Author Archives: admin

How to decide if high-efficiency panels are worth the cost

High-efficiency solar panels are becoming increasingly popular, and can impact how much solar power you can produce on your roof or property. Given all of the options for high-efficiency products, though, it can be hard to get a feel for how the efficiency of your panels influences the costs you pay for solar. Here’s a quick guide to help you determine if high-efficiency solar panels are worth the added cost when comparing your solar options.

Continue reading

Highlights from the Tracking the Sun report

One of the best resources for tracking trends in the solar industry was just released. The recently published annual Tracking the Sun report from Lawrence Berkeley National Lab (LBNL) describes price and technology trends for distributed solar projects nationally, collecting project-level data from approximately 1.6 million systems through the end of 2018. The latest edition of the report, which is now in its twelfth year, finds that prices for distributed solar power systems continued to fall in 2018, that industry practices continue to evolve, and that systems are getting bigger and more efficient.

Continue reading

Compare solar panel prices in Massachusetts: how to get the best deal

Its a great time for consumers considering installing solar panel systems in Massachusetts.  Solar PV system prices fell over 64% during a recent 5 year span. It’s figures like this that have analysts from Deutsche Bank reporting that solar is well on its way to beating conventional generation technologies on cost.

In line with this trend, prices for solar panels in Massachusetts are also on the decline. But how can residents of the Bay State make sure that they’re not paying last year’s prices? We’ve identified three things shoppers can do to make sure they get a good deal based on some analysis of price figures from across the state (summarized in the chart below).

Continue reading

Solar Cost Terminology: Cost Per Watt, $/W and LCOE

What should you look at to determine if you’re getting a good deal on solar? There are lots of things to pay attention to when deciding on a solar energy system; but two of the most useful metrics for evaluating the cost and value of a solar power offer are price per watt, measured in dollars per watt of energy ($/W), and ‘levelized cost of energy’ (LCOE).

Continue reading

5 questions to ask a real estate agent before selling your solar home

There may come a time when you decide to sell your solar home. At that point, you will want a solar-friendly real estate agent that understands the ins-and-outs of solar-powered homes to be able to explain all aspects of your solar energy system to potential buyers, as well as home inspectors, lenders and appraisers. A knowledgeable solar-home listing agent will help achieve the highest valuation possible for your solar home, while demonstrating to others how your solar-power system adds value to your home.

How do you know if your real estate agent will help you get the most value for your solar home? You know your solar home well, and you need a listing agent that is both experienced in selling solar homes and willing to learn the specifics of your solar home. Here are five questions to ask any potential listing agent to determine if they’ll be best for helping to sell your solar home.

Continue reading

Compare the top solar lease companies: Sunrun vs SolarCity, Vivint, SunPower & Clean Power Finance

Who are the top solar leasing companies in the country, and how do they differ in structure and business model? This article aims to answer these questions, examining some of the biggest solar lease providers in the US – SolarCity, Vivint SolarSunrun,  SunPower and Clean Power Finance.

Continue reading

Do solar panels work in the winter? Solar snow performance explained

Memories of cold, snowy winters past can be discouraging even for the hardiest homeowner. If you’re considering going solar, you might be wondering whether solar panels and snow are a bad combination. On the contrary, EnergySage marketplace data has indicated that solar shoppers can often find the lowest quotes during winter months when competition is reduced. After all, if you look at solar as an investment, then it should be able to generate returns throughout the year as other investments do. Luckily, plenty of people have both solar panels and snow, and some of the most popular regions in the U.S. for solar have snowy winters. Don’t let winter weather discourage you from going solar!

Continue reading

Is solar energy worth it in New York in 2019?

Are you considering a solar energy system for your home or business in New York, but want to know more about the costs and benefits before making a decision? In this article we look at the reasons why going solar is a good idea in New York, and also examine the various incentives and financing options that may be available to you if you are a New York resident.

Looking for quality solar installers in your area? See our updated ranking for the best solar companies in the state of New York
Continue reading

Where are solar panels made and should you care?

One of the things you may have questions about as you shop around for a solar system is where the solar panels are manufactured. This article will help you determine whether a panel’s country of manufacture should be a key consideration for you.

Note: If you are looking for information on the 30% tariff levied on solar panels by the Trump Administration, read our complete analysis here.

Does it matter where solar panel companies are based and where they make the panels?

When it comes to quality, the mention of any country’s name will evoke an association; each nation has its own brand image, which may or may not be justified. You as a smart solar shopper, however, will want to look at the facts in order to make a more well-informed decision. Our recommendation is to judge each panel by its own merits.

What if the country of manufacture is important to me?

This doesn’t mean that country of origin is never important, of course: everyone has their own preferences. For example, many Americans would prefer solar panels made in the USA to ones that are imported, whether for patriotic reasons or because they trust the ‘American-made’ brand for quality.

American-made vs imported panel costs

American-made solar panels generally cost from $0.50 to $0.80 per watt (W) – about $0.10 to $0.30 more per watt than imported panels. The highest quality, ‘premium’ American panels may even come in around $1.00/W.

For a typical 6kW system, an additional $0.30/W translates into about $1,800, a reasonable amount to pay if the ‘Made in America’ stamp is important to you. Also keep in mind that some states may offer rebates for locally-made panels that can offset some or all of the additional cost.

Check out our list of U.S. solar panel manufacturers for more information about companies that make solar panels in America.

Manufacturing location vs headquarters location

If ‘country brand’ is important to you, be aware that the location of a company’s headquarters is not always the same as its factories. (For example, SunPower is a premium American brand that has manufacturing plants in both the US and the Philippines.) All else being equal, knowing that a company’s head office is relatively close or in a familiar country could help you make a decision.

Where do the top solar companies manufacture panels?

Below, EnergySage has compiled a list of the leading solar panel companies active in the US market based on the most recently available data in 2018. The table is broken down by each company’s market share, headquarters location, manufacturing facility locations and overall quality ranking.

The key takeaways from the table below are that: 1) no single country dominates the market (although the US and China do appear most frequently), and 2) there is little to no correlation between country of manufacture and the company’s quality ranking.

Exhibit: List of solar panel makers in the US by residential market share and country of manufacture*

Solar Panel ManufacturersApprox. U.S. Market Share*Company Headquarters
1SolTech< 1%U.S.
Aleo2%Germany
Axitec< 1%U.S.
Canadian Solar6%Canada
Centrosolar< 1%Germany
Conergy< 1%Germany
Eoplly< 1%U.S.
ET Solar2%China
Hanwha Q CELLS1%South Korea
Hyundai< 1%Korea
Itek< 1%U.S.
KYOCERA Solar2%Japan
LG6%Korea
Lightway< 1%China
MAGE Solar< 1%Germany
Perlight Solar (Zebra Energy)< 1%U.S.
Phono Solar1%China
REC Solar8%U.S.
ReneSola4%China
Sharp Solar4%Japan
SolarWorld4%Germany
SunEdison/MEMC0.50%U.S.
Suniva2%U.S
SunPower17%U.S
Suntech2%China
Trina Solar17%China
Winaico<1%China
Yingli Solar17%China

For any homeowner in the early stage of shopping for solar that would just like a ballpark estimate for an installation, try our Solar Calculator that offers up front cost and long term savings estimates based on your location and roof type. For those looking to get quotes from local contractors today, check out our quote comparison platform.

* 2015 Data, Residential Solar Installations, Source: GTM / SEIA