">\u2014<\/td><\/tr>\n          <tr><td><strong>10-year TCO total<\/strong><\/td><td class=\"solar\" id=\"s-t\">\u2014<\/td><td class=\"grid\" id=\"g-t\">\u2014<\/td><\/tr>\n        <\/tbody>\n      <\/table>\n      <div class=\"note\">Benchmark sources: Access Fixtures Solar vs Grid TCO Calculator (2026), GS Light commercial pricing data (2026). Actual project outcomes depend on site-specific trenching distance, labor cost, permit fees, and local electricity rate. The Inflation Reduction Act extends the 30% Investment Tax Credit for qualifying commercial solar equipment through 2032.<\/div>\n      <div class=\"cta-foot\">\n        <strong>Want a site-specific TCO analysis using your pricing?<\/strong><br>\n        Our engineering team returns a full itemized TCO + photometric layout within 5 business days.\n        <br>\n        <a href=\"#ct-popup-801\">Request Engineering Quote<\/a>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n<script>\nfunction fmt(n){return '$'+Math.round(n).toLocaleString('en-US')}\nfunction run(){\n  var poles=+document.getElementById('poles').value;\n  var rate=+document.getElementById('rate').value;\n  var hours=+document.getElementById('hours').value;\n  var gridCost=+document.getElementById('gridCost').value;\n  var gridWatt=+document.getElementById('gridWatt').value;\n  var gridMaint=+document.getElementById('gridMaint').value;\n  var solarCost=+document.getElementById('solarCost').value;\n  var battCost=+document.getElementById('battCost').value;\n  var itc=+document.getElementById('itc').value\/100;\n  var infl=+document.getElementById('infl').value\/100;\n  var annualKwh=gridWatt*hours*365\/1000;\n  var y10Elec=0;\n  for(var y=0;y<10;y++){y10Elec+=annualKwh*rate*Math.pow(1+infl,y)}\n  y10Elec*=poles;\n  var sUp=solarCost*poles*(1-itc);\n  var gUp=gridCost*poles;\n  var sM=0;\n  var gM=gridMaint*poles*10;\n  var sB=battCost*poles;\n  var sT=sUp+sM+sB;\n  var gT=gUp+y10Elec+gM;\n  var diff=gT-sT;\n  var annSav=diff\/10;\n  var yearlyGridCost=annualKwh*poles*rate+gridMaint*poles;\n  var netUpfront=Math.max(0,sUp-gUp);\n  var pbY=netUpfront>0 ? (netUpfront\/yearlyGridCost).toFixed(1) : '<1';\n  var itcVal=solarCost*poles*itc;\n  document.getElementById('savings').textContent=fmt(diff);\n  document.getElementById('payback').textContent=pbY+' yr';\n  document.getElementById('annual').textContent=fmt(annSav)+'\/yr';\n  document.getElementById('itcbenefit').textContent=fmt(itcVal);\n  document.getElementById('s-up').textContent=fmt(sUp);\n  document.getElementById('g-up').textContent=fmt(gUp);\n  document.getElementById('g-el').textContent=fmt(y10Elec);\n  document.getElementById('s-m').textContent=fmt(sM);\n  document.getElementById('g-m').textContent=fmt(gM);\n  document.getElementById('s-b').textContent=fmt(sB);\n  document.getElementById('s-t').textContent=fmt(sT);\n  document.getElementById('g-t').textContent=fmt(gT);\n  document.getElementById('result').classList.add('show');\n  document.getElementById('result').scrollIntoView({behavior:'smooth',block:'start'});\n}\n<\/script>\n<\/body>\n<\/html>\n\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Solar vs Grid-Tied Street Light TCO Calculator | Guangqi Solar vs Grid-Tied Street Light TCO Calculator Compare 10-year total cost of ownership for a solar-powered street light deployment versus a grid-tied LED alternative. Benchmark figures sourced from the Access Fixtures TCO model (2026) and industry pricing research. Your project Number of poles 30 = Access [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":3282,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","footnotes":""},"class_list":["post-3482","page","type-page","status-publish","hentry"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/gqlamp.com\/ar\/wp-json\/wp\/v2\/pages\/3482","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gqlamp.com\/ar\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gqlamp.com\/ar\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gqlamp.com\/ar\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/gqlamp.com\/ar\/wp-json\/wp\/v2\/comments?post=3482"}],"version-history":[{"count":0,"href":"https:\/\/gqlamp.com\/ar\/wp-json\/wp\/v2\/pages\/3482\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/gqlamp.com\/ar\/wp-json\/wp\/v2\/pages\/3282"}],"wp:attachment":[{"href":"https:\/\/gqlamp.com\/ar\/wp-json\/wp\/v2\/media?parent=3482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}