{"id":13837,"date":"2026-04-14T16:52:51","date_gmt":"2026-04-14T14:52:51","guid":{"rendered":"https:\/\/pvprosolar.de\/?p=13837"},"modified":"2026-04-14T16:59:06","modified_gmt":"2026-04-14T14:59:06","slug":"buying-complete-solar-systems","status":"publish","type":"post","link":"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/","title":{"rendered":"Buying Complete Solar Systems \u2013 What Do You Really Need to Know?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-left 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=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#Why_should_you_buy_complete_solar_systems_and_what_defines_a_fully_integrated_PV_solution\" >Why should you buy complete solar systems, and what defines a fully integrated PV solution?<\/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=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#What_is_included_in_a_complete_solar_system\" >What is included in a complete solar system?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#Which_types_of_solar_modules_are_suitable_for_complete_PV_systems\" >Which types of solar modules are suitable for complete PV systems?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#When_is_a_solar_battery_storage_unit_useful_and_how_does_it_work\" >When is a solar battery storage unit useful, and how does it work?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#What_role_does_the_inverter_play_in_a_complete_solar_system\" >What role does the inverter play in a complete solar system?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#Which_roof_areas_are_best_suited_for_a_solar_system\" >Which roof areas are best suited for a solar system?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#How_do_you_calculate_the_ideal_size_of_a_complete_solar_system\" >How do you calculate the ideal size of a complete solar system?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#What_advantages_does_a_complete_solar_system_offer_compared_to_individual_solutions\" >What advantages does a complete solar system offer compared to individual solutions?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#How_is_a_complete_solar_system_installed\" >How is a complete solar system installed?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#What_mistakes_should_be_avoided_when_buying_a_complete_solar_system\" >What mistakes should be avoided when buying a complete solar system?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#What_documentation_do_you_receive_with_a_complete_solar_system\" >What documentation do you receive with a complete solar system?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#How_do_you_monitor_and_optimize_the_performance_of_a_complete_PV_system\" >How do you monitor and optimize the performance of a complete PV system?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#What_is_the_lifespan_of_a_complete_solar_system\" >What is the lifespan of a complete solar system?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#Is_a_complete_solar_system_worthwhile_even_without_battery_storage\" >Is a complete solar system worthwhile even without battery storage?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#How_can_a_solar_system_be_expanded_later\" >How can a solar system be expanded later?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#What_should_you_consider_when_choosing_a_battery_storage_system\" >What should you consider when choosing a battery storage system?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#Conclusion_%E2%80%93_When_is_it_worthwhile_to_buy_a_complete_solar_system\" >Conclusion \u2013 When is it worthwhile to buy a complete solar system?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#How_much_roof_space_do_I_need\" >How much roof space do I need?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#Can_I_install_a_PV_system_on_an_old_roof\" >Can I install a PV system on an old roof?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#How_long_does_the_payback_period_take\" >How long does the payback period take?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"#\" data-href=\"https:\/\/pvprosolar.de\/en\/buying-complete-solar-systems\/#Do_I_need_a_building_permit\" >Do I need a building permit?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>Purchasing a complete solar system is a crucial step for many homeowners and businesses on their path toward the energy transition and long-term energy independence. Yet despite growing interest, many people feel overwhelmed when entering the world of photovoltaics: What components do I need? How do I size the system correctly? Do I need a battery storage unit? Which mistakes should I avoid? And what does the process from planning to commissioning look like?<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_should_you_buy_complete_solar_systems_and_what_defines_a_fully_integrated_PV_solution\"><\/span>Why should you buy complete solar systems, and what defines a fully integrated PV solution?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Buying a <a href=\"https:\/\/pvprosolar.de\/en\/complete-solar-systems-are-they-the-solution-for-companies\/\">complete solar system<\/a> offers enormous advantages: All components are perfectly matched, efficiency increases, error rates decrease, and the installation process becomes much simpler. A full solution not only ensures reliable power generation but also drastically reduces long-term energy costs and increases property value.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_is_included_in_a_complete_solar_system\"><\/span>What is included in a complete solar system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A complete photovoltaic system consists of several precisely coordinated components that together form a functional energy system. These include <a href=\"https:\/\/pvprosolar.de\/en\/best-solar-panels\/\">solar modules<\/a>, the inverter, mounting structures, wiring, energy management, and optionally a battery storage unit. All these elements ensure that solar energy is reliably converted into usable electricity.<br \/>\nThe quality of each component significantly affects overall performance. Therefore, it is essential to rely on certified and proven solutions that guarantee high efficiency and long service life.