{"id":8133,"date":"2023-02-26T04:55:24","date_gmt":"2023-02-26T04:55:24","guid":{"rendered":"https:\/\/sntek.vn\/he-thong-dien-mat-troi-ho-gia-dinh\/"},"modified":"2025-01-03T10:13:06","modified_gmt":"2025-01-03T10:13:06","slug":"residential-solar-power-systems","status":"publish","type":"post","link":"https:\/\/sntek.vn\/en\/residential-solar-power-systems\/","title":{"rendered":"5 Things You Need to Know About Residential Solar Power Systems Before Installation"},"content":{"rendered":"<p>Are you considering installing a residential solar power system? This is one of the sustainable solutions that helps save costs and protect the environment. However, not every household is suitable for solar power. So how can you determine if your home can maximize the benefits of this energy source? Let&#8217;s explore five important factors with <a href=\"https:\/\/sntek.vn\/en\/\" target=\"_blank\" rel=\"noopener\">SNTek<\/a> in the article below.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/sntek.vn\/en\/residential-solar-power-systems\/#Things_to_Know_Before_Installing_Residential_Solar_Power_Systems\" title=\"Things to Know Before Installing Residential Solar Power Systems\">Things to Know Before Installing Residential Solar Power Systems<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/sntek.vn\/en\/residential-solar-power-systems\/#Installation_Costs_and_Payback_Period\" title=\"Installation Costs and Payback Period\">Installation Costs and Payback Period<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/sntek.vn\/en\/residential-solar-power-systems\/#Support_Policies\" title=\"Support Policies\">Support Policies<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/sntek.vn\/en\/residential-solar-power-systems\/#Installation_Location_%E2%80%93_A_Key_Factor_in_Performance\" title=\"Installation Location \u2013 A Key Factor in Performance\">Installation Location \u2013 A Key Factor in Performance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/sntek.vn\/en\/residential-solar-power-systems\/#Electricity_Usage_Needs\" title=\"Electricity Usage Needs\">Electricity Usage Needs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/sntek.vn\/en\/residential-solar-power-systems\/#Technical_Requirements_and_System_Maintenance\" title=\"Technical Requirements and System Maintenance\">Technical Requirements and System Maintenance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/sntek.vn\/en\/residential-solar-power-systems\/#Suitable_Target_Groups_%E2%80%93_Who_Should_Invest\" title=\"Suitable Target Groups \u2013 Who Should Invest?\">Suitable Target Groups \u2013 Who Should Invest?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/sntek.vn\/en\/residential-solar-power-systems\/#Long-Term_Benefits_and_Impact_on_Family_Lifestyle\" title=\"Long-Term Benefits and Impact on Family Lifestyle\">Long-Term Benefits and Impact on Family Lifestyle<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/sntek.vn\/en\/residential-solar-power-systems\/#Frequently_Asked_Questions_FAQs\" title=\"Frequently Asked Questions (FAQs)\">Frequently Asked Questions (FAQs)<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Things_to_Know_Before_Installing_Residential_Solar_Power_Systems\"><\/span>Things to Know Before Installing Residential Solar Power Systems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Installation_Costs_and_Payback_Period\"><\/span>Installation Costs and Payback Period<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>One of the first factors to consider is the cost. Currently, the price for installing a residential solar power system ranges from 30 to 150 million VND, depending on the system&#8217;s capacity and the type of solar panels used. Additionally, regular cleaning and maintenance (about 1-2 times per year) are necessary to ensure optimal performance, with costs averaging 1-2 million VND annually. Solar panels tend to lose efficiency over time. After 10 years, efficiency typically drops by 10-15%, and after 25 years, it decreases by 20-25%.<\/p>\n<blockquote><p>For more details on installation costs, refer to:<\/p>\n<p class=\"post-title\"><a href=\"https:\/\/sntek.vn\/en\/installation-cost-of-solar-energy\/\" target=\"_blank\" rel=\"noopener\">Installation Cost Of Solar Energy Systems In 2024<\/a><\/p>\n<\/blockquote>\n<p>Besides the costs mentioned above, you should also calculate the payback period. Typically, with an average electricity consumption of around 300 &#8211; 500 kWh per month, you can break even within 4-7 years, depending on the type of solar power system. After this period, the system will provide long-term benefits, significantly reducing your monthly electricity expenses.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Support_Policies\"><\/span>Support Policies<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The Vietnamese government has recently issued <a href=\"https:\/\/xaydungchinhsach.chinhphu.vn\/chinh-sach-moi-ve-phat-trien-dien-mat-troi-mai-nha-tu-san-xuat-tu-tieu-thu-119241023084553098.htm\" target=\"_blank\" rel=\"nofollow noopener\">Decree No. 135\/2024\/N\u0110-CP<\/a> on October 22, 2024, outlining mechanisms and policies to encourage the development of self-produced, self-consumed rooftop solar power. The key provisions in the decree include:<\/p>\n<ul>\n<li>Self-produced, self-consumed rooftop solar power systems will be eligible for tax incentives in accordance with current tax laws.<\/li>\n<li>Organizations and individuals installing self-produced, self-consumed rooftop solar power systems will be exempt from electricity operation licenses and will not be subject to capacity limitations in certain cases.