Meet the Solar Roof Designed by America’s Largest Roofing Manufacturer

California’s pitch for 100 percent renewable energy is dead -- for now.

In the last week of its legislative session, California bills that laid out plans for a 100 percent renewable grid by 2045 and a remake of the state’s grid into a regional system floundered.

Legislators’ failure to move the bills through could add fuel to the larger 100 percent renewable energy debate, in which a variety of stakeholders have questioned the speed, pathway, feasibility and, ultimately, the need for converting to 100 percent. The struggle begs the question: if California can’t make 100 percent a reality, can other large

When Elon Musk kicked off Tesla's solar roof product in October, he left several open questions about how Tesla planned to enter the roofing market itself.

Building a roof requires different expertise than putting solar modules on top of it. And the roofing industry has established distribution channels throughout the country, typically reaching customers via local contractors supplied by larger roofing distributors. Breaking into that world out of nowhere requires a bit of work.

There's another solar roof company that doesn't have to worry about that.

GAF claims the title of largest commercial and residential roofing manufacturer in North America. It's been around

Meet the Solar Roof Designed by America’s Largest Roofing Manufacturer

California’s pitch for 100 percent renewable energy is dead -- for now.

In the last week of its legislative session, California bills that laid out plans for a 100 percent renewable grid by 2045 and a remake of the state’s grid into a regional system floundered.

Legislators’ failure to move the bills through could add fuel to the larger 100 percent renewable energy debate, in which a variety of stakeholders have questioned the speed, pathway, feasibility and, ultimately, the need for converting to 100 percent. The struggle begs the question: if California can’t make 100 percent a reality, can other large

For Corporations Acquiring Renewables, It’s Not All About Price

A growing cadre of do-it-yourself enthusiasts is turning its attention to residential energy storage.

For these aficionados, Tesla's $3,000 Powerwall fails to impress. Instead, they're building their own DIY versions -- for a fraction of the cost.

Jehu Garcia, Peter Matthews and Daniel Römer are leaders in a movement that uses social media to show how you can build home battery packs from laptop batteries.   

Garcia, whose YouTube channel has almost 113,000 subscribers, is working on an industrial-scale DIY battery system with 1 megawatt-hour of storage capacity. His video announcement of the project has been viewed more than

For Corporations Acquiring Renewables, It’s Not All About Price

We're having a bit of a moment for "resiliency" in the U.S.

Hurricanes Harvey and Irma have forced a conversation about climate resiliency for coastal communities. Meanwhile, the Energy Department has made grid reliability and resiliency central to its mission.

This brings us to an important resiliency tool: microgrids. 

Microgrids became a major part of resiliency plans in New York, New Jersey, Connecticut and Massachusetts after Hurricane Sandy in 2012. We’ll look at how that’s influencing the conversation today in the wake of Harvey and Irma. We'll also get a snapshot of how microgrids in Texas fared during the storm.

This week, GTM

Meet the Solar Roof Designed by America’s Largest Roofing Manufacturer

California will not be moving ahead with legislation to explore linking the state’s power grid with utilities and states across the Western U.S. -- at least not this year. 

This week, amidst the flurry of last-minute additions and deletions to energy-related bills before the end of the state’s legislative session, Assemblyman Chris Holden announced he would not be moving forward with AB 726 and AB 813. 

The two bills were the vehicles for a concept that’s won both favor and opposition from clean energy, environmental and consumer groups: regionalizing the state’s power governance, and opening up its operations to a far greater integration

Data from up to around 22,500 smart meters provides one of the most advanced analyses of rural microgrid use to date.

The data revealed by smart meter developer SparkMeter, which specializes in microgrids for emerging markets such as Cuba, Nigeria and India, shows that the microgrid setups tend to deliver only small amounts of power and make only small amounts of money.

While SparkMeter’s product portfolio contains meters of up to 200 amps, the company has found the maximum load per user is usually capped at a low level in most rural settings.

Peak loads, meanwhile, are usually much less than the

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Qatar Green Leaders is a Green Building Certification Management & Training Company, dedicated to helping its clients achieve the most feasible LEED / GSAS certification.

We are a privately-owned Qatari company established in June 2011 and operating from Doha, Qatar.

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