Covering the world of solar power technology, development and installation.
SEG Solar starts commercial-scale HJT solar panel production in Houston
16 Sep 2026 at 1:29pm
by Kelly PickerelThe first heterojunction technology (HJT) solar panels have rolled off the production line at SEG Solar’s Tomball manufacturing site in Houston. The company opened the 4-GW facility last month. The Tomball site was designed for end-to-end digital management of manufacturing operations from order release and material flow to production execution. AI-enabled inspection and advanced production…
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GRID Alternatives returns to its 1st solar project 20 years later16 Sep 2026 at 1:07pm
by Billy LudtTwenty years ago, Bob and Lorrayne Murphy opened their home in San Carlos, California, to GRID Alternatives, a new organization working to make solar energy accessible to underserved communities. They were GRID Alternatives’ first clients. GRID Alternatives returned to that same home to upgrade the original solar installation this week. “This home is where our…
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Companies from different solar segments form alliance supporting small-scale PV16 Sep 2026 at 1:00pm
by Billy LudtA coalition of solar manufacturers, software companies, service providers and a community bank have launched the Strong Tail Solar Alliance, a partnership formed to lower costs and widen financing access for U.S. residential and commercial solar installers. Founding members include Bodhi, Climate First Bank, Scanifly, JA Solar, Damaris Solutions and Krannich Solar. The alliance is…
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SEIA is absorbing the Coalition for Community Solar Access16 Sep 2026 at 12:49pm
by Billy LudtThe Solar Energy Industries Association (SEIA) and Coalition for Community Solar Access (CCSA) announced that the two organizations will combine following approval from each organization’s boards of directors. Effective in early October, CCSA will integrate its team, resources and policy work within SEIA. Founded in 1974, SEIA is the largest national trade association for the…
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First Solar ends Sec. 337 investigation into competitors allegedly infringing on TOPCon patent16 Sep 2026 at 11:53am
by Kelly PickerelFirst Solar announced it has voluntarily withdrew its Sec. 337 complaint and will terminate the U.S. International Trade Commission (ITC) investigation into competitors allegedly infringing on First Solar’s TOPCon solar panel patent. The company said that the government’s Sec. 232 tariffs on polysilicon derivatives should help to “loose[n] China’s grip on a critical supply chain.”…
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85-MW solar tracker project comes online in Oklahoma16 Sep 2026 at 11:46am
by Kelly PickerelThe 85-MW Choctaw Fields Solar Project is now online in Oklahoma. The single-axis project was completed by Tango Holdings, a joint venture between Savion Equity and Ares Infrastructure Equity. A long-term virtual power purchase agreement (VPPA) has been executed with Cargill for offtake of the facility’s full solar energy generation. “This latest milestone in Oklahoma…
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Georgia Power installs 512-MWh BESS at Robins Air Force Base15 Sep 2026 at 7:22pm
by Kelly PickerelA four-hour 128-MW battery energy storage system was recently completed on Robins Air Force Base in Warner Robins, Georgia. The 512-MWh system, when paired with the nearby Robins Solar Facility, strengthens energy resilience within Georgia Power utility territory. “Seeing the Robins Battery Facility enter commercial operation is an important milestone for Georgia Power and for…
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2 nearby properties install rooftop PV for NJ community solar program15 Sep 2026 at 5:10pm
by Kelly PickerelHigh Street Logistics Properties has completed community solar projects atop two nearby rooftops, bringing a total of 2 MW of solar to New Jersey’s community solar program. The projects, developed by SolarKal, are at 3 and 5 Finderne Avenue in Bridgewater, New Jersey, spanning 204,000 ft2. Through New Jersey’s Community Solar Energy Program, the projects…
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Milwaukee cuts ribbon on city’s largest solar project15 Sep 2026 at 5:00pm
by Kelly PickerelThe City of Milwaukee, Wisconsin, just celebrated the unveiling of its largest solar installation. A 4.6-MW expansion array was recently completed at a former city landfill adjacent to the Mitchell International Airport, bringing the site’s total capacity to 6.85-MW. The landfill’s original 2.2-MW array was completed in 2021. We Energies owns the site, while SunVest…
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Terrepower launches EV battery repurposing effort15 Sep 2026 at 11:33am
by Kelly PickerelOntility, the now EV battery-dedicated brand from Terrepower, is setting up EV battery lifecycle solutions in Europe and North America. This expanded focus will maximize the value of EV batteries through validated reuse, remanufacturing, repurposing and recycling solutions. Terrepower also supports solar panel recycling and refurbishing through its global manufacturing and recycling footprint. “Both North America…
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UL launches program for vehicle-to-grid certification14 Sep 2026 at 5:32pm
by Billy LudtUL Solutions announced its new certification program for vehicle-to-grid (V2G) technologies, helping advance the use of electric vehicles as a resource for the electric power grid. Utilities are looking for new ways to manage rising electricity demand, integrate renewable energy and improve grid resilience. V2G technologies can help by allowing parked electric vehicles to send…
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Commerce confirms dumping of solar cells from India, Indonesia and Laos into US market13 Sep 2026 at 8:19pm
by Kelly PickerelThe Dept. of Commerce has released its final determinations in an antidumping/countervailing duty (AD/CVD) investigation on solar cell imports from India, Indonesia and Laos. The DOC determined that solar cell and panel producers and exporters from these countries have been dumping solar products into the U.S. market at unfairly low prices and have benefited from…
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Energy Understood. All Factored In.
US solar advocacy closes ranks; SEIA and CCSA to consolidate
16 Sep 2026 at 6:54pm
by Paul GerkeLeading renewable energy advocacy groups, the Solar Energy Industries Association (SEIA) and Coalition for Community Solar Access (CCSA), announced today that they will join forces, pending approval from each organization’s Board of Directors.