<\/li>\n<\/ul>\n<p>Explore these programs to save even more on costs.<\/p>\n<figure id=\"attachment_8026\" aria-describedby=\"caption-attachment-8026\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-8026\" src=\"https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-2-4-1024x576.jpg\" alt=\"Chi ph\u00ed l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi h\u1ed9 gia \u0111\u00ecnh\" width=\"1024\" height=\"576\" srcset=\"https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-2-4-1024x576.jpg 1024w, https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-2-4-300x169.jpg 300w, https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-2-4-768x432.jpg 768w, https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-2-4-470x264.jpg 470w, https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-2-4.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-8026\" class=\"wp-caption-text\">Installation costs of residential solar power systems<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Installation_Location_%E2%80%93_A_Key_Factor_in_Performance\"><\/span>Installation Location \u2013 A Key Factor in Performance<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Geographical location and environmental conditions are crucial factors that affect the performance of a solar power system:<\/p>\n<ul>\n<li><strong>Sunny areas:<\/strong> Central and Southern regions such as Ninh Thu\u1eadn, B\u00ecnh Thu\u1eadn, and Ho Chi Minh City experience high sun hours, often receiving 5-6 hours of direct sunlight per day. In contrast, the North (e.g., Hanoi) is typically limited during winter, with cloudy weather and light rain reducing performance significantly.<\/li>\n<li><strong>Well-ventilated rooftops:<\/strong> Solar panels require a spacious, unobstructed area, free from shading by trees, tall buildings, or other obstacles. If the rooftop is shadowed or not designed to bear the weight of the panels, the installation performance will not meet expectations.<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Before making a decision, you should conduct an on-site survey with experts to assess the optimality of the installation location.<\/span><\/p>\n<figure id=\"attachment_8024\" aria-describedby=\"caption-attachment-8024\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-8024\" src=\"https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-3-2-1024x576.jpg\" alt=\"V\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi h\u1ed9 gia \u0111\u00ecnh\" width=\"1024\" height=\"576\" srcset=\"https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-3-2-1024x576.jpg 1024w, https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-3-2-300x169.jpg 300w, https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-3-2-768x432.jpg 768w, https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-3-2-470x264.jpg 470w, https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-3-2.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-8024\" class=\"wp-caption-text\">Installation location of residential solar power ystems<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Electricity_Usage_Needs\"><\/span>Electricity Usage Needs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To make an effective investment, your family needs to assess daily electricity consumption:<\/p>\n<ul>\n<li><strong>Electricity consumption:<\/strong> If your monthly electricity bill is under 1.5 million VND, installing solar power may not be necessary. This system is particularly suitable for households with a monthly consumption of over 2 million VND, such as homes with many electrical devices or larger families.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Usage time:<\/strong> Solar power only generates electricity when there is sunlight, typically from 7 AM to 5 PM. If your family mainly stays at home in the evening and uses most of the electricity during this time, you may not fully utilize the electricity generated during the day.<\/li>\n<\/ul>\n<p><strong>Important note:<\/strong> Excess electricity not used during the day will be sold back to EVN. In July 2024, <a href=\"https:\/\/laodong.vn\/kinh-doanh\/dien-mat-troi-mai-nha-du-thua-ban-cho-evn-duoc-de-xuat-gia-671-dongkwh-1365391.ldo\" target=\"_blank\" rel=\"nofollow noopener\">the Ministry of Industry and Trade proposed a buyback rate<\/a> for surplus rooftop solar electricity at 671 VND\/kWh, which is lower than the purchase price from EVN.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Technical_Requirements_and_System_Maintenance\"><\/span>Technical Requirements and System Maintenance<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Before installation, you need to ensure that the roof has enough space and can support the weight of the solar panels.<\/p>\n<ul>\n<li><strong>Required space:<\/strong> A 3kW solar power system requires approximately 15-20 m\u00b2 of unobstructed roof space.<\/li>\n<li><strong>Durability:<\/strong> Modern solar power systems have a lifespan of 20-25 years, with components such as panels and inverters easily replaceable when needed.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Suitable_Target_Groups_%E2%80%93_Who_Should_Invest\"><\/span>Suitable Target Groups \u2013 Who Should Invest?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Not every family is suitable for solar power. However, the following groups are ideal:<\/p>\n<ul>\n<li><strong>Families living in sunny areas:<\/strong> Central and Southern regions or open rural areas are good options.<\/li>\n<li><strong>Businesses:<\/strong> Commercial establishments, factories, and offices that consume a lot of electricity during the day can maximize this energy source.