{"id":3541,"date":"2026-10-09T05:47:25","date_gmt":"2026-10-08T21:47:25","guid":{"rendered":"http:\/\/www.contree-durban-corbieres.com\/blog\/?p=3541"},"modified":"2026-10-09T05:47:25","modified_gmt":"2026-10-08T21:47:25","slug":"are-there-obstruction-lights-for-solar-farms-4119-d42374","status":"publish","type":"post","link":"http:\/\/www.contree-durban-corbieres.com\/blog\/2026\/10\/09\/are-there-obstruction-lights-for-solar-farms-4119-d42374\/","title":{"rendered":"Are there Obstruction Lights for solar farms?"},"content":{"rendered":"

Hey everyone, let\u2019s cut to the chase\u2014if you\u2019re involved in solar farms, you\u2019ve probably had this question cross your mind at least once: do we actually need obstruction lights for solar farms? As someone who\u2019s been in the obstruction lights game for over 8 years (not some random new supplier who\u2019s just here to make a quick buck), I get it\u2014this isn\u2019t the sexiest part of building a solar farm, but it\u2019s one of the most important. Let me walk you through this, no jargon, no fluff, just what you actually need to know. Obstruction Lights<\/a><\/p>\n

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First off, let\u2019s debunk a big myth I hear all the time: \u201cSolar panels are low to the ground, right? Why would they need obstruction lights?\u201d Yeah, most arrays are mounted a few feet off the ground, but that\u2019s not the whole story. Think about it\u2014utility-scale solar farms can span hundreds of acres. Stretching for miles, that\u2019s a big, stationary object that can be a hazard for low-flying aircraft, helicopters, drones, even construction or agricultural planes that might be working nearby. And if your farm is near an airport, helicopter route, or helipad? Suddenly that \u201csmall ground array\u201d is a potential crash risk if pilots can\u2019t see it clearly.<\/p>\n

Here\u2019s the thing: obstruction lights aren\u2019t just for big towers or power lines. The FAA (yes, the Federal Aviation Administration in the US, but this applies to aviation authorities in most countries) has specific rules for any structure that\u2019s taller than 200 feet, wait\u2014hold on, don\u2019t zone out, because there\u2019s a twist for solar farms. Wait, no, actually, it depends on two main things: how big your solar farm is, and where it\u2019s located. I\u2019ve had clients come to me panicking because they thought a 100-acre farm needed lights, and others who thought they didn\u2019t, only to find out they did because they were 3 miles from a small regional airport. That\u2019s the messy part\u2014this isn\u2019t one-size-fits-all, but there\u2019s a method to the madness.<\/p>\n

Let\u2019s get into the real-world scenarios I\u2019ve seen over the years. Last year, I worked with a solar developer in Iowa who put up a 120 MW farm about 2 miles from a small municipal airport. They skipped the lights initially because they thought the panels were too low, but a local pilot flagged it\u2014turns out, the FAA requires marking any stationary object that could be a hazard for low-altitude flight paths, especially when visibility is low (fog, dusk, night). They ended up having to install medium-intensity obstruction lights along the edges of their array, and guess what? It saved them a big fine. The FAA doesn\u2019t play around with this\u2014fines for not complying can go up to thousands of dollars, and worse, if there\u2019s a incident, you\u2019re on the hook for way more.<\/p>\n

Another case: a utility-scale farm in Texas, super remote, no airports within 10 miles, just open plains. They asked me if they needed lights. I told them, probably not, but wait\u2014what about wind turbines nearby? No, this is solar. Wait, actually, some state environmental or aviation bodies might have their own rules too, but in that remote spot, they were good without permanent obstruction lights. But here\u2019s a hack I give clients in those cases: if you ever add more panels, or if a new road or helipad gets built nearby, you\u2019ll need to adjust. So even if you don\u2019t need lights now, it\u2019s worth thinking about future expansion when planning your layout.<\/p>\n

Now, let\u2019s talk about the types of lights we supply, because that\u2019s where my expertise comes in, and I\u2019m not here to push the most expensive thing\u2014just the right thing for your farm. There are three main types, and picking the wrong one can be a waste of money, or worse, not compliant.<\/p>\n

First, low-intensity obstruction lights. These are for structures under 200 feet, and for areas that aren\u2019t near busy flight paths. They\u2019re usually red, and they flash slowly\u2014like once every two seconds. Most remote solar farms use these, because they\u2019re cheaper, use less power, and don\u2019t light up the whole night sky (which is a big plus if you\u2019re worried about light pollution\u2014another thing I hear clients bring up). Wait, yeah, light pollution is a real concern for some solar farm locations, especially if they\u2019re near residential areas. Low-intensity lights are way less obtrusive than the higher ones, so that\u2019s a win-win.<\/p>\n

