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

$0.25/kwh – what a typical California homeowner pays for electricity (based on current PG&E rates at the U.S. average of 12,000 kwh/yr)...

I typed the words “free solar” into Google and got 747,000,000 hits in half a second. We all know that solar systems are not free. But...

The oldest, biggest and most efficient solar application is heating water. Solar hot water systems have been around in one way or another...

Solar panels are commodities — not very different than the bottled water you find on a supermarket shelf. Granted some panels are more...

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...

Running a successful solar business isn’t easy. Whether it’s a small local installer working on one system a week on neighborhood homes,...

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...

According to Doc Brown, Marty McFly’s DeLorean needed 1.21 gigawatts to travel back in time. To put this in perspective, new gas power...

Fires in homes are generally caused by kitchen mishaps, heating system fires or electrical malfunctions. When it comes to rooftop solar...

“Very solid scientific consensus indicates that we are presently witnessing a disturbing warming of the climatic system." “Problem is...

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...

Outdoor pools are great on hot summer days – the kids are occupied and the water is refreshing. And as the summer progresses, the water...

With energy prices changing so quickly — and new technologies ramping up into the marketplace — the “conventional wisdom” about energy is...

It’s the environmentalist’s third rail question: “Should we promote nuclear power as an expedient way to reduce CO2 emissions?” On the...

If you live in a location with high electric rates and local incentives, it’s very likely that the economics for a rooftop solar system...

Hurricanes. Blizzards. Earthquakes. Tornadoes. They’ve all clobbered populated areas over the last few years, resulting in extended power...

Solar panels have been on the market in the U.S. for over 25 years. Without exception, all of the manufacturers of panels on the market...

Over 95% of climate scientists have concluded that CO2 is the primary cause of global warming. Solving the problem requires a dramatic...