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Solar met 61% of U.S. electricity demand growth in 2025 as battery surge transforms the grid

A record-breaking year for solar generation and a leap in battery capacity have shifted the U.S. energy landscape, turning solar into a primary workhorse for meeting the nation's surging power needs.
Markets & Policy

New York study finds distributed solar and storage could save ratepayers $1 billion annually

The report suggests expanding 2035 targets for local clean energy to 20 GW to mitigate wholesale price volatility and improve winter reliability.
Markets & Policy

MGM Resorts achieves 100% daytime solar power on Las Vegas strip

Output from Estuary Power’s recently-completed Escape Solar and Storage project more than doubles MGM’s share of solar energy.
Announcements

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How to make the right inspection decisions for solar assets: from the factory to the field

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SunRise Arabia Clean Energy Conference 2026

Join the 3rd SunRise Arabia Clean Energy Conference on April 22, 2026, in Riyadh to explore how solar PV and energy storage are powering the Kingdom’s growing digital economy — including data centers. Secure your spot at the early-bird rate.

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Upcoming Webinar+

Join our ticketed webinar for an in-depth look at the evolving solar module pricing landscape. Discover pricing trends, supplier risks, and contract strategies to help you purchase smarter, negotiate effectively, and strengthen your PV projects.Webinar+ Global Jan 28

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Battery Business & Development Forum 2026

Connect with Europe’s energy storage leaders at the Battery Business & Development Forum 2026 in Frankfurt (March 31–April 1) and gain insights into evolving business models, financing strategies, and market trends

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Unlocking affordable, reliable power for Saudi data centers with PV & Storage

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Webinar+ | The Solar Module Market Playbook: managing pricing, risks, and other procurement challenges

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Utility equipment shakeup: Sigenergy enters the large-scale segment

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Navigating C&I solar and storage from concept to commissioning

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Markets & Policy

What it’s like to build grid-scale batteries in Texas versus California

While both markets face ancillary market saturation, it has very different consequences in CAISO than in ERCOT.
Markets & Policy

Global solar corporate funding reached $22.2 billion in 2025

While global solar corporate funding in 2025 fell to the lowest level recorded since 2020, deal count rose to its highest level since 2017. Mercom Capital Group says investors favored smaller, lower-risk, execution-ready projects last year amid policy un...
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Technology

New design specifications for sodium-ion batteries

U.S. scientists used density functional theory to reveal how sodium ions are stored in nanoporous carbon anodes for sodium-ion batteries, identifying dual ionic and metallic storage mechanisms within the pores. Their findings provide practical design gui...
Installations

Duke Energy Florida unveils green hydrogen demonstration facility

The facility will use solar power to generate hydrogen used to run a modified GE Vernova combustion turbine during times of peak grid demand.
Markets & Policy

First Solar wins key round in TOPCon patent dispute

The federal patent office rejected separate challenges from JinkoSolar, Canadian Solar and Mundra Solar to invalidate intellectual property that First Solar claims is fundamental to the manufacturing of crystalline silicon solar cells.

Press Releases

Data Center Reliability Comes Home: FranklinWH Earns TIA-942 Certification

FranklinWH has set a new global benchmark for home energy reliability by becoming the world's first residential battery system to earn TIA-942 Rated 1-4 certification, the same data-center standard trusted for always-on infrastructure. The certification independently verifies enterprise-grade resiliency, redundancy, and UPS-level power delivery, bringing proven data-center reliability into the home.

Voltage Energy Secures Industry’s First Full-System 2kV EBOS Certification from UL Solutions

Chapel Hill, December 15, 2025 /PRNewswire/ ——- In December 2025, UL Solutions awarded Voltage Energy Group (“Voltage Energy”) a certification for its full-system electrical balance of system (EBOS) solution for 2kV photovoltaic (PV) cable applications covering the LYNX®, IBEX®, IBEX PLUS®, and ALEX® product series to UL 9703.

Solesca Launches ARGUS 1.0 AI Auto-Obstruction Detection Feature

Solesca is launching a AI auto-obstruction detection feature

Stewart Glass: The First U.S. Solar Glass Facility

Stewart Glass is establishing the first fully operational solar glass facility in the United States, opening March 2026 in Logan, Ohio. Producing 150 tons per day of 3.

Installations

Featured

Duke Energy commissions 50 MW battery storage project at former coal site

The utility activated a four-hour duration lithium-ion system at its retired Allen Steam Station to manage rising solar capacity and provide grid reliability in the Carolinas.

Solar to surge 49% as EIA forecasts 70 GW of new capacity by 2027

Utility-scale solar is set to meet rising data center demand as generation in Texas nearly doubles and battery storage capacity in ERCOT more than triples by 2027.

Yale Divinity School selects Luma Solar PV roofing shingles for a 200 kW roof

A Luma Solar roofing system with integrated PV is now a key feature of a sustainable building on the Yale University campus.

Treaty Oak Clean Energy begins construction on 385 MW Louisiana solar portfolio

Two projects in Morehouse and Sabine parishes will provide power to Meta.

