Category Archives: EnergySage

Articles & advice from EnergySage about solar power and other clean energy systems for your home, business or non-profit.

Clean Energy Examples: What are the Main Types of Clean Renewable Energy?

With a number of similar terms in the world of renewables, many are wondering what is clean energy and what are the sources associated with it? Understanding the line between dirty energy and clean energy can be more complicated than one might think and our research shows that one of the roadblocks that discourages people from purchasing clean energy systems is the combination of too many options and too little information. To help clear the way forward for everyone, we’ve created the following simple, top-line primer to lay the foundation for learning more about clean energy options that are available to you.

types of clean energy sources

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How many solar panels do I need for my home?

how many solar panels do I need image

Determining the size of your solar energy system starts with a simple question: how many solar panels do I need for my home? As most people want to produce enough energy to completely eliminate their electricity bill, the first step is determining what size solar system will produce enough power to meet your household consumption levels. Ultimately, you will be calculating how many kilowatt hours of power you will need and finding the correct system size and number of panels to power your house.  Continue reading

SolarCity Complaints: What America’s Homeowners Think About Its Top Installer

top solarcity complaints and issues graphics

If you’ve considered installing solar panels in the United States in the past decade, chances are you’ve heard the name “SolarCity” a few times. With its recognizable sun icon slated next to a catchy phrase in bold, the U.S. green giant has made a name for itself in the residential solar market, and is widely considered the country’s top installer for the past three years.

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How solar panel cost and efficiency have changed over time

solar panel cost and efficiency over time

Solar panel technology has been around in some form for a long time – Bell Labs invented the first useful solar cell more than 60 years ago, and scientists have known for centuries that the sun can be used to produce energy. However, it’s only in the last ten years or so that solar photovoltaics (PV) has really taken off as a renewable energy source. There are two major factors influencing the technology’s growth: the steady improvement of both solar panel cost and solar panel efficiency over time.  Continue reading

Tesla Energy: Has Elon Musk invented the first clean power utility?

tesla energy

Tesla Motors was once a company that sold solely luxury electric cars, but its founder has set his sights on the creation of a full-throttle home energy solution. The company’s expansion into energy storage and solar power has been heralded by the unveiling of a new division: Tesla Energy.

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Congress extends solar tax credit – everything you need to know about the federal ITC

federal solar tax credit itc extension

Congress has voted to extend the solar tax credit for homeowners through 2021.

Homeowners, solar companies, and industry advocates alike were given a big Christmas gift in 2015 when Congress approved the 2016 federal spending bill and extended the solar panel tax credit. The December 18 bill contained a 5-year solar tax credit extension, which makes solar more affordable for all Americans. Wondering how this impacts you? EnergySage has the answers.

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Solar panels for schools: how much are the costs and benefits of solar for k-12s and universities?

solar panels for schools

As solar has entered the mainstream in the past decade, corporations and institutions with massive energy bills have started to realize how much money they can save by switching to solar power. There’s already a strong case for residential rooftop solar, but you can make an even more convincing argument for solar in the commercial sector where prices are lower and overall savings can be dramatic. In this article, we’ll focus on schools and universities, explain why many educational institutions across the country are installing solar, how much solar costs for schools and detail how the process works.

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Does my solar roof have to face south?

You don’t need optimal conditions for your solar power system to be a great investment. One of the biggest myths about the financial viability of solar is that it requires a really sunny location and a south facing roof. While these may be ideal conditions, folks outside of Southern California with roofs that face other points on the compass, such as east to west-facing roofs, can still satisfy most of their electricity needs and reap significant financial returns when they adopt solar power systems.

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Solarize programs in top states: how solar group buy works

solarize programs in ct ri and ny

What is a solarize program?

Even if you’ve been hearing about Solarize programs lately (like Solarize RI, Solarize CT, or Solarize NY), you might not know what “solarizing” your home or neighborhood actually entails. Solarize is sometimes confused with community solar, but in reality the two terms refer to completely different solar options. So what does this trendy verb mean, and who does it apply to?

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