Author
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, 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.
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Articles written by John Fitzgerald Weaver
Illinois responds to OBBBA with 3 GW of energy storage, VPPs, and more
The state is moving an energy bill through the legislature, that would – among other things – institute a 3 GW energy storage goal, create virtual power plant (VPP) and time of use plans, enact permitting reform, and more while concurrently reopening the solar program allowing it to more than double the year’s capacity goals.
Nov 05, 2025
Software-defined power: FlexGen’s HybridOS turns batteries into grid thinkers
FlexGen says the future of energy storage isn’t necessarily in bigger batteries but in smarter ones, and has now brought solar power into its software. Its Linux-based HybridOS platform coordinates batteries, inverters, and solar systems to think and act like living parts of the grid.
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California solar curtailment down 12% on back of batteries
For the first five months of 2025, CAISO data showed solar electricity curtailment declined by 12% as a share of generation, falling from 13% to 11.5%, even as solar output grew 18% year over year. During this period, however, curtailment still rose 4.1% in absolute terms, with March showing a 28% increase, matching the prior year’s peak.
Tesla deploys 9.6 GWh of battery storage in Q2, 10 GWh Nevada cell factory ‘nears completion’
The electric vehicle company reported flat energy storage growth, quarter over quarter, but nearly 50% growth year-to-date, compared with 2024. Tesla has deployed 37.9 GWh over the past four quarters and is approaching 100 GWh deployed.
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