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A RETC employee examines a junction box on the back of a bifacial solar module

Latest RETC solar module quality report reveals significant issues

While 19 manufacturers received recognition as high achievers in RETC’s 2026 testing sequences, problems with ultraviolet-induced degradation in solar modules persist, while failing “red flag” scores increased in tests for damp heat and thermal cycling.
Ben Zientara
3 hours ago
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ACP map of clean project pipeline

The pipeline for new U.S. solar and energy storage surges as wind dies down: report

According to a new report from the American Clean Power Association, cumulative clean power capacity in the U.S. hit 370 GW in Q1, enough to power 80 million homes. The pipeline for new projects grew 6% over the previous year, but planned auditions of land-based wind stagnated and offshore wind slipped 33% below the previous year.
Ben Zientara
8 hours ago
View article
Ampacity training in the field

Ampacity expands its menu of tracker installation training options for U.S. installers

The company’s customer success services teams provide the training throughout the U.S. to customers it supplies with structural solar products.
Ben Zientara
10 hours ago
View article

The case for vehicle-integrated photovoltaics in disaster zones

A new IEA PVPS report makes a rigorous case that solar electric vehicles are not just transport, but rather a distributed, mobile, fuel-free emergency energy network that could redefine disaster preparedness.
IEA-PVPS
11 hours ago
View article
Aerial view of Google data center in Iowa

How power conversion and controllable delivery help AI data centers improve resilience and manage energy costs

Delays in U.S. grid connections and rising AI energy demands are driving data centers to invest in on-site generation. Effectively integrating these assets using robust power conversion and control systems ensures operational resilience and helps manage escalating costs.
Andy Han
12 hours ago

Opinion & Analysis

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The case for vehicle-integrated photovoltaics in disaster zones

A new IEA PVPS report makes a rigorous case that solar electric vehicles are not just transport, but rather a distributed, mobile, fuel-free emergency energy network that could redefine disaster preparedness.
IEA-PVPS
11 hours ago
View article
Aerial view of Google data center in Iowa

How power conversion and controllable delivery help AI data centers improve resilience and manage energy costs

Delays in U.S. grid connections and rising AI energy demands are driving data centers to invest in on-site generation. Effectively integrating these assets using robust power conversion and control systems ensures operational resilience and helps manage escalating costs.
Andy Han
12 hours ago
View article
Solar panels on large racks embedded in concrete footings

The hidden underperformance crisis in solar portfolios

Solar technology has come a long way. Modules are more efficient, inverters are more capable, and system design has become increasingly refined. On paper, the industry is positioned to deliver highly predictable performance. But in the field the story is often different.
Nader Yarpezeshkan
Jun 02, 2026
View article

Anker Solix E10 deep dive review: The alternative to the whole-home generator

An engineer and home-energy enthusiast installs the Anker Solix E10 on a fire-prone California hillside, and documents the entire process in a deep dive review for ESS News.
Andrew R
May 22, 2026

Technology & Products

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A RETC employee examines a junction box on the back of a bifacial solar module

Latest RETC solar module quality report reveals significant issues

While 19 manufacturers received recognition as high achievers in RETC’s 2026 testing sequences, problems with ultraviolet-induced degradation in solar modules persist, while failing “red flag” scores increased in tests for damp heat and thermal cycling.
Ben Zientara
3 hours ago
View article

Siemens and Fluence complete NVIDIA battery framework for AI data centers

New reference design for high energy density data centers developed ahead of expected ramping up of AI data center deployment. Design incorporates Fluence BESS, Siemens power skids and nVent liquid cooling technology.
Matthew Lynas
13 hours ago
View article

Nextpower files patent lawsuit against Gamechange

In a lawsuit filed in the US District Court of Delaware, Nextpower alleges that Gamechange Energy has infringed on three of its patents related to tracker technology and software. Gamechange has denied the infringements and says it plans to mount a full defense. 
Mark Hutchins
Jun 02, 2026
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Trina Solar announces 907 W tandem solar module with 29.2% efficiency

The module achieved a full-panel conversion efficiency of 29.2% in testing by Germany’s TÜV SÜD and is designed for mass production rather than laboratory-scale use.
Vincent Shaw
Jun 01, 2026
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The Tandem PV demonstration module under test conditions

Tandem PV announces 30.4% efficient perovskite/silicon demonstration module

The 100 cm² mini-module, featuring the company’s proprietary 4-terminal perovskite glass layer atop a high-efficiency Maxeon IBC silicon solar cell, is now in third-party certification. Company CEO Scott Wharton says the breakthrough paves the way for full-size modules that hit 28% efficiency later this year, aimed at the utility-scale market.
Ben Zientara
Jun 01, 2026
View article
Mapa de la ACP de Estados Unidos que muestra instalaciones de fabricación de energía limpia actuales y previstas.