Why Texas builds, and everyone else waits
16 Sep 2026 at 2:11pm
by Sabah BayatliWhen it comes to developing, owning, and operating utility-scale renewable energy projects, there is the ERCOT standard- and then there is everybody else, writes contributor Sabah Bayatli, president of OCI Energy.

Flexible interconnection promises speed to power for utilities, data center developers | Q&A with Camus Energy
15 Sep 2026 at 4:52pm
by Paul GerkeCamus Energy's FlexConnect software promises to shave three to five years off typical interconnection wait times utilizing flexible operating limits within existing infrastructure.

Brazil’s São Simão hydro plant sees ‘accelerated’ modernization in GE Vernova project
15 Sep 2026 at 7:00am
by Sean WolfeSPIC Brasil and GE Vernova completed the modernization of Generating Unit 3 at the São Simão Hydroelectric Power Plant in Minas Gerais and Goiás.

The U.S. is sitting on a gold mine of untapped hydropower potential
14 Sep 2026 at 7:36pm
by Sean WolfeResearchers at the Department of Energy’s Oak Ridge National Laboratory and Idaho National Laboratory found that non-powered dams in the U.S. could generate 15.2 terawatt-hours of electricity annually.

Meet the editor: Bethany Bashioum joins Factor This Power Engineering
14 Sep 2026 at 1:28pm
by Bethany BashioumBethany Bashioum joins Factor This Power Engineering, covering the power generation beat, including renewables, gas, and nuclear.

A fantasy flight of fancy | Factor This Brief
14 Sep 2026 at 9:55am
by Paul GerkeThe U.S. solar market continues to boom, an ERCOT storage project is energized in just six weeks, Suniva plans to build a second solar cell facility, OCI and Arava break ground in Texas, a nuclear startup raises another $50M, and more Soluna clean computing power comes online.

China’s solar gambit pays off — This Week in Cleantech
11 Sep 2026 at 2:15pm
by Paul GerkeOn this episode of the This Week in Cleantech podcast, Tim McDonnell of Semafor discusses how solar has overtaken coal as China's top power source for the first time, after a massive buildout.

Beyond cannibalization: Structuring hybrid renewables for bankable returns
11 Sep 2026 at 10:00am
by Alex MatthewsThe European renewable energy industry is pivoting to hybridization- combining wind and solar assets with battery energy storage- to improve capture rates and restore revenue quality.

How dank are your weeds? Inside a Portland utility’s novel wildfire prevention plan
11 Sep 2026 at 9:03am
by Sean WolfePortland General Electric is launching a "first of its kind" wildfire research program that involves measuring the moisture levels in live plants to learn how vegetation conditions can influence wildfire risk.
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