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John Fitzgerald Weaver

Commercial Solar Guy is a commercial & utility solar developer, general contractor for commercial and residential solar, as well a consultant. We construct projects in MA, RI, NH, NY, and soon PA. The company has worked on projects across the United States - currently in California, New York, Pennsylvania, Massachusetts, and others. We have also consulted internationally. If you're a business or land owner, we'll make sure you know the details on the deal you're signing.

Vertical bifacial solar seeking greenhouse albedo and deployment space

A farmer in the United States has installed vertical bifacial solar, leveraging greenhouse albedo to increase output. The installation demonstrates promising generation during winter months, while maximising limited land space.

New software modelling tool for agrivoltaics

Sandbox Solar, a solar developer and US federal grant recipient, has released a beta version of its software modelling tool for agrivoltaic power plants. It supports the design and optimisation of solar panels, as well as the crops underneath.

Longi reveals plans to open 5 GW solar module factory in US market

Chinese manufacturer Longi Solar is working with PV developer Invenergy to build a 5 GW per year solar module manufacturing facility in the US state of Ohio.

Energy storage fire, explosion, and safety training manual released

IREC’s handbook contains energy storage installation codes, hardware standard, and lithium-ion risk mitigation tools.

How to get to 100% emissions-free electricity

The National Renewable Energy Laboratory is exploring different paths to 100% emissions-free electricity in the United States.

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Polysilicon price relief in 2023 as industry scales to 500 GW

Clean Energy Associates says solar wafer pricing will fall by 23% by the end of 2023, while BloombergNEF sees 500 GW of manufacturing capacity online by the end of next year.

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EV shipping is set to blow internal combustion engines out of the water

Modelling 5 to 10 GWh electrified containerships, researchers find that 40% of routes today could be electrified in an economically viable manner, before considering environmental costs.

Ampt lawsuit asks that SolarEdge remove inverters and controllers from market

Ampt posits that all of SolarEdge’s technology is in violation of patents controlled by the Colorado company, and that they should be required to immediately cease all sales.

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Single-axis trackers on commercial rooftops increase generation by 37%

Alion Energy trackers thread the return-on-investment needle with productivity gains from white roofs and bifacial modules, while design aggressively maximises module count.

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High-wattage solar modules increase risk of thermal runaway

Longi Solar outlines its high-temperature mitigation logic in designing the lower current, high-wattage Hi-MO5 solar panel series.

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