The U.S. will have more than 950 clean energy manufacturing facilities by 2030: report

A report from the American Clean Power Association says 825 existing clean energy manufacturing facilities currently support more than 215,000 American jobs at wages 35% higher than the average, contributing $31 billion to the U.S. GDP annually. The number of jobs is expected to grow to 374,000 by 2030.
Ben Zientara
May 29, 2026
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Nextpower gets into energy storage

Nextpower joins the BESS market with an eye on the enormous opportunity as the AI data center build-out continues to rely on power.
Tristan Rayner
May 29, 2026
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Markets & Policy

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View article
ACP map of clean project pipeline

The pipeline for new U.S. solar and energy storage surges as wind dies down: report

According to a new report from the American Clean Power Association, cumulative clean power capacity in the U.S. hit 370 GW in Q1, enough to power 80 million homes. The pipeline for new projects grew 6% over the previous year, but planned auditions of land-based wind stagnated and offshore wind slipped 33% below the previous year.
Ben Zientara
8 hours ago
View article
Solar panels mounted on racks in a clover field

U.S. renewables buyers encouraged to act fast in a complex market

A recent Trio report examines major factors influencing the renewable energy market in the first half of 2026, including tax credit reforms, pricing of renewable energy credits and power purchase agreements and community solar.
Anne Fischer
12 hours ago
View article

HDM Renewable Finance rebrands as Maxwell Power, raises additional funding

A recent investment by Fairtide Partners brings its total commitment to more than $1 billion for Maxwell Power’s projects.
Anne Fischer
Jun 02, 2026
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The rebranded logo shown above a large-scale solar installation

GameChange Energy consolidates its many divisions under a single brand name

The company’s former brands, GameChange Solar and GameChange BOS, will now operate under the GameChange Energy brand name.
Ben Zientara
Jun 02, 2026
View article
Photo of construction equipment at SEG Solar facility

SEG Solar announces third U.S. manufacturing site

The company says the planned 4.6 GW facility will bring its total domestic capacity to 10.6 GW and support its transition to next-generation HJT cell technology.
Ben Zientara
Jun 01, 2026

Applications & Installations

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Ampacity training in the field

Ampacity expands its menu of tracker installation training options for U.S. installers

The company’s customer success services teams provide the training throughout the U.S. to customers it supplies with structural solar products.
Ben Zientara
10 hours ago
View article
Aerial view of Google data center in Iowa

How power conversion and controllable delivery help AI data centers improve resilience and manage energy costs

Delays in U.S. grid connections and rising AI energy demands are driving data centers to invest in on-site generation. Effectively integrating these assets using robust power conversion and control systems ensures operational resilience and helps manage escalating costs.
Andy Han
12 hours ago
View article

Global battery additions reached 108 GW in 2025, according to IEA

Battery energy storage system (BESS) deployment beats historical peak for gas-fired power additions, according to international Energy Agency (IEA) data. Record year for capacity additions driven by utility-scale battery storage segment.
Matthew Lynas
13 hours ago
View article
Solar panels on large racks embedded in concrete footings

The hidden underperformance crisis in solar portfolios

Solar technology has come a long way. Modules are more efficient, inverters are more capable, and system design has become increasingly refined. On paper, the industry is positioned to deliver highly predictable performance. But in the field the story is often different.
Nader Yarpezeshkan
Jun 02, 2026
View article

Floating solar developer signs statewide lease on Florida highway stormwater ponds

D3Energy’s statewide lease with FDOT could offer a new model for deploying floating solar on underused public infrastructure, helping address land-use and permitting challenges facing the U.S. solar industry.
MaryElizabeth Q. Mooney
Jun 02, 2026
View article
A team of GRID Alternatives volunteers working

BlueHub Loan Fund enables GRID Alternatives to leverage $45 million for low-income solar

$2.5 million in BlueHub financing has allowed GRID Alternatives to safe-harbor a supply of Enphase microinverters, securing access to federal tax credits and private equity as it builds its pipeline of solar installations for 2,500 low- and moderate-income households.
Ben Zientara
May 28, 2026
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Ohio Supreme Court pauses 800 MW agrivoltaic project over visual simulation rules

The state’s highest court has remanded the Oak Run Solar application back to regulators, ruling that developers must provide public-view simulations of major substation infrastructure before construction can proceed.
Ryan Kennedy
May 27, 2026
pv magazine
pv Global May issue
  • pv magazine publishes monthly and quarterly magazines in English and German and operates daily industry news channels covering specific markets.
  • With its independent, technology-focused reporting, pv magazine 
concentrates on the latest developments in the solar PV and energy storage markets and local industries.

Research & Development

See all
View article

The case for vehicle-integrated photovoltaics in disaster zones

A new IEA PVPS report makes a rigorous case that solar electric vehicles are not just transport, but rather a distributed, mobile, fuel-free emergency energy network that could redefine disaster preparedness.
IEA-PVPS
11 hours ago
View article

MIT team develops room-temperature lithium process from spodumene

A low-temperature process that dissolves spodumene ore with a common industrial reagent and recovers lithium, aluminum, and silica streams in a closed loop could cut hard-rock lithium extraction costs by roughly half, say MIT researchers.
Brian Publicover
Jun 01, 2026
View article
The Tandem PV demonstration module under test conditions

Tandem PV announces 30.4% efficient perovskite/silicon demonstration module

The 100 cm² mini-module, featuring the company’s proprietary 4-terminal perovskite glass layer atop a high-efficiency Maxeon IBC silicon solar cell, is now in third-party certification. Company CEO Scott Wharton says the breakthrough paves the way for full-size modules that hit 28% efficiency later this year, aimed at the utility-scale market.
Ben Zientara
Jun 01, 2026
View article
A technician performs mechanical load testing on a solar module in the Kiwa PVEL testing laboratory

Kiwa PVEL’s 2026 solar module reliability scorecard reveals high failure rates amid incremental increases in performance

For the first time in the independent testing laboratory’s 12-year history, no single module has achieved the coveted “top performer” rating in all tests, and a record 87% of manufacturers experienced at least one failure during testing.
Ben Zientara
May 27, 2026
View article

State-level permitting cuts solar siting conflict, new database shows

A UMass Amherst study of 686 large-scale installations tracks public opposition across the United States, revealing that more than half of all projects face little to no local pushback.
Ryan Kennedy
May 26, 2026