
{"id":14549,"date":"2026-08-14T18:04:59","date_gmt":"2026-08-14T10:04:59","guid":{"rendered":"https:\/\/www.bluesunpv.com\/?p=14549"},"modified":"2026-08-14T18:18:28","modified_gmt":"2026-08-14T10:18:28","slug":"660w-n-type-topcon-bifacial-solar-panel","status":"publish","type":"post","link":"https:\/\/www.bluesunpv.com\/es\/products\/solar-panel\/topcon\/660w-solar-panel\/","title":{"rendered":"660W N-Type TOPCon Bifacial Solar Module for Commercial &amp; Utility Projects"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14549\" class=\"elementor elementor-14549\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-09a3501 e-flex e-con-boxed e-con e-parent\" data-id=\"09a3501\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9c2364 elementor-widget elementor-widget-image\" data-id=\"d9c2364\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1448\" height=\"1086\" src=\"https:\/\/www.bluesunpv.com\/wp-content\/uploads\/2026\/08\/660w-topcon-bifacial-panel.webp\" class=\"attachment-full size-full wp-image-14557\" alt=\"\" srcset=\"https:\/\/www.bluesunpv.com\/wp-content\/uploads\/2026\/08\/660w-topcon-bifacial-panel.webp 1448w, https:\/\/www.bluesunpv.com\/wp-content\/uploads\/2026\/08\/660w-topcon-bifacial-panel-300x225.webp 300w, https:\/\/www.bluesunpv.com\/wp-content\/uploads\/2026\/08\/660w-topcon-bifacial-panel-1024x768.webp 1024w, https:\/\/www.bluesunpv.com\/wp-content\/uploads\/2026\/08\/660w-topcon-bifacial-panel-768x576.webp 768w, https:\/\/www.bluesunpv.com\/wp-content\/uploads\/2026\/08\/660w-topcon-bifacial-panel-16x12.webp 16w\" sizes=\"(max-width: 1448px) 100vw, 1448px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-358c1bd elementor-widget elementor-widget-html\" data-id=\"358c1bd\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"bs-feature-section\">\r\n\r\n    <div class=\"bs-feature-header\">\r\n        <h2>Key Advantages of 660W TOPCon Bifacial Solar Module<\/h2>\r\n    <\/div>\r\n\r\n    <div class=\"bs-feature-grid\">\r\n\r\n        <div class=\"bs-feature-card\">\r\n            <div class=\"bs-feature-icon\">\u26a1<\/div>\r\n            <h3>Up to 665W Power Output<\/h3>\r\n            <p>645\u2013665W power range with module efficiency up to 24.62%, helping reduce BOS cost and improve project value.<\/p>\r\n        <\/div>\r\n\r\n        <div class=\"bs-feature-card\">\r\n            <div class=\"bs-feature-icon\">\ud83c\udf21<\/div>\r\n            <h3>Better High-Temperature Performance<\/h3>\r\n            <p>Low power temperature coefficient of -0.29%\/\u00b0C helps maintain stable output under hot operating conditions.<\/p>\r\n        <\/div>\r\n\r\n        <div class=\"bs-feature-card\">\r\n            <div class=\"bs-feature-icon\">\u2600<\/div>\r\n            <h3>Bifacial Energy Gain<\/h3>\r\n            <p>Bifacial design captures additional rear-side irradiation, increasing total energy yield depending on installation conditions.<\/p>\r\n        <\/div>\r\n\r\n        <div class=\"bs-feature-card\">\r\n            <div class=\"bs-feature-icon\">\ud83d\udee1<\/div>\r\n            <h3>Long-Term Reliability<\/h3>\r\n            <p>30-year linear power warranty with annual degradation of no more than 0.4% supports reliable long-term operation.<\/p>\r\n        <\/div>\r\n\r\n    <\/div>\r\n\r\n<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6fa31f6 elementor-widget elementor-widget-html\" data-id=\"6fa31f6\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"bs-compare-section\">\r\n\r\n    <div class=\"bs-compare-header\">\r\n        <h2>N-type vs P-type Solar Cell Comparison<\/h2>\r\n        <p>\r\n            N-type solar technology offers higher efficiency, lower degradation, and better long-term performance compared with conventional P-type modules.