Covering the world of solar power technology, development and installation.

Connecticut elementary school strives for environmental stewardship with solar project
11 Aug 2026 at 2:06pm
by Billy Ludt
Andover Elementary School in Andover, Connecticut, in partnership with Titan Energy and Greenskies Clean Energy, recently completed a rooftop solar project designed to support the district’s long-term sustainability goals while stabilizing future energy costs. The solar project required years of planning and collaboration to complete and is part of a broader effort to improve sustainability… The post Connecticut elementary school strives for environmental stewardship with solar project appeared first on Solar Power World.

Fly into Houston and see this unique solar carport design
11 Aug 2026 at 1:34pm
by Kelly Pickerel
A unique solar system at Drake Plastics in Cypress, Texas, has been in operation for eight months and is helping the polymer manufacture achieve 30% overall energy use offset. Trinasolar supplied its Vertex N solar panels for a 1.3-MW rooftop and carport system, with the carport system designed to spell out “Drake.” Spear Commercial &… The post Fly into Houston and see this unique solar carport design appeared first on Solar Power World.

SEG completes construction on 4-GW solar panel factory outside Houston
11 Aug 2026 at 1:06pm
by Kelly Pickerel
SEG Solar last week inaugurated its second U.S. panel assembly site, a 4-GW annual capacity facility in Tomball, Texas. The company also operates a 2-GW panel facility nearby in Houston and is building a third factory in the area. Representing an investment of $200 million and spanning more than 500,000 ft2, SEG’s site in Tomball… The post SEG completes construction on 4-GW solar panel factory outside Houston appeared first on Solar Power World.

OnePlanet says it can get silicon above 95% purity from recycled solar panels
11 Aug 2026 at 12:00pm
by Kelly Pickerel
OnePlanet releases details today of its proprietary, fully automated recycling process that recovers copper, aluminum and high-purity silicon carrying ore-grade silver from end-of-life solar panels. The process, Photovoltaic Recycling through Integrated Systems and Mechanics (PRISM), has completed engineering testing and will be equipped at OnePlanet’s Florida facility in 2027. PRISM is a redesign of the… The post OnePlanet says it can get silicon above 95% purity from recycled solar panels appeared first on Solar Power World.

WoodMac: New domestic inverter manufacturing could meet US solar demand
10 Aug 2026 at 1:38pm
by Billy Ludt
If all planned solar inverter manufacturing expansion is completed, domestic companies could meet demand following the FCC’s ban on new foreign inverter products, according to a market analysis by Wood Mackenzie. There is more than 100 GWAC of new announced solar inverter manufacturing slated to start production before 2028. “The FCC’s intent here is clear.… The post WoodMac: New domestic inverter manufacturing could meet US solar demand appeared first on Solar Power World.

California surpasses 21 GW of energy storage connected to grid
7 Aug 2026 at 7:48pm
by Kelly Pickerel
California has installed more than 21 GW of energy storage across the state, making it one of the largest battery fleets in the world, said the California Energy Commission. When Gov. Gavin Newsom took office in 2019, less than 700 MW of battery storage served the grid. The jump to 21,112 MW is an increase… The post California surpasses 21 GW of energy storage connected to grid appeared first on Solar Power World.

Sol-Ark launches residential inverter commissioning app
7 Aug 2026 at 5:23pm
by Kelly Pickerel
Sol-Ark today launched the MySolArk Installer App, a mobile application that helps professional solar installers commission, document, monitor and manage compatible Sol-Ark residential systems. Designed around the installer workflow, the app guides commissioning teams through system topology, connectivity, hardware validation, battery and grid settings, operating profiles and final verification. Multi-site visibility and shareable commissioning reports… The post Sol-Ark launches residential inverter commissioning app appeared first on Solar Power World.

Tickets now available for Solar Roots Party
7 Aug 2026 at 12:01pm
by Kelly Pickerel
Tickets are now available for the Solar Roots Party, taking place Oct. 30-Nov. 1, 2026, at the Ponderosa Hall-Nevada County Fairgrounds in Grass Valley, California, considered one of the birthplaces of the modern solar industry. As part of the three-day gathering, the feature-length documentary film “Solar Roots – The Pioneers of PV” will make its… The post Tickets now available for Solar Roots Party appeared first on Solar Power World.

Sec. 232 polysilicon results: The price of all imported solar panels is going up
6 Aug 2026 at 9:18pm
by Kelly Pickerel
The Trump administration has revealed the results of the Sec. 232 trade investigation on the polysilicon industry. Each imported solar component consisting of polysilicon — wafers, cells and finished panels — will have a 15% tariff, regardless of country of origin. Polysilicon-only imports will not have a 15% tariff. The tariffs will begin in 120… The post Sec. 232 polysilicon results: The price of all imported solar panels is going up appeared first on Solar Power World.

