Millions of Americans were using cereal boxes, telescopes, and flimsy plastic solar viewing glasses to witness the Solar Eclipse on...

20 years ago the problem with rooftop solar was that customers needed a large collection of lead acid batteries to store their daytime...

Future energy sources in our homes and businesses will be a combination of rooftop solar, battery storage and power delivered by the...

PACE financing, or Property Assessed Clean Energy, started out about 10 years ago as a financing mechanism for residential solar....

It may seem counter-intuitive, but you can have too many solar panels on your roof. With conventional net metering, your utility will not...

If you have an electric bill there are three basic ways for you to get your electricity from renewable sources. The most popular is...

Home solar systems are pretty simple: put some solar panels on your roof, wire them up, get connected by your utility, and enjoy cheap...

At the center of our solar system, approximately 92.96 million miles away, is a nuclear power plant capable of powering the entire globe....

How many solar panels will fit on my roof? How can you tell if a solar salesperson is exaggerating? Will a big solar company be more...

For a homeowner, determining how many solar panels you need is a simple question. But in order to answer the question accurately, solar...

Ahhh….it’s almost springtime. The weather is getting warmer, the trees are starting to bud, and people are starting to think about their...

If only all our New Year’s Resolution were this easy. Luckily, saving energy is easier than losing weight after gorging over the...

Whenever I land in a city I can’t help noticing how few — if any — commercial rooftops have solar panels. Historically, there have been...

A rooftop solar system is an expensive up-front investment. The typical 5 kw system costs about $20,000 – or $14,000 after the 30%...

Headline: “Low Cost Rooftop Solar.” What’s not to like? If you’re a homeowner you can save thousands of dollars shopping around for the...

Recently, a solar worker in Hawaii fell off a roof to his death. Construction work is one of the most dangerous activities, and...

Rooftop solar panels only work when they are in direct sunlight. So if you install solar on a partially shaded roof, the output of your...

I’ve spent a lot of time over the past 15 years talking to homeowners about rooftop solar. More kitchen table chats and walks around the...

Technologies, companies and business models in the solar industry come and go. But even in the relatively new solar industry, history...

I bet you don’t know that there is a home improvement investment that you can make that will increase the value of your house more than...