tesla solar panels

Tesla solar panels: the complete overview

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Tesla’s plans to make solar panels have been known for years. The company is constructing a factory in Buffalo, NY, specifically to produce Tesla solar panels and the Tesla Solar Roof, but until recently not much more was known about their plans.

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Tesla solar panels: what you need to know

In addition to their various electric car models, Tesla offers solar panels for installation on your property. The company offers solar installations of their low-profile panel option in sizes ranging from 4 kilowatts (kW) to 16 kW, in increments of 4 kW. That comes out to between 12 solar panels and 48 solar panels, in increments of 12 panels. Going through the solar panel buying process on Tesla’s website, you’ll also encounter a recommended number of Tesla Powerwalls to add to your solar installation.

Technical specifications of Tesla’s solar panels

You can head to Tesla’s website to see some specific metrics about their panels. According to Tesla, they are offering 340-watt solar panels backed by a 25 year performance guarantee. However, it’s still unclear if these panels are the only ones being installed by Tesla’s solar installer network.

Tesla solar prices decline to near (or past) the national average

Recently, Tesla announced a new price cut and philosophy in its solar panel business. Sanjay Shah, Tesla’s head of solar, said that the reason they were able to reduce pricing is in their new methodology, which includes standardized system prices and having homeowners photograph and upload images of their electric meters, breaker boxes, and other equipment to reduce the need for individual site visits. “We spent hours and hours and days and days on the process,” he said. “It adds cost. It adds time. We needed to have a very streamlined process.”

What to Tesla’s new prices look like? Check out our table below to see what solar energy systems offered by Tesla will cost:

Tesla solar panel system prices

System size (kW)Tesla solar panels cost (before incentives)Cost per watt ($/W)
4 kW$8,200$2.04
8 kW$16,400$2.01
12 kW$24,600$2.01
16 kW$32,800$2.01

NOTE: these prices are from the Tesla website and are for solar energy systems in California. Pricing varies by state.

The above table does NOT include the federal investment tax credit (ITC) that can lower the cost of installing solar by 26 percent. Here are the numbers you can expect with the tax credit factored in:

Tesla solar panel system prices post-ITC

System size (kW)Tesla solar panels cost (after incentives)
4 kW$6,068
8 kW$12,136
12 kW$18,204
16 kW$24,272

A recent history of Tesla’s solar panel products

At the end of 2016, Tesla finalized a manufacturing agreement with Panasonic. Panasonic’s solar panel technology is some of the most efficient on the market. Tesla released detailed technical information about their solar panels in 2017 and hasn’t given information since. Their panels were supposedly 325-watt models with an impressive 21.76% efficiency, bringing them in line with most premium solar panel options on the market at the time.

In April 2017, the much-discussed solar panel product was finally revealed, but the company didn’t announce it with the fanfare usually reserved for Tesla product releases. Instead, the Tesla Energy website was quietly updated to include a page specifically dedicated to solar panels alongside its other energy products like the Powerwall and Tesla Solar Roof.

What we didn’t yet know in 2017 is how much Tesla solar panels cost exactly. Research from the National Renewable Energy Laboratory (NREL) has found that large installers like SolarCity (Tesla’s phased-out solar brand) typically price their products at a premium of 10 to 20 percent when compared to smaller local installers. Based on data from the EnergySage Solar Marketplace, along with word-of-mouth, we saw Tesla solar panels being quoted at around $3.25/W, which equated to about $19,500 for a 6kW system before any tax credits, rebates, or incentives.

In January 2019, Tesla seemed to be using mainly their own Tesla-branded solar panels made by Panasonic in quotes for installations. In a 2018 report by Electrek, it was revealed that Tesla’s deal with Panasonic to produce panels at Gigafactory 2 finally began to ramp up significantly. According to the report, Tesla’s purchasing of panels from other suppliers dropped, while the share of installations done by Tesla with Tesla-branded panels jumped up over the second half of 2018. In fact, the company reportedly installed 93 megawatts (MW) of solar panel capacity in Q3 2018.

It’s worth noting that the solar panels revealed on Tesla’s website are a distinct product that’s wholly different from the Tesla Solar Roof announced in October 2016. The Solar Roof is an integrated solar tile roofing system, which has a striking look but can be more complicated to retrofit on existing homes. Tesla’s solar panels, by comparison, are better suited for a standard solar installation that can be affixed to an existing roof.

What makes Tesla solar panels different?

