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

Terra-Gen completes 3rd phase of southern California utility solar project
20 May 2026 at 6:40pm
by Billy Ludt
Renewable energy developer Terra-Gen marked commercial operations at its 125-MW Lockhart III solar project in San Bernardino County, California. “The expansion of the Lockhart project underscores Terra-Gen’s commitment to continue developing clean, reliable energy resources critical to meeting the growing demand in California and nationwide,” said John O’Connor, CEO for Terra-Gen. “We are proud to… The post Terra-Gen completes 3rd phase of southern California utility solar project appeared first on Solar Power World.

ConnectDER meter collar compatible with EcoFlow home backup storage
20 May 2026 at 6:31pm
by Billy Ludt
ConnectDER, a meter collar manufacturer for rooftop solar, energy storage and EV charging installations, has integrated its IslandDER Meter Socket Adapter with EcoFlow‘s OCEAN Pro home backup battery system. Installs have started in key solar markets with increasing battery attachment rates, including California, Arizona, Illinois, Florida and Texas. With this integration, solar-plus-storage installers can now… The post ConnectDER meter collar compatible with EcoFlow home backup storage appeared first on Solar Power World.

Trina launches third generation of Elementa BESS, now reaching 6.25 MWh
20 May 2026 at 5:29pm
by Kelly Pickerel
Trina Storage has launched the latest generation of its utility-scale storage product, Elementa 3. Elementa 3 is equipped with Trina Storage’s in-house 587-Ah high-capacity cell, increasing single-container capacity to 6.25 MWh. Through optimized module and enclosure design, the product delivers a 12.3% improvement in module energy density compared with the previous generation. Its compact system… The post Trina launches third generation of Elementa BESS, now reaching 6.25 MWh appeared first on Solar Power World.

5-MW solar project on closed Minnesota landfill now complete
20 May 2026 at 5:15pm
by Kelly Pickerel
Cedar Creek Energy, Connexus Energy and Kearsarge Energy have brought Minnesota’s first solar project built on a Minnesota Pollution Control Agency-managed closed landfill online. “This project represents what’s possible when utilities, developers, regulators and state leaders work together toward long-term energy solutions,” said Alex Gast, chief operating officer of Cedar Creek Energy. “Cedar Creek Energy… The post 5-MW solar project on closed Minnesota landfill now complete appeared first on Solar Power World.

IREC study grades each state’s interconnection practices
20 May 2026 at 2:35pm
by Billy Ludt
The Interstate Renewable Energy (IREC) council has published its latest “Freeing the Grid” study, which evaluates how well each state interconnects distributed energy resources (DERs), such as solar and energy storage. IREC compiles “Freeing the Grid” in collaboration with Vote Solar. The study only considers statewide interconnection policies. Out of all 50 states, New Mexico… The post IREC study grades each state’s interconnection practices appeared first on Solar Power World.

OCI, CPS break ground on 480-MWh Alamo City BESS project
20 May 2026 at 11:52am
by Kelly Pickerel
OCI Energy and CPS Energy have broken ground on the Alamo City BESS in Bexar County, Texas. The 120-MW/480-MWh system is expected to come online in 2027. “This project represents a significant step forward toward realizing a more resilient, reliable energy system that San Antonians can be truly proud of,” said Sabah Bayatli, President, OCI… The post OCI, CPS break ground on 480-MWh Alamo City BESS project appeared first on Solar Power World.

Enbridge developing 365-MW solar + storage project for Meta data centers
19 May 2026 at 8:08pm
by Billy Ludt
Enbridge is developing the Cowboy Project, a 365-MW solar and battery energy storage project in Wyoming to support Meta’s data center operations. The first phase of the Cowboy Project being built near Cheyenne, Wyoming, expands Enbridge’s partnership with Meta, which now totals approximately 1.6 GW of contracted capacity across North America. “The first phase of… The post Enbridge developing 365-MW solar + storage project for Meta data centers appeared first on Solar Power World.

Florida DOT leases potentially all its stormwater ponds for floating solar development
19 May 2026 at 3:22pm
by Kelly Pickerel
Floating solar contractor D3Energy has signed a master lease with the Florida Dept. of Transportation (FDOT) to serve as the exclusive developer of floating solar systems on FDOT stormwater ponds. D3Energy’s first project under the framework, a floating solar array on an FDOT pond in Orlando, was fully commissioned earlier this year. “In Florida, the… The post Florida DOT leases potentially all its stormwater ponds for floating solar development appeared first on Solar Power World.