\r\n        <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"bs-compare-card\">\r\n        <table class=\"bs-compare-table\">\r\n            <thead>\r\n                <tr>\r\n                    <th class=\"compare-head\">Comparison Item<\/th>\r\n                    <th class=\"n-title n-col\">N-type TOPCon<\/th>\r\n                    <th class=\"p-title\">Conventional P-type<\/th>\r\n                <\/tr>\r\n            <\/thead>\r\n            <tbody>\r\n                <tr>\r\n                    <td class=\"compare-head\">Cell Efficiency<\/td>\r\n                    <td class=\"n-col\">Higher conversion efficiency<\/td>\r\n                    <td>Relatively lower efficiency<\/td>\r\n                <\/tr>\r\n                <tr>\r\n                    <td class=\"compare-head\">Power Output<\/td>\r\n                    <td class=\"n-col\">Higher module wattage potential<\/td>\r\n                    <td>Lower output under the same module size<\/td>\r\n                <\/tr>\r\n                <tr>\r\n                    <td class=\"compare-head\">Degradation<\/td>\r\n                    <td class=\"n-col\">Lower first-year and annual degradation<\/td>\r\n                    <td>Higher degradation over time<\/td>\r\n                <\/tr>\r\n                <tr>\r\n                    <td class=\"compare-head\">Temperature Performance<\/td>\r\n                    <td class=\"n-col\">Better performance in hot climates<\/td>\r\n                    <td>Less stable under high temperatures<\/td>\r\n                <\/tr>\r\n                <tr>\r\n                    <td class=\"compare-head\">Bifacial Gain<\/td>\r\n                    <td class=\"n-col\">Better rear-side power generation potential<\/td>\r\n                    <td>Usually lower bifacial performance<\/td>\r\n                <\/tr>\r\n                <tr>\r\n                    <td class=\"compare-head\">Energy Yield<\/td>\r\n                    <td class=\"n-col\">Higher lifetime energy generation<\/td>\r\n                    <td>Lower long-term yield<\/td>\r\n                <\/tr>\r\n                <tr>\r\n                    <td class=\"compare-head\">LCOE<\/td>\r\n                    <td class=\"n-col\">More competitive long-term cost per kWh<\/td>\r\n                    <td>Higher lifetime system cost<\/td>\r\n                <\/tr>\r\n                <tr>\r\n                    <td class=\"compare-head\">Project Value<\/td>\r\n                    <td class=\"n-col\">More suitable for utility and C&amp;I projects<\/td>\r\n                    <td>Suitable for cost-sensitive conventional projects<\/td>\r\n                <\/tr>\r\n            <\/tbody>\r\n        <\/table>\r\n\r\n        <p class=\"bs-compare-note\">\r\n            For commercial and utility-scale projects, N-type TOPCon modules provide better long-term returns through higher efficiency, lower degradation, and improved energy yield.\r\n        <\/p>\r\n    <\/div>\r\n\r\n<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8caad5 elementor-widget elementor-widget-html\" data-id=\"d8caad5\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"bs-tech-specs-section\">\r\n\r\n    <div class=\"bs-tech-specs-header\">\r\n        <h2>660W TOPCon Bifacial Module Specifications<\/h2>\r\n        <p>\r\n            Detailed mechanical dimensions and electrical characteristics for 645W\u2013665W N-type TOPCon bifacial solar modules.\r\n        <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"bs-card bs-tech-card bs-tech-drawing\">\r\n        <img decoding=\"async\" \r\n            src=\"https:\/\/www.bluesunpv.com\/wp-content\/uploads\/2024\/08\/650W-solar-panel-engineering-drawings.webp\" \r\n            alt=\"660W TOPCon bifacial solar panel mechanical drawing dimensions BSM660G12-60HNH\">\r\n        <p class=\"bs-tech-drawing-note\">\r\n            Mechanical dimensions and mounting details (Unit: mm)\r\n        <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"bs-card bs-specs-card\">\r\n        <table class=\"bs-specs-table\">\r\n            <thead>\r\n                <tr>\r\n                    <th class=\"left-head\" colspan=\"2\">Tipo de m\u00f3dulo<\/th>\r\n                    <th class=\"module-title\" colspan=\"2\">BSM645G12-60HNH<\/th>\r\n                    <th class=\"module-title\" colspan=\"2\">BSM650G12-60HNH<\/th>\r\n                    <th class=\"module-title\" colspan=\"2\">BSM655G12-60HNH<\/th>\r\n                    <th class=\"module-title\" colspan=\"2\">BSM660G12-60HNH<\/th>\r\n                    <th class=\"module-title\" colspan=\"2\">BSM665G12-60HNH<\/th>\r\n                <\/tr>\r\n                <tr>\r\n                    <th class=\"left-head\"><\/th>\r\n                    <th class=\"param-col\"><\/th>\r\n                    <th class=\"sub-head\">STC<\/th>\r\n                    <th class=\"sub-head\">NMOT<\/th>\r\n                    <th class=\"sub-head\">STC<\/th>\r\n                    <th class=\"sub-head\">NMOT<\/th>\r\n                    <th class=\"sub-head\">STC<\/th>\r\n                    <th class=\"sub-head\">NMOT<\/th>\r\n                    <th class=\"sub-head\">STC<\/th>\r\n                    <th class=\"sub-head\">NMOT<\/th>\r\n                    <th class=\"sub-head\">STC<\/th>\r\n                    <th class=\"sub-head\">NMOT<\/th>\r\n                <\/tr>\r\n            <\/thead>\r\n\r\n            <tbody>\r\n\r\n                <tr>\r\n                    <td class=\"left-head\">Maximum Power<\/td>\r\n                    <td class=\"param-col\">(Pmax\/W)<\/td>\r\n                    <td>645<\/td><td>489<\/td>\r\n                    <td>650<\/td><td>493<\/td>\r\n                    <td>655<\/td><td>497<\/td>\r\n                    <td>660<\/td><td>501<\/td>\r\n                    <td>665<\/td><td>505<\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                    <td class=\"left-head\">Operating Voltage<\/td>\r\n                    <td class=\"param-col\">(Vmp\/V)<\/td>\r\n                    <td>43.36<\/td><td>40.97<\/td>\r\n                    <td>43.49<\/td><td>41.14<\/td>\r\n                    <td>43.62<\/td><td>41.31<\/td>\r\n                    <td>43.75<\/td><td>41.48<\/td>\r\n                    <td>43.88<\/td><td>41.65<\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                    <td class=\"left-head\">Operating Current<\/td>\r\n                    <td class=\"param-col\">(Imp\/A)<\/td>\r\n                    <td>14.88<\/td><td>11.94<\/td>\r\n                    <td>14.95<\/td><td>11.98<\/td>\r\n                    <td>15.02<\/td><td>12.03<\/td>\r\n                    <td>15.09<\/td><td>12.08<\/td>\r\n                    <td>15.15<\/td><td>12.12<\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                    <td class=\"left-head\">Open-Circuit Voltage<\/td>\r\n                    <td class=\"param-col\">(Voc\/V)<\/td>\r\n                    <td>53.02<\/td><td>50.40<\/td>\r\n                    <td>53.22<\/td><td>50.59<\/td>\r\n                    <td>53.42<\/td><td>50.78<\/td>\r\n                    <td>53.62<\/td><td>50.97<\/td>\r\n                    <td>53.82<\/td><td>51.16<\/td>\r\n                <\/tr>\r\n\r\n                <tr>\r\n                    <td class=\"left-head\">Short-Circuit Current<\/td>\r\n                    <td class=\"param-col\">(Isc\/A)<\/td>\r\n                    <td>15.47<\/td><td>12.59<\/td>\r\n                    <td>15.53<\/td><td>12.65<\/td>\r\n                    <td>15.59<\/td><td>12.71<\/td>\r\n                    <td>15.65<\/td><td>12.77<\/td>\r\n                    <td>15.71<\/td><td>12.83<\/td>\r\n                <\/tr>\r\n\r\n                <tr class=\"eff-row\">\r\n                    <td class=\"left-head\">M\u00f3dulo Eficiencia<\/td>\r\n                    <td class=\"param-col\">\u03b7m(%)<\/td>\r\n                    <td colspan=\"2\">23.88<\/td>\r\n                    <td colspan=\"2\">24.06<\/td>\r\n                    <td colspan=\"2\">24.25<\/td>\r\n                    <td colspan=\"2\">24.43<\/td>\r\n                    <td colspan=\"2\">24.62<\/td>\r\n                <\/tr>\r\n\r\n            <\/tbody>\r\n        <\/table>\r\n    <\/div>\r\n\r\n<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0973fab elementor-widget elementor-widget-html\" data-id=\"0973fab\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"bs-project-video-section\">\r\n\r\n    <div class=\"bs-project-video-header\">\r\n        <h2>660W Solar Panel in Real Projects<\/h2>\r\n        <p>\r\n            See how Bluesun high-efficiency TOPCon solar panels are applied in real photovoltaic power plant projects.