Second, medium-intensity lights. These are for when your farm is near flight paths, or if parts of the array are taller than 200 feet (wait, some solar panel mount systems with tracking systems can get up to 30 feet\u2014oh, right, I forgot about trackers! The tall, rotating poles for solar trackers can add height, and if they\u2019re grouped together, that whole cluster counts as a single obstruction. So a cluster of trackers could reach that 200-foot threshold if they\u2019re aligned right, which would trigger medium-intensity lights. These lights are usually white, and flash faster\u2014once per second. They\u2019re brighter, so pilots can see them from further away, which is exactly what you need near airports.<\/p>\n

Third, high-intensity lights. These are for structures over 500 feet, but I\u2019ve never seen a solar farm that tall. The only time I\u2019d recommend these is if you\u2019re next to a major commercial airport, like near O\u2019Hare or LAX, but that\u2019s super rare for most solar projects. So for 90% of the solar farms I work with, it\u2019s low or medium intensity.<\/p>\n

Wait, another big question: do solar obstruction lights need to be solar-powered? That makes sense, right? The farm is all about renewable energy, so why not power the lights with the same solar array? But hold on\u2014because obstruction lights need to work 24\/7, no matter if the sun is shining or not. So most of the lights I supply for solar farms have built-in batteries, or they can be tied into the farm\u2019s grid with a backup power source. Some low-intensity models even have their own small solar panels to charge the battery, which cuts down on wiring costs. That\u2019s a big selling point for clients who don\u2019t want to run long electrical lines across their farm.<\/p>\n

Let me address some of the pushback I get from clients who say, \u201cThis is unnecessary, it\u2019s just solar panels.\u201d I get it\u2014no one wants to add extra costs to a project that\u2019s already tight on budgets. But here\u2019s the thing: aviation safety isn\u2019t something to gamble with. I had a client in Florida who almost got sued because a drone crashed into their solar farm at night. The pilot couldn\u2019t see the array because there were no lights, and even though it was a drone, the FAA was called in, and they made the client install lights. That was a $50k headache they could\u2019ve avoided for a fraction of the cost. So lighting isn\u2019t just a regulatory thing\u2014it\u2019s a liability thing, and a safety thing.<\/p>\n

Also, let\u2019s talk about maintenance. No one wants to climb all over their solar farm to fix lights, right? The lights I supply are LED, which last 10+ years, so you don\u2019t have to replace them every few months. They\u2019re also weather-resistant\u2014we\u2019re talking rain, snow, extreme heat, the whole shebang. I\u2019ve had lights still working after a hurricane in the Gulf Coast, which is a testament to how solid they are. And most models come with remote monitoring, so you can check if a light is working from your office, no need to send a crew out to inspect every single one. That saves time and money, which is huge for big farms.<\/p>\n

Wait, what about small solar farms? Like, the residential ones or the 5 MW community farms? Do they need lights? For the most part, no\u2014because they\u2019re too small, not near flight paths. But I had a small community farm in New Jersey that was next to a police helicopter landing pad, and the county required them to put up two small low-intensity lights on the edge. It was a quick, cheap install, and it kept them in compliance. So even small projects can have requirements, depending on their location.<\/p>\n

Another common mistake: installing the wrong number of lights. It\u2019s not just putting one light on the corner of the farm\u2014aviation rules usually require lights spaced every so many feet along the edges, and maybe even in the middle if the farm is really big. For example, a 100-acre farm might need lights every 500 feet along the perimeter, and every 1,000 feet in the interior if it\u2019s super long. I help clients map out exactly where to place them based on FAA rules, so they don\u2019t overbuy or underbuy. That\u2019s part of the service I provide, not just selling lights\u2014walking them through the regulations, because rules change sometimes, and I stay on top of that.<\/p>\n

Let me also touch on the \u201cgreen angle\u201d I mentioned earlier. A lot of solar farm operators care about their environmental footprint, and they don\u2019t want their obstruction lights to add to light pollution. The low-intensity red lights I supply are dark-sky compliant, meaning they don\u2019t wash out the stars, and they don\u2019t bother local wildlife\u2014like birds, which are another big concern for solar farms. Wait, birds! A lot of people forget that solar farms can be a hazard for birds too, but proper obstruction lights (not too bright, not flashing too much) actually help birds avoid the array, which is a bonus. So it\u2019s not just planes\u2014birds benefit from the lights too.<\/p>\n