Heliene lays off nearly 100 workers at Mountain Iron solar panel assembly facility
6 Aug 2026 at 7:20pm
by Kelly Pickerel
Solar panel manufacturer Heliene has permanently laid off 93 employees at its Mountain Iron, Minnesota, solar panel assembly facility, effective Aug. 5, 2026. The jobs are primarily solar panel assembly positions, although some human resources positions were included in the notice. Heliene confirmed to Solar Power World that 182 positions are still active in Mountain Iron.… The post Heliene lays off nearly 100 workers at Mountain Iron solar panel assembly facility appeared first on Solar Power World.

Washington, D.C., water district installs 1.8-MW system through Solar for All program
6 Aug 2026 at 3:27pm
by Kelly Pickerel
Washington, D.C.’s water district DC Water has completed a 1.8-MW solar installation on its Brentwood Reservoir property. Through the Solar for All program, the facility will provide utility bill savings to more than 500 income-qualified D.C. households and up to $3.8 million in lifetime electricity bill savings, advancing D.C.’s climate, clean energy and energy equity… The post Washington, D.C., water district installs 1.8-MW system through Solar for All program appeared first on Solar Power World.

Ørsted adds 500 MWh of Tesla BESS to ERCOT grid
5 Aug 2026 at 7:17pm
by Kelly Pickerel
Ørsted has reached commercial operations of the 500-MWh Old 300 Storage project in Needville, Texas. “Battery energy storage has played a large role in providing much needed power to ERCOT in times of tight supply and demand margins,” said Melissa Peterson, President of Ørsted Americas Onshore. “Achieving commercial operations at our Old 300 Storage project… The post Ørsted adds 500 MWh of Tesla BESS to ERCOT grid appeared first on Solar Power World.


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Energy Understood. All Factored In.

Hydropower faces unique challenges in a worldwide race to acquire transformers
10 Aug 2026 at 9:13pm
by Sean Wolfe
A new report examines how the growing demand for transformers, dependence on imports, and low domestic manufacturing capacity are threatening the nation's hydropower modernization efforts, and some unique challenges that the hydropower industry faces.



CorPower Ocean wins world-first wave energy certification
10 Aug 2026 at 8:33pm
by Sean Wolfe
The certification confirms the system meets DNV’s reliability and safety requirements and marks progress towards utility-scale wave energy.



Hydropower reform comes to Capitol Hill
10 Aug 2026 at 7:51pm
by Sean Wolfe
Several bipartisan bills have been introduced in the House and Senate aiming to shore up hydropower licensing and permitting processes.



Case study | Solar on the reservoir: Engineering tank-mounted PV for municipal water systems
10 Aug 2026 at 4:39pm
by Archit Patnaik
A County of Maui water portfolio in Hawaiʻi used circular concrete storage tanks as low-tilt solar platforms after solving the non-penetration, circular-layout, wind-ballast, and maintenance-access constraints that set tank-mounted PV apart from an ordinary rooftop.



Is it the future yet? | Factor This Brief
10 Aug 2026 at 9:55am
by Paul Gerke
As the reality of nuclear fusion approaches, Base Power attracts a billion bucks and launches a new battery, Eolian starts construction on PJM's biggest BESS, Avantus doubles its credit facility, Antares raises $470M for microreactors, and Sungrow commissions a critical solar-plus-storage project in Sierra Lione.



With speed to power in mind, data centers are eyeing fuel cells – This Week in Cleantech
7 Aug 2026 at 7:06pm
by Paul Gerke
On this episode of the This Week in Cleantech podcast, Heather Clancy from Trellis discusses why some data center companies see fuel cells as an attractive option for onsite power.



How are redefinitions of reliability and resiliency impacting utilities and their customers?  
7 Aug 2026 at 3:13pm
by Jeremiah Karpowicz
Exactly how different utility teams and project stakeholders are approaching the integration of multiple systems to enable reliability will be a focus of DTECH Reliability & Resiliency, August 25-27, 2026.



Relief from energy bills unlikely as utilities request billions in rate hikes
6 Aug 2026 at 4:18pm
by Clarion Energy Content Directors
Consumers are unlikely to see any relief in gas and electric bills as utilities proposed more than $18 billion in rate hikes across the country over the first half of the year.



PJM accepts over 700 generation projects in new ‘first-ready, first-served’ queue
5 Aug 2026 at 7:15pm
by Sean Wolfe
PJM Interconnection hasw announced 715 new generation projects, capable of over 200 gigawatts, qualified for study under a reformed interconnection process.



Hybridizing hydro could ease grid constraints says Ember
3 Aug 2026 at 7:52pm
by Sean Wolfe
A new report from Ember shows that adding wind and solar behind the meter of existing hydro assets could bypass grid constraints.




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