\r\n        <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"bs-project-video-box\">\r\n        <div class=\"bs-project-video-ratio\">\r\n            <iframe\r\n                src=\"https:\/\/www.youtube.com\/embed\/pE3fTVUmnvI\"\r\n                title=\"Bluesun 660W TOPCon Solar Panel Project\"\r\n                loading=\"lazy\"\r\n                allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"\r\n                allowfullscreen>\r\n            <\/iframe>\r\n        <\/div>\r\n    <\/div>\r\n\r\n    <p class=\"bs-project-video-note\">\r\n        A real project example showing the installation and application of Bluesun high-power solar modules.\r\n    <\/p>\r\n\r\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84b1b1b elementor-widget elementor-widget-html\" data-id=\"84b1b1b\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"bs-faq-section\">\r\n\r\n    <div class=\"bs-faq-header\">\r\n        <h2>660W TOPCon Bifacial Solar Panel FAQs<\/h2>\r\n        <p>\r\n            Common questions about the BSM660G12-60HNH 660W N-type TOPCon bifacial module, including efficiency, bifacial performance, applications, temperature performance, and long-term reliability.\r\n        <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"bs-faq-list\">\r\n\r\n        <div class=\"bs-faq-item\">\r\n            <details open>\r\n                <summary>\r\n                    <span class=\"bs-faq-question\">\r\n                        What is the efficiency of the BSM660G12-60HNH 660W solar panel?\r\n                    <\/span>\r\n                <\/summary>\r\n                <div class=\"bs-faq-answer\">\r\n                    <p>\r\n                        The BSM660G12-60HNH has a rated power output of 660W and a module efficiency of 24.43% under STC conditions. The full HEX 7 series covers 645W to 665W, with module efficiency reaching up to 24.62% on the 665W model.\r\n                    <\/p>\r\n                <\/div>\r\n            <\/details>\r\n        <\/div>\r\n\r\n        <div class=\"bs-faq-item\">\r\n            <details>\r\n                <summary>\r\n                    <span class=\"bs-faq-question\">\r\n                        What are the main advantages of the 660W TOPCon bifacial module?\r\n                    <\/span>\r\n                <\/summary>\r\n                <div class=\"bs-faq-answer\">\r\n                    <p>\r\n                        The module combines high power output, N-type TOPCon cell technology and bifacial design. Its main advantages include up to 24.43% efficiency for the 660W model, rear-side energy generation, low annual degradation, strong PID resistance and reliable performance in demanding outdoor environments.\r\n                    <\/p>\r\n                <\/div>\r\n            <\/details>\r\n        <\/div>\r\n\r\n        <div class=\"bs-faq-item\">\r\n            <details>\r\n                <summary>\r\n                    <span class=\"bs-faq-question\">\r\n                        Is the 660W TOPCon module suitable for commercial and utility-scale solar projects?\r\n                    <\/span>\r\n                <\/summary>\r\n                <div class=\"bs-faq-answer\">\r\n                    <p>\r\n                        Yes. The 645\u2013665W HEX 7 series is designed for high-power solar applications and is suitable for commercial rooftops and ground-mounted solar power plants. The higher module power can help reduce the number of modules, mounting components and electrical connections required for a given project capacity.