Reading, Pennsylvania solar project will support city operations
19 May 2026 at 1:22pm
by Billy Ludt
Reading, Pennsylvania, started construction on a 4,255-panel solar project being installed across city facilities. The arrays will be built at Reading’s public works campus and Cedar Street parking lot near city hall, and will cover those facilities’ electricity costs once completed. Through Pennsylvania’s Guaranteed Energy Savings Act (GESA), the project is estimated to save the… The post Reading, Pennsylvania solar project will support city operations appeared first on Solar Power World.

SMA now assembling medium-voltage power stations in Arkansas
19 May 2026 at 12:55pm
by Billy Ludt
Inverter manufacturer SMA is opening a new integration facility in North Little Rock, Arkansas, supporting domestic delivery of its medium-voltage power station (MVPS) solutions. SMA announced in January that it was working with CEP on MVPS integrations. By integrating MVPS solutions in the United States, SMA and longtime business partner CEP hope to reduce project… The post SMA now assembling medium-voltage power stations in Arkansas appeared first on Solar Power World.

Recheck launches certified solar sales rep credential program
19 May 2026 at 12:01pm
by Kelly Pickerel
Residential solar compliance platform Recheck has launched its Certified credential program. Recheck Certified signals that a sales rep has completed Recheck’s ethical sales training program, agreed to uphold a stringent code of conduct, passed a targeted background check and is subject to ongoing performance monitoring. Violations of the code of conduct can result in the credential… The post Recheck launches certified solar sales rep credential program appeared first on Solar Power World.

Delta Electronics’ on-site microgrid to provide valuable solar + storage insights
18 May 2026 at 6:05pm
by Kelly Pickerel
Delta Electronics has completed a microgrid system at its facility in Detroit, Michigan, developed in partnership with local utility DTE Energy. Unlike conventional power systems, this microgrid connects directly through a medium-voltage DTE Energy interconnection, enabling Delta to test grid-interactive energy strategies under live utility conditions and, in the future, to actively support the grid. The… The post Delta Electronics’ on-site microgrid to provide valuable solar + storage insights appeared first on Solar Power World.


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Energy Understood. All Factored In.

A huge 5 GWh thermal energy storage system is now delivering power to a South Dakota biofuels facility
20 May 2026 at 7:34pm
by Sean Wolfe
POET and Antora Energy commissioned a 5 gigawatt-hour thermal energy storage system at POET's Big Stone City, South Dakota facility, enhancing bioethanol production.



Hull Street Energy to acquire FirstLight’s hydro, pumped storage assets
20 May 2026 at 4:39pm
by Sean Wolfe
Hull Street Energy has signed an agreement to acquire FirstLight from the Public Sector Pension Investment Board, gaining renewable assets in the Northeast, pending federal approval.



Battery energy storage is foundational to the AI economy
20 May 2026 at 2:47pm
by Jeremiah Karpowicz
Fluence chief growth officer Jeff Monday suggests battery storage is essential infrastructure for data centers at DTECH Data Centers & AI.



New white paper redefines cable management best practices for utility-scale bifacial solar installations
20 May 2026 at 2:25pm
by Paul Gerke
Arizona State University and Affordable Wire Management share research showing rear-hanging cable bundles have negligible effects on photovoltaic module performance.



Rethinking AI: Why conventional AI is failing the grid, and what a new architecture does differently
20 May 2026 at 1:32pm
by Paul Gerke
A new white paper by eSmart Systems introduces Adaptive AI for power grid inspections, addressing challenges with traditional models and enhancing operational efficiency.



MISO plans over 200 miles of new transmission across Illinois for $1.6B
19 May 2026 at 8:21pm
by Sean Wolfe
The Midcontinent Independent System Operator selected a consortium for two 765-kV transmission projects in Illinois, costing over $1.6 billion.



Utilities at a crossroads: Adopt distributed solar or risk becoming a backup plan
19 May 2026 at 11:00am
by Paul Gerke
Distributed solar and storage aren't going away, writes contributor Deep Patel, and utilities now face a choice: adapt to that reality, or risk being sidelined.



Will the power industry meet the moment? At DTECH Data Centers and AI, utilities take the floor
18 May 2026 at 7:39pm
by Kevin Clark
Forecasts are climbing, public opposition is hardening and traditional planning processes are being rebuilt. Speakers from Salt River Project, Arizona Public Service, Portland General Electric and Georgia Power described how they are responding.



Wave energy prototype online: A EuropeWave project is now connected to the grid
18 May 2026 at 6:04pm
by Sean Wolfe
IDOM Consulting deployed its MARMOK-A-5 wave energy converter at the Biscay Marine Energy Platform in Spain, marking a milestone for EuropeWave.



Marine energy for maritime surveillance? Ocean Power Technologies’ latest deployment supports DHS operations
18 May 2026 at 5:27pm
by Sean Wolfe
Ocean Power Technologies announced the deployment of three PowerBuoy systems for U.S. Department of Homeland Security maritime surveillance off California.




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