{"id":2364,"date":"2026-01-14T11:13:53","date_gmt":"2026-01-14T11:13:53","guid":{"rendered":"https:\/\/wiki.solars.co.za\/?page_id=2364"},"modified":"2026-07-14T15:52:21","modified_gmt":"2026-07-14T13:52:21","slug":"solar-panel-array-sizing-guide","status":"publish","type":"page","link":"https:\/\/wiki.solars.co.za\/?page_id=2364","title":{"rendered":"Solar Panel Array Sizing Guide"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2364\" class=\"elementor elementor-2364\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-720f313 e-flex e-con-boxed e-con e-parent\" data-id=\"720f313\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c4b3fed elementor-widget elementor-widget-heading\" data-id=\"c4b3fed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sizing a Solar Panel Array<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c872ba0 elementor-widget elementor-widget-image\" data-id=\"c872ba0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-21-1024x576.png\" class=\"attachment-large size-large wp-image-2401\" alt=\"\" srcset=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-21-1024x576.png 1024w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-21-300x169.png 300w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-21-768x432.png 768w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-21-1536x864.png 1536w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-21.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bfb9501 elementor-widget elementor-widget-text-editor\" data-id=\"bfb9501\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"77\" data-end=\"234\">South Africa has excellent sunshine levels, making it an ideal environment for Solar Power systems and a strong alternative to traditional energy sources.<\/p><p data-start=\"236\" data-end=\"342\">Correctly sizing your solar panel array is a crucial step in designing an efficient solar power setup.<\/p><p data-start=\"344\" data-end=\"449\">You may already know which inverter you want, but how do you determine the right number of solar panels?<\/p><p data-start=\"451\" data-end=\"495\">Fortunately, the process is straightforward.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cd295b0 e-flex e-con-boxed e-con e-parent\" data-id=\"cd295b0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8b5ec2d e-con-full e-flex e-con e-child\" data-id=\"8b5ec2d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c473ad8 elementor-widget elementor-widget-text-editor\" data-id=\"c473ad8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Section 1<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e60c775 elementor-widget elementor-widget-heading\" data-id=\"e60c775\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Solar panel Array<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d403b5e elementor-widget elementor-widget-text-editor\" data-id=\"d403b5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #404040; font-family: Lato, 'Helvetica Neue', Helvetica, sans-serif;\">The fundamentals<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e908cfb elementor-widget elementor-widget-text-editor\" data-id=\"e908cfb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"95\" data-end=\"186\">Your inverter plays a key role in determining how your solar panel array should be sized.<\/p><p data-start=\"188\" data-end=\"275\">Before we get into the technical details, it helps to first cover a few basic concepts.<\/p><p data-start=\"277\" data-end=\"417\">If you\u2019re not very confident with electrical terms (I wasn\u2019t at first either), this introduction will make things much easier to understand.<\/p><p data-start=\"419\" data-end=\"484\" data-is-last-node=\"\" data-is-only-node=\"\">This section is designed specifically for beginners.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16b5ae5 elementor-widget elementor-widget-heading\" data-id=\"16b5ae5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Key Features<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-09ca3be e-grid e-con-full e-con e-child\" data-id=\"09ca3be\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d54f739 e-con-full e-flex e-con e-child\" data-id=\"d54f739\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-29f5c7e elementor-widget elementor-widget-heading\" data-id=\"29f5c7e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">MPPT<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e27f0c elementor-widget elementor-widget-text-editor\" data-id=\"9e27f0c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"89\" data-end=\"474\">A MPPT monitors the voltage coming from your solar panel array and ensures the system produces <strong data-start=\"237\" data-end=\"264\">maximum possible energy<\/strong> at all times.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6332f1a elementor-widget elementor-widget-image\" data-id=\"6332f1a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-9-1024x576.png\" class=\"attachment-large size-large wp-image-2372\" alt=\"\" srcset=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-9-1024x576.png 1024w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-9-300x169.png 300w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-9-768x432.png 768w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-9-1536x864.png 1536w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-9.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c351657 e-con-full e-flex e-con e-child\" data-id=\"c351657\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-243cb7f elementor-widget elementor-widget-heading\" data-id=\"243cb7f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Watts<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c0cf4e0 elementor-widget elementor-widget-text-editor\" data-id=\"c0cf4e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"911\" data-end=\"1220\">Wattage measures how much electricity is being produced or consumed. ( a measurement of electricity)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d96b6e7 elementor-widget elementor-widget-image\" data-id=\"d96b6e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-13-1024x576.png\" class=\"attachment-large size-large wp-image-2376\" alt=\"\" srcset=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-13-1024x576.png 1024w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-13-300x169.png 300w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-13-768x432.png 768w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-13-1536x864.png 1536w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-13.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cfd9af0 e-con-full e-flex e-con e-child\" data-id=\"cfd9af0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aa6a8b3 elementor-widget elementor-widget-heading\" data-id=\"aa6a8b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Volts<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44e9004 elementor-widget elementor-widget-text-editor\" data-id=\"44e9004\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"911\" data-end=\"1220\">Voltage measures the speed or pressure of electricity flowing through a circuit. (rate at which electricity travels)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab42d88 elementor-widget elementor-widget-image\" data-id=\"ab42d88\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-14-1024x576.png\" class=\"attachment-large size-large wp-image-2377\" alt=\"\" srcset=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-14-1024x576.png 1024w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-14-300x169.png 300w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-14-768x432.png 768w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-14-1536x864.png 1536w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-14.