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Which_types_of_solar_modules_are_suitable_for_complete_PV_systems\"><\/span>Which types of solar modules are suitable for complete PV systems?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Complete solar systems typically use monocrystalline modules, as they achieve higher efficiency than polycrystalline options. They perform well even in low-light conditions and require less roof space. Thin-film modules are used less frequently but can be suitable for specific roofs or large industrial areas.<br \/>\nEach module type has specific advantages that must be evaluated based on roof type, orientation, and energy goals. High-quality modules are crucial for the efficiency, lifespan, and return of the PV system.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"When_is_a_solar_battery_storage_unit_useful_and_how_does_it_work\"><\/span>When is a solar battery storage unit useful, and how does it work?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A battery storage system significantly increases the self-consumption rate by storing excess energy and making it available when needed. Households with high evening electricity usage benefit the most. The storage unit helps reduce grid feed-in and increases on-site consumption.<br \/>\nLithium-ion batteries dominate due to their long lifespan, high efficiency, and compact design. Anyone aiming for real energy independence will find that a storage unit is almost indispensable.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_role_does_the_inverter_play_in_a_complete_solar_system\"><\/span>What role does the inverter play in a complete solar system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The inverter is the heart of the system, converting generated direct current into standard household alternating current. Modern devices also handle energy management, module monitoring, and optimization of self-consumption.<br \/>\nChoosing the right inverter has a major impact on overall system performance. A high-quality model minimizes losses, reacts flexibly to shading, and ensures maximum yields for many years.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Which_roof_areas_are_best_suited_for_a_solar_system\"><\/span>Which roof areas are best suited for a solar system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ideal roofs have a south-facing orientation and a tilt between 25\u00b0 and 40\u00b0. However, modern systems can efficiently utilize east- and west-facing roofs as well. Even flat roofs can be optimized using special mounting structures.<br \/>\nThe crucial factor is keeping shading to a minimum. Even small amounts of shade from trees, chimneys, or nearby buildings can significantly reduce the performance of individual modules.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_do_you_calculate_the_ideal_size_of_a_complete_solar_system\"><\/span>How do you calculate the ideal size of a complete solar system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>System size depends on annual electricity consumption, roof space, and the desired level of self-sufficiency. Many households benefit from a PV output between 4 and 10 kWp, depending on lifestyle and consumption patterns.<br \/>\nThose who use an electric car or heat pump should strongly consider a larger PV system. A well-planned system meets the energy needs without unnecessary oversizing.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_advantages_does_a_complete_solar_system_offer_compared_to_individual_solutions\"><\/span>What advantages does a complete solar system offer compared to individual solutions?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The main advantage lies in system optimization: All components are compatible, perfectly matched, and therefore highly efficient. Installation errors are reduced, planning becomes easier, and maintenance is simplified.<br \/>\nComplete systems also allow better long-term scalability. Extensions, battery integration, or system upgrades are much easier to implement later.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_is_a_complete_solar_system_installed\"><\/span>How is a complete solar system installed?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The process begins with technical planning and a thorough roof analysis. This is followed by module installation, inverter setup, and connection to the home\u2019s electrical system. Final steps include system inspection, commissioning, and documentation.<br \/>\nFor an average single-family home, installation usually takes only a few days. Professional installation is essential to ensure output, safety, and long system life.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_mistakes_should_be_avoided_when_buying_a_complete_solar_system\"><\/span>What mistakes should be avoided when buying a complete solar system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Many buyers choose a system that is too small or too large because they misjudge consumption or roof capacity. Other mistakes include selecting poor-quality components, inadequate safety standards, or incorrect battery sizing.<br \/>\nLong-term planning is equally important: A PV system should not only cover current consumption but also consider future needs\u2014such as electric vehicles or electric heating systems.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_documentation_do_you_receive_with_a_complete_solar_system\"><\/span>What documentation do you receive with a complete solar system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Every system includes technical data sheets, installation manuals, warranty documents, and wiring diagrams. Modern systems also provide digital monitoring access for performance analysis.<br \/>\nThis documentation is essential for warranty claims, easier maintenance, and future upgrades such as adding a storage unit.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_do_you_monitor_and_optimize_the_performance_of_a_complete_PV_system\"><\/span>How do you monitor and optimize the performance of a complete PV system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Many inverters include smart monitoring apps. They display yields, energy flows, storage levels, and consumption patterns in real time, helping users detect issues quickly.