Three massive grid-scale battery projects move ahead in Texas, California

Texas and California lead the latest energy storage surge with SolarMax and Spearmint advancing major projects, a Texas developer securing 10 GWh for data centers, and Ormat and Terra-gen commissioning 655 MWh of new capacity.

Island BESS: 400 MWh of batteries for Puerto Rico, first standalone project in Hawaii

Construction is underway on two projects with a cumulative capacity of 400 MWh in Puerto Rico. Meanwhile, Hawaiian Electric has broken ground on a 160 MWh project – the island’s first of its kind.

Manufacturing

Featured

Beyond the tariff wall: How Heliene is navigating the 2026 regulatory pivot

Heliene CEO Martin Pochtaruk explains how strategic R&D and "FEOC-free" sourcing are essential for navigating 2026’s evolving domestic content requirements and trade barriers.

Joint venture NeoVolta Power will bring BESS manufacturing to Georgia

The partnership with PotisEdge and LONGi marks NeoVolta’s first move into domestic manufacturing.

China extends anti-dumping duties on solar-grade silicon from U.S.

The duties range from 53.3% to 57% for U.S. producers and from 2.4% to 48.7% for South Korean companies and will remain in force for a further five years.

Solar module prices lagging behind soaring silver costs

Solar manufacturers are facing rising cost pressure as silver paste now accounts for up to 30% of total cell production costs. OPIS analyst Hanwei Wu tells pv magazine that module producers currently have limited ability to raise panel final prices, which is accelerating efforts to reduce silver use across all mainstream cell technologies.

TOYO secures U.S. polysilicon to navigate solar trade barriers

The agreement establishes a dual-source supply chain to support regulatory compliance for TOYO’s solar manufacturing operations in Ethiopia and the United States.

T1 Energy completes $160 million sale of production tax credits

The transaction involves Section 45X credits generated from solar module manufacturing through December 2025.

Markets & Policy

Featured

Global BESS demand jumps 51% in 2025 as installations top 300 GWh

Iola Hughes, Head of Research at Benchmark Mineral Intelligence, tells ESS News that 2026 is set to be another strong year for BESS, with forecast additions exceeding 450 GWh and no material supply constraints in sight. Meanwhile, the initial impact of rising lithium prices is already visible at the cell level, but the full effect has yet to ripple through to system pricing.

Copeland releases sanitary water heat pumps

US-based Copeland has launched its Sensi Hydro sanitary water heat pump designed to provide energy-efficient hot water for hotels, commercial buildings, and public facilities. The units feature ZW scroll compressors, independent refrigerant circuits, and backup mode to ensure reliable hot water supply.

Enphase on how distributed energy assets could boost data centers

With data center loads looming and residential batteries evolving from providing backup to becoming grid assets, Krapels argues the industry must move from the old idea of “save with solar” to “get Enphase, get paid.

Amazon acquires 1.2 GW Sunstone solar project from bankrupt Pine Gate Renewables

A federal judge approved the asset sale this week following a bankruptcy auction for the Oregon solar and storage site.

Fluence supplies 1.2 GWh Arizona project, NextVolt sells 1 GWh battery

NextVolt has offloaded a 1 GWh battery energy storage system (BESS) to Exus Renewables which will take on ownership long-term. Menawhile, the developers of a 1.2 GWh BESS in Arizona have partnered with Fluence for its GridStack Pro system.

Tesla offers new all-black solar module for residential applications

The launch of the new product suggests Tesla could renew its focus on residential solar and expand U.S. lease options with Powerwall.

Technology

Featured

Researchers achieve record perovskite solar module stability under light, heat, and UV stress

An international research team has developed a new two-dimensional perovskite interlayer based on a co-crystal engineering strategy for more robust perovskite films. It demonstrated improved performance in small area perovskite solar cells and, in a 48 cm2 module, contributed to retain 95% of initial efficiency after 5,000 h.

Ascent Solar expands frontiers for thin-film PV in space

Company also seeks terrestrial applications for its lightweight, flexible modules.

2026 National Electrical Code changes: PCS and EMS part 2

Power control and energy management systems (PCS and EMS) are powerful tools that will enable the next generation of electrical systems, and the way they are featured in the 2026 NEC is a testament to the ways they can unlock the capability of distributed energy systems and more fully utilize the capacity of electrical infrastructure.

Grid-forming inverters significantly enhance grid stability, national lab finds

The Kauaʻi Island Utility Cooperative in Hawaii, which deployed storage before grid-forming inverters became available, became a test case for diagnosing grid issues that can arise with older grid-following inverters, and how grid-forming inverters can stabilize a grid.

Solar module efficiency could exceed 35% by 2050

A new Perspectives research study on the future of the global PV supply chain outlines how module prices, performance, and lifetimes could evolve over the next 25 years. The work reflects a collaboration among leading solar research institutions worldwide. One of the study’s authors, the director of the Fraunhofer Institute for Solar Energy Systems (ISE), told pv magazine that solar module and cell efficiencies could exceed 35% by 2050, with panel prices expected to drop by a factor of two.

Big Tech turns to solar and storage to bypass grid bottlenecks

Data center developers are co-locating generation and storage to avoid interconnection queues, as the traditional grid is failing to meet power requirements of generative AI, said a report from Wood Mackenzie.

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