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1bcf79c e-con-full e-flex e-con e-child\" data-id=\"1bcf79c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dc58c74 elementor-widget elementor-widget-heading\" data-id=\"dc58c74\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">PV Array<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcd9aef elementor-widget elementor-widget-text-editor\" data-id=\"bcd9aef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"911\" data-end=\"1220\">This is your complete solar panel setup that captures sunlight and converts it into electricity.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0398d8c elementor-widget elementor-widget-image\" data-id=\"0398d8c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-10-1024x576.png\" class=\"attachment-large size-large wp-image-2373\" alt=\"\" srcset=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-10-1024x576.png 1024w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-10-300x169.png 300w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-10-768x432.png 768w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-10-1536x864.png 1536w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-10.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ac9d642 e-con-full e-flex e-con e-child\" data-id=\"ac9d642\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-12f3597 elementor-widget elementor-widget-heading\" data-id=\"12f3597\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">PV String<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2757ad3 elementor-widget elementor-widget-text-editor\" data-id=\"2757ad3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"911\" data-end=\"1220\">A PV string is a group of solar panels connected in series where the combined voltage stays within the inverter\u2019s MPPT range.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f1902d elementor-widget elementor-widget-image\" data-id=\"5f1902d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-11-1024x576.png\" class=\"attachment-large size-large wp-image-2374\" alt=\"\" srcset=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-11-1024x576.png 1024w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-11-300x169.png 300w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-11-768x432.png 768w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-11-1536x864.png 1536w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-11.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5fa1640 e-con-full e-flex e-con e-child\" data-id=\"5fa1640\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34f035f elementor-widget elementor-widget-heading\" data-id=\"34f035f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Parallel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee7bdd0 elementor-widget elementor-widget-text-editor\" data-id=\"ee7bdd0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"854\" data-end=\"954\">Connecting panels in parallel increases the current (amps) while keeping the voltage the same.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efc8766 elementor-widget elementor-widget-image\" data-id=\"efc8766\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-15-1024x576.png\" class=\"attachment-large size-large wp-image-2378\" alt=\"\" srcset=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-15-1024x576.png 1024w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-15-300x169.png 300w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-15-768x432.png 768w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-15-1536x864.png 1536w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-15.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0ce7747 e-con-full e-flex e-con e-child\" data-id=\"0ce7747\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-967f61e elementor-widget elementor-widget-heading\" data-id=\"967f61e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Series<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-641f9bf elementor-widget elementor-widget-text-editor\" data-id=\"641f9bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"911\" data-end=\"1220\">Connecting panels in series increases the voltage while the current (amps) stays the same.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-875e90e elementor-widget elementor-widget-image\" data-id=\"875e90e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-17-1024x576.png\" class=\"attachment-large size-large wp-image-2380\" alt=\"\" srcset=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-17-1024x576.png 1024w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-17-300x169.png 300w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-17-768x432.png 768w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-17-1536x864.png 1536w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-17.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\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>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-afac65f e-flex e-con-boxed e-con e-parent\" data-id=\"afac65f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-67b9fc0 e-con-full e-flex e-con e-child\" data-id=\"67b9fc0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-628af82 elementor-widget elementor-widget-text-editor\" data-id=\"628af82\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Section 2<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b5af576 elementor-widget elementor-widget-heading\" data-id=\"b5af576\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sizing a Solar Panel Array<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-007f5fa elementor-widget elementor-widget-text-editor\" data-id=\"007f5fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The Fundamentals<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e28bfaa elementor-widget elementor-widget-text-editor\" data-id=\"e28bfaa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Let\u2019s take a closer look at how to size a solar panel array using your inverter\u2019s solar charger specifications.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c381528 e-con-full e-grid e-con e-child\" data-id=\"c381528\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-d0480b5 e-con-full e-flex e-con e-child\" data-id=\"d0480b5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1fc65e3 elementor-widget elementor-widget-heading\" data-id=\"1fc65e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">STEP 1 <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c64b523 elementor-widget elementor-widget-text-editor\" data-id=\"c64b523\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"89\" data-end=\"474\">Locate both the inverter datasheet and the solar panel datasheet.