{"id":17803,"date":"2026-02-19T09:50:48","date_gmt":"2026-02-19T14:50:48","guid":{"rendered":"https:\/\/www.ecoportal.net\/en\/?p=17803"},"modified":"2026-02-19T09:50:02","modified_gmt":"2026-02-19T14:50:02","slug":"solar-panel-owner-experts-raindrop","status":"publish","type":"post","link":"https:\/\/www.ecoportal.net\/en\/solar-panel-owner-experts-raindrop\/17803\/","title":{"rendered":"Every solar panel owner wants this \u2014 Experts develop a film that generates power with every raindrop"},"content":{"rendered":"<div class=\"flex flex-col text-sm pb-25\">\n<article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"request-698b256b-69fc-8388-905b-e8c201d1ac12-12\" data-testid=\"conversation-turn-114\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\">\n<div class=\"flex max-w-full flex-col grow\">\n<div dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"ec7d9088-0acc-402d-9232-b551394e67e5\" data-message-model-slug=\"gpt-5-2\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\">\n<div class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\">\n<p><span style=\"font-weight: 400;\">When the sun is shining, you depend on solar panels to function. But <\/span><i><span style=\"font-weight: 400;\">when the clouds move in<\/span><\/i><span style=\"font-weight: 400;\">, what happens?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For rooftop systems, rain typically means less power. However, scientists now view downpours as <\/span><b>opportunities rather than losses.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">There is kinetic energy in every drop of rain.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">New materials are being developed to generate electricity from those microscopic impacts. If they are successful, <strong>rainy days could <\/strong><\/span><strong><i>become a bonus <\/i><\/strong><span style=\"font-weight: 400;\">rather than a weakness.<\/span><\/p>\n<h2>Even solar panels have an Achilles&#8217; heel<\/h2>\n<p><span style=\"font-weight: 400;\">There are drawbacks to even the most sophisticated rooftop solar system.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">As costs have decreased and installations continue to rise, solar panels have emerged as the <\/span><b>preferred option for homeowners<\/b><span style=\"font-weight: 400;\"> looking to reduce utility costs and power their homes with clean energy. However, they are not flawless sunshine machines.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">First of all, they only generate power<strong> when the sun is shining<\/strong>; night and overcast days still leave gaps that batteries must fill. And that\u2019s just the start.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Over time, panels <\/span><i><span style=\"font-weight: 400;\">may become less effective<\/span><\/i><span style=\"font-weight: 400;\">, particularly if dust, debris, or shade prevent light from reaching the cells.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Wiring problems or premature deterioration can also result from poor installation or inferior materials.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Furthermore, <\/span><b>not all roofs are perfect<\/b><span style=\"font-weight: 400;\">; <\/span><a href=\"https:\/\/www.ecoportal.net\/en\/what-really-happens-solar-panels-rain\/17160\/\"><span style=\"font-weight: 400;\">panels may not function as well<\/span><\/a><span style=\"font-weight: 400;\"> as you would like if there are strange angles or excessive shade.<\/span><\/p>\n<h2>Every time it rains, we waste energy that could power a city<\/h2>\n<p><span style=\"font-weight: 400;\">When rain falls on your windows, <strong>it sounds serene<\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">However, to scientists, each and every drop of rain is a<\/span><i><span style=\"font-weight: 400;\"> source of unrealized potential<\/span><\/i><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For years, people have dreamed of using rain to generate electricity, and with good reason\u2014rain always falls everywhere and carries mechanical energy with it as it flows and splashes. Although large rivers and waterfalls are already used by hydroelectric plants to turn turbines, it has always been much more difficult to capture energy directly from falling rain.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Why? Because it&#8217;s surprisingly <\/span><b>difficult to turn tiny droplets into power <\/b><span style=\"font-weight: 400;\">that can be used. Only very small amounts of electricity could be produced by early systems, sufficient to run distant sensors but insufficient to power a house or a city.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">There <\/span><i><span style=\"font-weight: 400;\">have<\/span><\/i><span style=\"font-weight: 400;\"> been clever experiments, though \u2014 like raindrops moving through tubes to light LEDs, or water-integrated floating devices that turn impacts into electrical pulses to power small systems.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">But if water could be <\/span><a href=\"https:\/\/www.ecoportal.net\/en\/glowing-liquid-metal-turns-energy\/17712\/\"><span style=\"font-weight: 400;\">turned into reliable energy<\/span><\/a><span style=\"font-weight: 400;\">\u2026 what would that do to the <\/span><b>future of power<\/b><span style=\"font-weight: 400;\">?<\/span><\/p>\n<h2>A fabric that produces energy every time a drop of water falls&nbsp;<\/h2>\n<p><span style=\"font-weight: 400;\">Imagine transforming each and every raindrop into a tiny electrical spark using your umbrella, tent, or raincoat.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This isn&#8217;t science fiction; scientists from all over the world are currently investigating methods to capture energy from rain as well as sunshine. Triboelectric nanogenerators (TENGs), which are materials and textiles that produce electricity when a water droplet strikes or separates from their surface, are among the <\/span><i><span style=\"font-weight: 400;\">most intriguing strategies.<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\">These gadgets have the ability to directly transform the kinetic energy of falling drops into electrical pulses.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Researchers have already shown prototype fabrics and surfaces that, when struck by rain, produce a charge exchange, effectively converting every drop of rain into a <\/span><b>micro-power source<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Rainy days could actually generate usable electricity rather than merely reducing solar output because, despite the small power of a single drop, the cumulative effect of millions of raindrops over time is significant.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Researchers from the Consejo Superior de Investigaciones Cient\u00edficas (CSIC) and affiliated institutions in Spain are exploring materials inspired by nature that can <strong>achieve this in real-world settings<\/strong>, such as surfaces that<\/span><i><span style=\"font-weight: 400;\"> repel water but use clever nano-engineering<\/span><\/i><span style=\"font-weight: 400;\"> to harvest its energy.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In addition to producing electricity from rain, preliminary research suggests that textiles and surfaces <strong>may one day be integrated into infrastructure<\/strong>, clothing, or shelters to power sensors or tiny electronics.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The next time it rains, your <\/span><i><span style=\"font-weight: 400;\">clothing <\/span><\/i><span style=\"font-weight: 400;\">may begin to <\/span><a href=\"https:\/\/www.ecoportal.net\/en\/solar-module-turns-rain-to-electricity\/14215\/\"><span style=\"font-weight: 400;\">generate energy drop by drop<\/span><\/a><span style=\"font-weight: 400;\"> in addition to keeping you dry.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>When the sun is shining, you depend on solar panels to function. But when the clouds move in, what happens? For rooftop systems, rain typically means less power. However, scientists now view downpours as opportunities rather than losses. There is kinetic energy in every drop of rain. New materials are being developed to generate electricity &#8230; <a title=\"Every solar panel owner wants this \u2014 Experts develop a film that generates power with every raindrop\" class=\"read-more\" href=\"https:\/\/www.ecoportal.net\/en\/solar-panel-owner-experts-raindrop\/17803\/\" aria-label=\"Read more about Every solar panel owner wants this \u2014 Experts develop a film that generates power with every raindrop\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":17827,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_focus_keyword":"solar panel","rank_math_title":"","rank_math_description":"","footnotes":""},"categories":[8],"tags":[],"class_list":["post-17803","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energy"],"_links":{"self":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/posts\/17803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/comments?post=17803"}],"version-history":[{"count":0,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/posts\/17803\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/media\/17827"}],"wp:attachment":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/media?parent=17803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/categories?post=17803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/tags?post=17803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}