<br \/>\nIntelligent energy management allows large electrical loads\u2014such as washing machines, heat pumps, or electric car chargers\u2014to operate automatically when solar production is high.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_is_the_lifespan_of_a_complete_solar_system\"><\/span>What is the lifespan of a complete solar system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>High-quality modules last 25\u201330 years or more. Inverters typically need replacement after 10\u201315 years, while storage units last 10\u201320 years depending on the technology.<br \/>\nRegular maintenance increases lifespan and ensures stable performance over decades.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_a_complete_solar_system_worthwhile_even_without_battery_storage\"><\/span>Is a complete solar system worthwhile even without battery storage?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes\u2014especially if electricity consumption occurs mainly during the day. Without a battery, the investment is lower while system yield remains significant.<br \/>\nA storage unit can always be added later, making the system flexible and future-proof.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_can_a_solar_system_be_expanded_later\"><\/span>How can a solar system be expanded later?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Many systems are modular and can easily be expanded with additional modules, battery storage, or a wallbox. A well-planned design and appropriately sized inverter are key.<br \/>\nBattery storage systems can also be added later as long as the interfaces and capacity limits allow it.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_should_you_consider_when_choosing_a_battery_storage_system\"><\/span>What should you consider when choosing a battery storage system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The storage unit should be neither too small nor too large. Too-small batteries add little value, while oversized ones operate inefficiently.<br \/>\nOther important factors include charge cycles, efficiency, safety technologies, and compatibility with the inverter.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Conclusion_%E2%80%93_When_is_it_worthwhile_to_buy_a_complete_solar_system\"><\/span>Conclusion \u2013 When is it worthwhile to buy a complete solar system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A complete solar system is worthwhile whenever you want to reduce energy costs long-term and become less dependent on the electricity market. Households with high consumption, electric mobility, or heat pumps benefit the most.<br \/>\nA well-planned PV system is a secure, sustainable, and future-ready investment that delivers stable yields for decades.<\/p>\n        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"How_much_roof_space_do_I_need\"><\/span>How much roof space do I need?<span class=\"ez-toc-section-end\"><\/span><\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tDepending on the module size, around 5\u20137 m\u00b2 per kWp.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Can_I_install_a_PV_system_on_an_old_roof\"><\/span>Can I install a PV system on an old roof?<span class=\"ez-toc-section-end\"><\/span><\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tYes, as long as the structural integrity is sufficient and the roofing is in good condition.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"How_long_does_the_payback_period_take\"><\/span>How long does the payback period take?<span class=\"ez-toc-section-end\"><\/span><\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tDue to rising electricity costs, systems pay off faster than before\u2014exact figures, however, depend on individual calculations.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Do_I_need_a_building_permit\"><\/span>Do I need a building permit?<span class=\"ez-toc-section-end\"><\/span><\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tRooftop systems are usually exempt. Protected buildings may require special approvals.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t\n<script type=\"application\/ld+json\">\n    {\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How much roof space do I need?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Depending on the module size, around 5\u20137 m\u00b2 per kWp.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Can I install a PV system on an old roof?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Yes, as long as the structural integrity is sufficient and the roofing is in good condition.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How long does the payback period take?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Due to rising electricity costs, systems pay off faster than before\u2014exact figures, however, depend on individual calculations.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Do I need a building permit?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Rooftop systems are usually exempt. Protected buildings may require special approvals.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t    ]\n}\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>Purchasing a complete solar system is a crucial step for many homeowners&#8230;<\/p>\n","protected":false},"author":18,"featured_media":13835,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""},"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[489],"tags":[],"class_list":["post-13837","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-costs-funding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Buying Complete Solar Systems \u2013 What Do You Really Need to Know? &#183; PVPro Solar \u2013 Dein Photovoltaikanbieter vor Ort in Hannover<\/title>\n<meta name=\"description\" content=\"Buying complete solar systems made easy: A comprehensive guide to components, planning, installation, advantages, storage solutions, dimensioning, and common mistakes. 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