One striking difference between Tesla’s solar panels and other solar products is how they look on the roof. Images of Tesla’s solar panels portray a product with a sleek all-black finish, consistent with Tesla’s reputation for impressive design. However, Tesla isn’t the only company that offers an all-black solar panel – premium panel manufacturers LG and SunPower have been producing black panels for years, as has Tesla’s new manufacturing partner, Panasonic.

tesla low-profile solar panels on a roof

What is more distinct is the design of the system as a whole. The Tesla website states, “Our solar panels blend into your roof with integrated front skirts and no visible mounting hardware.” SolarCity (Tesla’s solar brand) acquired Zep Solar, a company that manufactures low-profile solar panel mounts, back in 2013. The Tesla solar panel system likely includes or in the future will include a version of Zep’s previous mounting design.

The system also includes “skirts” that create a beveled edge wrapping around the solar panel installation, which makes the system appear visually more integrated into the roof. While neither the skirt nor the low-profile mounting panels are Tesla-exclusive innovations, it’s clear that Tesla has dedicated significant resources to creating an aesthetically pleasing panel installation.

Tesla solar panels also come with integrated functionality to the Tesla app, allowing property owners to monitor their panels from a smartphone or other device. One of the major benefits of any Tesla-branded product continues to be their usability and overall experience, and it seems that their low-profile solar panels are no different when it comes to ease of use and modernization.

Should you install Tesla solar panels?

The real question, now that the first glimpses of Tesla’s new solar panels have been revealed to the public, is whether you should try to get a quote for them for your solar installation. First and foremost, no homeowner should make a final decision on their solar purchase without comparing multiple offers from different solar installers. Use a website like the EnergySage Solar Marketplace to find qualified solar companies near you and get quotes to give you an idea of what solar costs in your area.

If you’re a diehard Tesla fan willing to wait out possible production delays (for which Tesla has become notorious) and pay a price premium, it may be worth looking into Tesla solar panels. However, there are other companies that manufacture all-black panels today, including Panasonic, the very company that’s producing Tesla’s solar panels. When you join EnergySage, simply request quotes that include all-black solar panels so that you understand how much of a price premium you’ll actually pay, and how that impacts your long-term solar savings. You can even request all-black Panasonic solar panels when you join the EnergySage Solar Marketplace today.

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32 thoughts on “Tesla solar panels: the complete overview

  1. Sri

    I did get the installation by Tesla on Oct-19. I did get panasonic solar panels and solar edge hd wave inverter. The only time anyone visited my house was for installation and done in a single day. But I did have several rounds of discussion with them. It helps to shop around at least for the research.

  2. Mauricio

    Just like the previous comment stated. Tesla is only selling Hanwha Q cell panels under the new pricing (315w panels). I understand that to lower prices they need to lower costs but, this was a bit disappointing.

  3. Mike Gazza

    I finally decided to go with Tesla solar panels because I read so many good things about the panels they were co-producing with Panasonic. I used the new configurator on their website that was launched around the end of April. Unfortunately, I found out in a round about way how they are able to “slash” prices. The only panels that they are now offering are the Hanwha Q-Cells. After 4 phone calls with customer service and the design team I was finally told that they are not offering the premium Panasonic panels for the new pricing. A manager even went to far as to ask me if I noticed the price difference in the cost when looking “pre-configurator and “post-configurator”, stating only the Hanwha’s are being sold “post-configurator”. This seems very much to be a bait and switch on Tesla’s part. I’m very disappointed in the whole process.

  4. eladio j quinones

    Hey Stearns, I’m also in central Florida and just started looking into Tesla solar and powerwall and wanted to know how Duke handles giving back to the grid?

  5. J Stearns

    My Tesla solar was installed as promised back in October. The installers were extremely professional and encouraged me to watch the install process. I could not have been happier. The only delay we had was “Duke Energy.” It took them 21 days to come out and swap my meter. I turned my system on and so far it has worked AWESOME!! No more paying the ripoff lobbyists filled energy company. Not sure why more people aren’t going solar whether it’s with Tesla or anybody else. I’m located in central Florida.

  6. Mike from Seattle

    Tesla Solar – beware of the “bait and switch”.
    I spoke with the Las Vegas sales center (I’m based in Seattle). They designed and quoted a system that included a reroof (as my roof is old). So I signed the contract in June 2018 – then….after 5 or 6 months of delays (now in winter weather) I get an email that says that I need to pay the contracted roofer directly an additional $11,800 in order to proceed with the project! The saleswoman must have ‘forgotten’ to tell me that the original line item quote for the roof of $9,000 was going to change! I had two other quotes from reputable roofing companies that my roof was in the 9 to 10,000 range to reroof. But Tesla then changed the cost for the roof to $21,800. I haven’t had the rug pulled out from under me like that in a long long time. It was shocking. I have a Tesla car, and I love it, but it’s totally different with Tesla Solar. Commissioned sales people with slippery bait and switch pricing. I can’t believe people think they can get away with that in 2018. Go with a local solar company, that’s what I will now have to do.


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