\r\n                    <\/p>\r\n                <\/div>\r\n            <\/details>\r\n        <\/div>\r\n\r\n        <div class=\"bs-faq-item\">\r\n            <details>\r\n                <summary>\r\n                    <span class=\"bs-faq-question\">\r\n                        How does bifacial technology improve energy generation?\r\n                    <\/span>\r\n                <\/summary>\r\n                <div class=\"bs-faq-answer\">\r\n                    <p>\r\n                        The bifacial design allows the module to generate electricity from both the front and rear sides. Rear-side gain depends on installation conditions such as ground reflectivity, module height, tilt angle and row spacing. In suitable installations, this can increase total project energy yield compared with front-side generation alone.\r\n                    <\/p>\r\n                <\/div>\r\n            <\/details>\r\n        <\/div>\r\n\r\n        <div class=\"bs-faq-item\">\r\n            <details>\r\n                <summary>\r\n                    <span class=\"bs-faq-question\">\r\n                        How does the 660W module perform in high-temperature environments?\r\n                    <\/span>\r\n                <\/summary>\r\n                <div class=\"bs-faq-answer\">\r\n                    <p>\r\n                        The module has a Pmax temperature coefficient of -0.29%\/\u00b0C. This means power output decreases as cell temperature rises, but the relatively low coefficient helps maintain more stable performance in hot operating conditions.\r\n                    <\/p>\r\n                <\/div>\r\n            <\/details>\r\n        <\/div>\r\n\r\n        <div class=\"bs-faq-item\">\r\n            <details>\r\n                <summary>\r\n                    <span class=\"bs-faq-question\">\r\n                        What is the long-term degradation rate of the HEX 7 TOPCon module?\r\n                    <\/span>\r\n                <\/summary>\r\n                <div class=\"bs-faq-answer\">\r\n                    <p>\r\n                        Bluesun specifies annual degradation of no more than 0.4% over 30 years under its linear power performance warranty. This supports more stable long-term energy production for commercial and utility-scale projects.\r\n                    <\/p>\r\n                <\/div>\r\n            <\/details>\r\n        <\/div>\r\n\r\n        <div class=\"bs-faq-item\">\r\n            <details>\r\n                <summary>\r\n                    <span class=\"bs-faq-question\">\r\n                        What mechanical load can the 660W solar panel withstand?\r\n                    <\/span>\r\n                <\/summary>\r\n                <div class=\"bs-faq-answer\">\r\n                    <p>\r\n                        The module is rated for snow loads up to 5400Pa and wind loads up to 2400Pa, making it suitable for a wide range of rooftop and ground-mounted installation environments.\r\n                    <\/p>\r\n                <\/div>\r\n            <\/details>\r\n        <\/div>\r\n\r\n    <\/div>\r\n\r\n<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Bluesun 660W N-type TOPCon bifacial solar panel offers 645\u2013665W power output and module efficiency up to 24.62%. Designed for commercial rooftops and ground-mounted solar projects, it features strong PID resistance, reliable performance in harsh environments and low annual degradation.<\/p>","protected":false},"author":5,"featured_media":14550,"comment_status":"closed","ping_status":"open","sticky":false,"template":"single-product.php","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[25],"tags":[401,27,495,508,503,509,492],"class_list":["post-14549","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-n-type-topcon-module","tag-650w-solar-panel","tag-bifacial-solar-panel","tag-commercial-solar-panels","tag-dual-glass-solar-module","tag-high-power-solar-panels","tag-n-type-solar-panel","tag-topcon-solar-module"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>660W N-Type TOPCon Bifacial Solar Panel 645\u2013665W | 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