24 Eki, 2025

District court rules renewable energy must be considered in Puerto Rico energy rebuild

Conservation and community groups have won a legal challenge to federal plans to spend billions of dollars to rebuild Puerto Rico’s electric grid back to the centralized, fossil fuel-dependent status quo instead of investing post-disaster funding in distributed renewable energy. Thursday’s ruling by the U.S. District Court in Puerto Rico holds that the Federal Emergency… […]

Arevon brings 264 MW of solar online in Indiana

Arevon Energy’s latest solar projects, Ratts 1 and Heirloom Solar projects in Pike County, Indiana, are now operational. Together, the projects add 264 MWDC of solar power to the grid. Ratts 1 and Heirloom represent an investment of nearly $400 million and will disburse more than $86 million to local governments over their lifespans, supporting… […]

Xcel Energy proposes 200-MW distributed battery storage network across Minnesota

Xcel Energy released a new proposal to build out a battery storage network across Minnesota, optimizing the state’s energy grid and helping the company meet the growing electricity needs of the communities it serves. Under its Capacity*Connect proposal, Xcel Energy will install up to 200 MW of battery storage resources at strategic locations on the… […]

WattFlow launches new proposal software for C&I energy storage, microgrids

WattFlow, a new software platform for C&I energy storage and microgrid sales teams, has officially launched. Designed to streamline project qualification and proposal creation, WattFlow enables sales professionals to generate accurate, customer-ready proposals in less than ten minutes. Traditionally, sales teams in the C&I storage market face long delays waiting on engineering support to model… […]

Bowman acquires solar modeling company Sierra Overhead Analytics

Bowman Consulting Group, a national engineering services and project management firm, has acquired the assets of California-based Sierra Overhead Analytics (SOA) and its technology affiliate ORCaS. SOA is an engineering firm providing technology-centric civil design, precision mapping and hydrology services to a wide range of energy and general infrastructure customers. ORCaS provides proprietary tools for… […]

Scientists break Shockley-Queisser efficiency limit for silicon solar cell in experiment

A Chinese-US research group claims to have achieved a power conversion efficiency of over 50% in an n-type single-junction solar cell by inhibiting light conversion to heat at extremely low temperatures. The result was achieved at temperatures of 30-50 Kelvin, which are a few tens of degrees above absolute zero. From pv magazine Global Researchers […]

Solar pricing needs a reality check

Sustainable projects depend on prices — and suppliers — that hold up under compliance, delivery and long-term performance requirements. At RE+ in Las Vegas, one of the dominant themes was pricing across the solar supply chain. Numbers were being shared that sounded almost too good to be true and, in many cases, were. Some offers […]

Domestic content, TPO-readiness take center stage at RE+ 2025 solar and storage trade show

Booths across the show floor in Las Vegas, Nevada touted the occupants’ onshoring bona fides. Despite headwinds from shifting federal policy, the 2025 RE+ conference was nearly as big as ever. More than 37,000 attendees walked the halls of the Venetian Expo Center and Caesar’s Forum in Las Vegas during the event. One symbol of […]

U.S. grid-scale storage leaps 63%, residential storage 132%

The utility-scale energy storage sector added 4.9 GW in Q2, representing 63% year-on-year growth, while residential storage increased by 608 MW, said a report from American Clean Power Association and Wood Mackenzie. The United States had a record quarter for battery energy storage deployment in Q2 2025, adding 5.6 GW of installations, said a report […]