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rooftop solar

Green roofs can boost solar panel efficiency, study finds

The improvements are believed to stem from lower temperatures on the green roof.

Brighten Haiti aims to install solar PV on 109 schools in 2022

The group takes donations of discarded but still useful solar modules and offers solar apprenticeships to provide both training and reduced-cost PV systems to schools.

Sunrise brief: An HOA rains on a family’s solar installation

Also on the rise: Polysilicon prices are forecast to continue to rise, Ample raises $160 million from investors including Shell, and growing numbers of schools are going solar.

Solar 101: Go solar, but go with your eyes open

Solar is uniquely virtuous among energy industries. But like all industries, consumers need to pay close attention to protect themselves.

Solar 101: How to calculate your solar system’s payback period

The simplest way to model the payback period is to divide the project’s costs by its expected annual production number. That’s a good start, but it doesn’t tell the whole story.

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Solar 101: Tips for keeping your rooftop solar system humming over the long term

Solar O&M comes down to mechanical rooftop connections, electrical solar panel connections, panel and connection temperatures, and inverters. Here are four possible plans of attack.

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Sunrise brief: Convalt Energy wins approval for a 700 MW solar module production plant

Also on the rise: Canadian Solar wins a big energy storage bid, report makes a case for lots more rooftop solar in California, and Babcock & Wilcox will market a 100-hour, 135 MW energy storage technology.

Solar 101: The obvious… and not so obvious… state solar incentives

Here are three tools to help you navigate the sometimes-complex array of state incentives for your rooftop solar project.

Sunrun posts sharp Q1 revenue jump, looks to EV cross-sales opportunities

Sunrun raised its installed growth rate estimate to 25-30% for the year, and said that “the strong momentum that we saw in the fourth quarter has continued into 2021.”

Solar 101: Working the angles to maximize your solar system’s output

Using Normal, Illinois, as a … well, normal … case study, we look at how a roof’s latitude, pitch, and azimuth affect energy output.

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