Rooftop

Why California’s Rooftop Mandate Isn’t Good Enough for Some Solar Enthusiasts
You might expect the debate over California's new rooftop solar mandate to pit two well-defined camps against each other. But there are more than two sides. [...]
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Sunrun Seeks $500 Million for Rooftop Solar Growth
Sunrun Inc., the largest U.S. residential-solar company, is seeking about $500 million to fund more rooftop-power systems, according to people familiar with the company’s plans. [...]
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Modernizing Rooftop Solar with Tandem Solar Panels
Did you know there are alternatives to standard silicon solar panels? Or that someday soon, you might be able install a solar panel that is 50 percent more efficient than the average silicon PV solar panel? [...]
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Analysis: Ratepayers Foot the Bill for Utilities’ Push Against Rooftop Solar
A recent story in the New York Times raised new attention to the role of the Edison Electric Institute (EEI) in pushing policies hostile to distributed solar. [...]
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Listen Up: Future Rooftop Solar Costs — Getting to $2.50/watt
The solar industry is one of our most obvious success stories. Our industry directly employs 261,000 people. We generate energy that is both clean and renewable. And we generate this energy at prices that are less than conventional utility power — as low as 6 cents per kwh.  [...]
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Listen Up: Ten Rooftop Solar Mistakes
Everyone makes mistakes — and I’ve certainly made my share of them. On this week’s Energy Show on Renewable Energy World we will discuss in detail some of the most common homeowner and installer mistakes that I’ve seen over the past 15+ years — as well as the actions we can take to do things right the first time. [...]
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Listen Up: Rooftop Solar Potential in the US
At the center of our solar system, approximately 92.96 million miles away, is a nuclear power plant capable of powering the entire globe. We know it by its most common name: our sun. [...]
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Ten Predictions For Rooftop Solar In 2017
Every year I gaze into my solar crystal ball and make ten educated guesses about the rooftop solar industry. Last year I was pretty lucky, getting 9 out of 10 right. [...]
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These 3 maps show the absurd growth potential of rooftop solar in America
Solar power in America is on a roll. Over the last decade, the cost of solar installations in the U.S. has fallen by more than 70 percent, and every year has had more solar installed than the last.Since 2010, the nation’s solar power capacity has grown fifteen-fold. And employment in the U.S. solar industry recently surpassed 200,000 people – that’s more than the oil and gas extraction industry, and three times more than the coal-mining industry.It’s really just the beginning though. To [...]
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Power Generation Week Attendees View Rooftop and Ground-Mount Solar Arrays
On Monday, attendees of Power Generation Week toured solar arrays both on the roof of the Orange County Convention Center (OCCC) and in various locations around its campus. [...]
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Millions of Dollars Spent on One War Over Rooftop Solar
There’s a war brewing over the future of rooftop solar, and Arizona is at ground zero. Pinnacle West Capital Corp., which owns the state’s largest utility, last week said it has formed a third-party group to support candidates for an elected state board that regulates their industry. [...]
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