Now, let\u2019s get real about cost. No one wants to hear this, but obstruction lights aren\u2019t free. But compared to the fines, lawsuits, or operational headaches you can get from not having them, they\u2019re a drop in the bucket. A single low-intensity light costs like a few hundred dollars, and installing it is easy. Medium-intensity is a bit more, but still way cheaper than the alternative. And since they last so long, it\u2019s a one-time cost (plus minimal maintenance) that pays for itself in peace of mind.<\/p>\n

I\u2019ve been doing this long enough that I\u2019ve seen clients regret skipping lights, and clients who did it early and avoided problems. Last year, a developer came to me after their 200 MW farm was built, and the FAA sent them a notice saying they needed to install medium-intensity lights along the north edge because it was near a flight corridor. They ended up paying twice as much for rush install and having to shut down part of the farm for a week to do it. That\u2019s the kind of mistake I help people avoid by planning ahead.<\/p>\n

So, to circle back to the original question: Are there obstruction lights for solar farms? Hell yeah, and they\u2019re specifically designed for solar farms\u2014low-power, weather-resistant, compliance-focused, and even light-pollution-friendly. The answer isn\u2019t a yes or no; it\u2019s \u201cit depends on where your farm is, how big it is, and what aviation rules apply to your area.\u201d But the key takeaway is: don\u2019t assume you don\u2019t need them. Do your research, check with your local aviation authority, and if you\u2019re unsure, reach out to someone who knows this space (shoutout to me, for the plug, but I\u2019m not just saying that\u2014because I\u2019ve dealt with this a hundred times).<\/p>\n

At the end of the day, solar farms are all about sustainability and responsibility. Part of that responsibility is making sure they don\u2019t become a hazard for anyone or anything around them. Obstruction lights aren\u2019t just a regulatory box to tick\u2014they\u2019re a way to operate your farm safely, avoid costly mistakes, and be a good neighbor in the community.<\/p>\n

<\/p>\n

If you\u2019re planning a solar farm, or you have one and you\u2019re wondering if you need obstruction lights, hit me up. I can walk you through the rules in your area, help you figure out what type of lights you need, and give you a quote that fits your budget. No pressure, no sales pitch that makes you regret calling\u2014just straight talk from someone who\u2019s been in this game for years and wants to help you do this right.<\/p>\n

Airport Gate Signs<\/a> References: Federal Aviation Administration. (2023). Obstruction Marking and Lighting; Global Wind Energy Council. (2022). Aviation Safety and Renewable Energy Infrastructure; International Dark-Sky Association. (2021). Dark-Sky Compliant Lighting Guidelines for Renewable Energy Sites.<\/p>\n

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Wuhu Qiahao Metal Products Co., Ltd.<\/a>
As one of the most professional obstruction lights manufacturers and suppliers in China, we warmly welcome you to buy premium obstruction lights made in China here from our factory. All customized products are with high quality and competitive price. Contact us for pricelist.
Address: Building 5, No. 3 Yongtai Road, Wanzhi District, Wuhu City, Anhui Province, China
E-mail: 290418907@qq.com
WebSite: https:\/\/www.qiahaometal.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Hey everyone, let\u2019s cut to the chase\u2014if you\u2019re involved in solar farms, you\u2019ve probably had this … Are there Obstruction Lights for solar farms?<\/span>Read more<\/a><\/p>\n","protected":false},"author":37,"featured_media":3541,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3504],"class_list":["post-3541","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-obstruction-lights-4bba-d45f0f"],"_links":{"self":[{"href":"http:\/\/www.contree-durban-corbieres.com\/blog\/wp-json\/wp\/v2\/posts\/3541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.contree-durban-corbieres.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.contree-durban-corbieres.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.contree-durban-corbieres.com\/blog\/wp-json\/wp\/v2\/users\/37"}],"replies":[{"embeddable":true,"href":"http:\/\/www.contree-durban-corbieres.com\/blog\/wp-json\/wp\/v2\/comments?post=3541"}],"version-history":[{"count":0,"href":"http:\/\/www.contree-durban-corbieres.com\/blog\/wp-json\/wp\/v2\/posts\/3541\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.contree-durban-corbieres.com\/blog\/wp-json\/wp\/v2\/posts\/3541"}],"wp:attachment":[{"href":"http:\/\/www.contree-durban-corbieres.com\/blog\/wp-json\/wp\/v2\/media?parent=3541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.contree-durban-corbieres.com\/blog\/wp-json\/wp\/v2\/categories?post=3541"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.contree-durban-corbieres.com\/blog\/wp-json\/wp\/v2\/tags?post=3541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}