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5595da5 e-con-full e-flex e-con e-child\" data-id=\"5595da5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-102aa6e elementor-align-center elementor-widget elementor-widget-button\" data-id=\"102aa6e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/wiki.solars.co.za\/?page_id=2154\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Datasheets<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-87736b2 e-con-full e-flex e-con e-child\" data-id=\"87736b2\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-44b26d4 elementor-widget elementor-widget-heading\" data-id=\"44b26d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">STEP 2<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb26067 elementor-widget elementor-widget-text-editor\" data-id=\"fb26067\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"89\" data-end=\"474\">On the inverter datasheet, find the values for Maximum PV Input and MPPT Voltage Range.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-982e907 e-con-full e-flex e-con e-child\" data-id=\"982e907\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7e5b4bd elementor-widget elementor-widget-heading\" data-id=\"7e5b4bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">STEP 3<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58d6997 elementor-widget elementor-widget-text-editor\" data-id=\"58d6997\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"89\" data-end=\"474\">On the solar panel datasheet, find the Maximum Power (W) rating and the Open-Circuit Voltage (Voc).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d5a0824 e-con-full e-flex e-con e-child\" data-id=\"d5a0824\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3f7a4b6 elementor-widget elementor-widget-heading\" data-id=\"3f7a4b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">STEP 4<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc9b14a elementor-widget elementor-widget-text-editor\" data-id=\"bc9b14a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"89\" data-end=\"474\">Use these values to size your PV array as shown below.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc27067 elementor-widget elementor-widget-image\" data-id=\"bc27067\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-19-768x432.png\" class=\"attachment-medium_large size-medium_large wp-image-2392\" alt=\"\" srcset=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-19-768x432.png 768w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-19-300x169.png 300w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-19-1024x576.png 1024w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-19-1536x864.png 1536w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-19.png 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d0bb17f elementor-widget elementor-widget-heading\" data-id=\"d0bb17f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Calculating Panels per String<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23f79ea elementor-widget elementor-widget-text-editor\" data-id=\"23f79ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The final step is to determine <strong data-start=\"163\" data-end=\"224\">how many solar panels can be connected in a single string<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c3824cd elementor-widget elementor-widget-text-editor\" data-id=\"c3824cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"227\" data-end=\"389\">To do this, check the <strong data-start=\"249\" data-end=\"279\">maximum MPPT voltage range<\/strong> on your inverter datasheet. Then divide this value by the <strong data-start=\"338\" data-end=\"369\">maximum power voltage (Vmp)<\/strong> of the solar panel.<\/p><p data-start=\"391\" data-end=\"461\">This calculation will tell you how many panels are allowed per string.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9c21a4 elementor-widget elementor-widget-image\" data-id=\"f9c21a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-20-768x432.png\" class=\"attachment-medium_large size-medium_large wp-image-2394\" alt=\"\" srcset=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-20-768x432.png 768w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-20-300x169.png 300w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-20-1024x576.png 1024w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-20-1536x864.png 1536w, https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-20.png 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ce69a76 e-flex e-con-boxed e-con e-parent\" data-id=\"ce69a76\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bd01098 elementor-widget elementor-widget-heading\" data-id=\"bd01098\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Learn More About Solar Panels<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9641402 elementor-widget elementor-widget-text-editor\" data-id=\"9641402\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"77\" data-end=\"234\">Explore our Solar Panel Guide for a complete breakdown of how solar panels work and how to choose the right ones.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51e0f38 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"51e0f38\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/wiki.solars.co.za\/?page_id=2398\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn More<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Sizing a Solar Panel Array South Africa has excellent sunshine levels, making it an ideal environment for Solar Power systems and a strong alternative to traditional energy sources. Correctly sizing your solar panel array is a crucial step in designing an efficient solar power setup. You may already know which inverter you want, but how [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2364","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Solar Panel Array Sizing Guide - Central Solar Wiki<\/title>\n<meta name=\"description\" content=\"Learn how to size a solar panel array correctly with our practical guide covering system requirements, energy needs, and optimal performance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wiki.solars.co.za\/?page_id=2364\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Solar Panel Array Sizing Guide - Central Solar Wiki\" \/>\n<meta property=\"og:description\" content=\"Learn how to size a solar panel array correctly with our practical guide covering system requirements, energy needs, and optimal performance.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/wiki.solars.co.za\/?page_id=2364\" \/>\n<meta property=\"og:site_name\" content=\"Central Solar Wiki\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-14T13:52:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/wiki.solars.co.za\/wp-content\/uploads\/2026\/01\/Welcome-to-Central-Solar-Supplies-21-1024x576.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/wiki.solars.co.za\\\/?page_id=2364\",\"url\":\"https:\\\/\\\/wiki.solars.co.za\\\/?page_id=2364\",\"name\":\"Solar Panel Array Sizing Guide - 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