<\/li>\n<li><strong>Large electricity consumers:<\/strong> Larger families who use air conditioners, water heaters, washing machines, and large refrigerators typically benefit the most.<\/li>\n<\/ul>\n<div class=\"flex max-w-full flex-col flex-grow\">\n<div class=\"min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+&amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"0e6f658a-8ea6-4ed5-bdaf-11230c3b04cf\" data-message-model-slug=\"gpt-4o-mini\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\">\n<div class=\"markdown prose w-full break-words dark:prose-invert dark\">\n<p><strong>Unsuitable groups:<\/strong> Families living in large cities with low-roofed, shaded homes or those with low electricity consumption should avoid rushing into an investment while installation costs remain high.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<figure id=\"attachment_8022\" aria-describedby=\"caption-attachment-8022\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-8022\" src=\"https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-4-2-1024x576.jpg\" alt=\"\u0110\u1ed1i t\u01b0\u1ee3ng ph\u00f9 h\u1ee3p l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n m\u1eb7t tr\u1eddi h\u1ed9 gia \u0111\u00ecnh\" width=\"1024\" height=\"576\" srcset=\"https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-4-2-1024x576.jpg 1024w, https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-4-2-300x169.jpg 300w, https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-4-2-768x432.jpg 768w, https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-4-2-470x264.jpg 470w, https:\/\/sntek.vn\/wp-content\/uploads\/2024\/12\/bien-tan-doc-lap-4-2.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-8022\" class=\"wp-caption-text\">Suitable target groups for residential solar power systems installation<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Long-Term_Benefits_and_Impact_on_Family_Lifestyle\"><\/span>Long-Term Benefits and Impact on Family Lifestyle<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In addition to saving electricity costs, solar power brings many other benefits:<\/p>\n<ul>\n<li><strong>Financial:<\/strong> After the payback period, your family can save from 1-3 million VND each month, depending on the system&#8217;s size.<\/li>\n<li><strong>Environmental:<\/strong> Using solar power helps reduce carbon emissions, protecting the planet for future generations.<\/li>\n<li><strong>Integration with the grid:<\/strong> Modern systems allow you to connect to the grid and sell excess electricity to the provider, creating an additional income source.<\/li>\n<li><strong>Positive impact on lifestyle:<\/strong> Using renewable energy encourages your family to adopt energy-saving habits and protect the environment, contributing to building a green community.<\/li>\n<\/ul>\n<p>If your family has stable electricity consumption, a roof suitable for installation, and you want to save costs in the long run, solar power is definitely a choice worth considering. Contact the<a href=\"https:\/\/www.facebook.com\/sntek\" target=\"_blank\" rel=\"nofollow noopener\"> SolarMax Fanpage<\/a> now for advice and installation of the most suitable solar power solutions for your family!<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQs\"><\/span>Frequently Asked Questions (FAQs)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Does solar power work at night?<\/strong><\/p>\n<p>No, but the system can store excess electricity in batteries or feed it into the grid for use when needed.<\/p>\n<p><strong>Is the system suitable for apartment buildings?<\/strong><\/p>\n<p>Solar power is usually more effective for detached houses, but apartment buildings can also apply it on a larger scale.<\/p>\n<p><strong>If there&#8217;s a power outage, will the system continue to work?<\/strong><\/p>\n<div class=\"flex max-w-full flex-col flex-grow\">\n<div class=\"min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+&amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"1b7322a2-6d2a-4a95-a57c-d91a93d8a3d8\" data-message-model-slug=\"gpt-4o-mini\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\">\n<div class=\"markdown prose w-full break-words dark:prose-invert dark\">\n<p>This depends on the type of system you use. A system with battery storage will operate independently even during a power outage.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Are you considering installing a residential solar power system? This is one of the sustainable solutions that helps save costs and protect the environment. However, not every household is suitable for solar power. So how can you determine if your home&#8230;<\/p>\n","protected":false},"author":3,"featured_media":8029,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"footnotes":""},"categories":[237,71,238],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/sntek.vn\/en\/wp-json\/wp\/v2\/posts\/8133"}],"collection":[{"href":"https:\/\/sntek.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sntek.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sntek.vn\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/sntek.vn\/en\/wp-json\/wp\/v2\/comments?post=8133"}],"version-history":[{"count":0,"href":"https:\/\/sntek.vn\/en\/wp-json\/wp\/v2\/posts\/8133\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sntek.vn\/en\/wp-json\/wp\/v2\/media\/8029"}],"wp:attachment":[{"href":"https:\/\/sntek.vn\/en\/wp-json\/wp\/v2\/media?parent=8133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sntek.vn\/en\/wp-json\/wp\/v2\/categories?post=8133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sntek.vn\/en\/wp-json\/wp\/v2\/tags?post=8133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}