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rooftop solar

Residential rooftop solar 101: From azimuth to zoning

Join the solar revolution, but do so with the most current insight on equipment, cost, and system design. Bookmark this page and refer to it often as your project moves forward.

Sunrise brief: NREL looks at how solar can cut its growing waste problem

Also on the rise: Dominion wants to add 1 GW of solar and energy storage in Virginia, SunPower inks an exclusive supply deal, and solar on new-build homes can shorten system payback times.

Solar on new-build homes has significantly shorter payback period

A report by BloombergNEF and Schneider Electric makes the case for governments to unlock huge rooftop solar potential, citing California’s solar mandate as a shining example.

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Greenskies and Vanguard complete rooftop industrial solar project

The two companies completed a 1,500-panel, 573 kW solar energy system for the Port Authority of NY & NJ.

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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