New Colorado community solar garden to exclusively serve low-income customers

GRID Alternatives, the nation’s largest non-profit solar installer, and Grand Valley Power (GVP), an electric cooperative utility based in Grand Junction, CO, today announced an unprecedented partnership to develop and produce a community solar garden dedicated exclusively to rate-payers qualified as low-income. The first of its kind in Colorado, the 25-kW array will provide clean,

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Baltimore neighbors in pilot solar co-op select Solar Energy World to install systems

Civic Works’ Retrofit Baltimore program and MD SUN (a project of Community Power Network) have organized more than 40 Baltimore neighbors in a pilot solar co-op. The co-op incorporates the collective buying power of Baltimore residents with the workforce standards of Civic Works. The group of homeowners selected Maryland-based Solar Energy World to install systems for all of the participants

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Installation Notes: Seattle project produces solar-savvy graduates

A new PV array on the roof of a Seattle-area college is a clean-energy investment with a different sort of payback: solar-savvy graduates. The Education Building at North Seattle College now sports a 7.4-kW PV system, its primary array perched atop a rotating armature that tracks the sun across the sky each day. While the


Yarotek, REC Solar complete 874-kW install for Puerto Rican food distributor

Yarotek, a Miami-based solar developer and independent power producer with regional headquarters in San Juan, and REC Solar, a national provider of comprehensive commercial solar and energy solutions, today announced the completion of an 874-kW solar array for Ballester Hermanos Inc., a food, wine, spirits and foodservice distributor in Dorado, Puerto Rico. The roof-mounted array will reduce electricity


SunEdison to develop 2.5 MW of solar for Long Beach, California

SunEdison Inc. announced an agreement to develop and install four solar power plants for the City of Long Beach, delivering a combined 2.5 MW of solar energy. SunEdison has added the plants to the call right list of TerraForm Power Inc. a global owner and operator of clean energy power plants. “It’s a genuine pleasure to partner with the


104-MW Utah solar project powered by JinkoSolar modules

JinkoSolar Holding Co. will supply 104 MWdc of PV solar panels for the Utah Red Hills Renewable Park project. JinkoSolar will deliver over 340,000 of its utility-scale, high-efficiency polycrystalline 72-cell panels to the Utah Red Hills Renewable Park though a contract with Swinerton Renewable Energy. Scatec Solar, the project’s developer and a long-term owner, hired Swinerton


Everybody Solar reaches crowdfunding goal for Wildlife Associates project

Everybody Solar, an award-winning solar energy nonprofit, has announced that JinkoSolar and All Points North Foundation (APNF) have stepped up to bring solar to fellow Bay Area nonprofit Wildlife Associates. In September, Everybody Solar kicked off a crowdsourced fundraising campaign to bring a solar array to Wildlife Associates and cut their electric bill by 90%. These donations pushed the campaign past


Eaton inverters power 73-MW Redwood Solar Farm in California

Power management company Eaton announced multiple contracts to provide solar inverters, electrical distribution equipment and services for the 72.9-MW Redwood Solar Farm in Kern County, California. The project, developed by sPower and 8minutenergy Renewables, is expected to generate 146 million kilowatt-hours (kWh) of sustainable electricity annually to power approximately 9,200 California homes and reduce greenhouse

off grid backwoods solar

Solar Speaks: Why you should consider adding off-grid services to your business

As the off-grid solar market grows, many solar professionals are considering offering services to this segment as a smart business move. But off-grid projects have different considerations that are important to note for a proper installation. To tell us more, we spoke with Sequoya Cross of off-grid supplier Backwoods Solar.  


What is a solar pyranometer?

Global irradiance is the amount of radiant energy (electromagnetic radiation from the sun) on a flat surface. It’s important to measure irradiance to know how much power a solar project could potentially harvest from the Sun. The irradiance is measured in watts per square meter (W/m2). A pyranometer is designed to measure this irradiance from