Skip to main content Skip to main navigation Skip to site search

All latest news

Same shape, bigger numbers – Solarwatt's second-generation battery

Battery Vision 2.0 brings a sharp capacity jump for Solarwatt

-

Usable capacity per module rises from 2.6 to 4.3 kWh, a 42 percent increase, with towers scaling from 8.6 to 259 kWh across up to ten units.

Commercial storage opens new trading options while reducing electricity costs

Solar Investors Guide #7 – Commercial storage systems

-

Energy costs shape competitiveness in both global and local markets. As fossil and nuclear prices continue to rise, solar and wind are no longer marginal technologies but increasingly represent the smart money in power generation.

Leon Zhang (right) is President of LONGi Solar Europe

LONGi Solar: modules and storage from a single source

-

CEO Talk: The utility business in Europe is growing and increasingly challenging. Solar fields now come with large batteries, and suppliers must meet standards for grid compliance, safety and security. How is the business changing and what strategy will ultimately succeed? Leon Zhang, President of LONGi Europe, shares his view.

Looks great in the hallway, and pays off best on the right tariff

Opinion: a good battery on the wrong tariff is a bad deal

-

Two identical home storage systems can deliver very different savings, depending on the household’s electricity contract, argues Randy Levine, founder of SolarClarity.co. He explains what buyers should check first.

A virtual power plant pools scattered assets and trades them as one

Lithuania – Ignitis gears up its batteries for grid balancing

-

A new module from Oldenburg-based emsys VPP opens the way for the utility to offer its batteries as frequency reserves, twenty months after the Baltic states joined the continental European grid.

AlphaESS and UB Solar teams mark the end of production for the Jonava battery

Lithuania – AlphaESS storage heads for an independent Baltic grid

-

Production is complete on the 60 MW/120 MWh Jonava system, which will earn its revenue from balancing services for Litgrid and trading on Nord Pool.

ABO Energy’s 50 MW Valdezorita solar park in Castilla-La Mancha, one of many new plants competing for midday prices

Spain – solar revenues fall two-thirds as prices go negative

-

So much power now feeds into Spain’s grid at midday that prices often fall to zero or below. A new analysis from rating agency Morningstar DBRS shows how hard this is hitting project finance.

David Niehaus (right) is an expert in commercial storage

Huawei FusionSolar: Luterra S2 residential storage with AI control

-

PV Guided Tours: Huawei’s new Luterra S2 is an all-in-one residential storage unit, installed in minutes, with AI-driven control. The company has also upgraded its commercial storage to deliver more kilowatt-hours. Watch the video for the full picture.

Four tiers of safety, one very large ventilation grille

Aqua E261 packs 261 kWh into each cell-cooled cabinet

-

Clou Electronics and Midea Energy have developed a C&I storage unit for Europe that combines 314 Ah cells with pack and cell-level cooling and up to 90 percent efficiency.

Parking garages are attractive assets that enhance their worth through solar facades.

Solar Investors Guide #5 – Solarised parking and charging

-

The era of petrol and diesel dominance is drawing to a close. Mobility is transitioning to electric, with millions of private electric cars, company fleets, and commercial vehicles creating new demands on the energy supply. Filling stations, parking garages, and parking lots now represent opportunities to provide EVs with solar power.

Florian Achatz (right) is the CEO of mounting specialists Novafixx

NovaFixx: making rooftop installation simpler and safer

-

PV Guided Tours: Speed and simple handling are what installers demand of rooftop mounting. With versatile substructures and just a handful of tools, modules can go onto virtually any roof in record time. Sounds too good to be true? Watch the video.

From IoT sensors to solar farms: the main markets IDTechEx sees for perovskite

Perovskite PV heads for surfaces silicon cannot reach

-

Lightweight warehouse roofs, vehicles, noise barriers, greenhouses and indoor IoT devices could all become markets for perovskite solar. A new IDTechEx report looks at the decade ahead.

Polina Kolodiazhna, who works with Greenpeace on solar for hospitals; behind her, the remains of a hospital in Trostianets struck by Russian rockets

Russia steps up its terror campaign against Kyiv

-

Ukrainians have lived with Russia’s full-scale invasion for years. Since September, attacks have grown more frequent and more brutal. With winter approaching, help is needed more than ever.

In RESS 6, the wind and sun compete in separate pots

Ireland – what RESS 6 means for solar south of the border

-

Bids open on 29 October in the first Irish auction with a separate pot for solar, new EU rules on how bids are scored and extra points for battery storage.

Modules of varying transparency and a conventional film cover protect the apples in Kressbronn

Study: solar canopy cuts apple orchard costs by 21.8 percent

-

Over two years on Lake Constance, Germany's Fraunhofer ISE found that fewer fungicides and quicker manual work more than make up for slightly lower apple yields, before counting the income from the solar modules.

Gordon Gassmann (left) is Vice President of Gotion EMEA.

Gotion: high-voltage storage with grid-forming capability

-

PV Guided Tours: Gotion’s new Grid Q battery system can help stabilise the grid as well as store energy. In this video, we find out how the company is bringing local storage production to the European market.

Stacked modules, minimal footprint: Sigenergy's all-in-one home battery

Sigenstor Neo brings AI-supported backup to home storage

-

Sigenergy's new all-in-one battery offers up to 15 kW in three-phase configurations, LFP modules of 6 kWh and 8 kWh and outage protection for essential household loads.

The simpler the setup, the more modules find themselves leaving the premises

Solar Investors Guide #6 – Minimising risks

-

Investing in solar parks, expansive rooftop systems and cutting-edge battery storage requires patience and a genuinely long-term outlook. Such projects are generally designed to run for twenty years or more, making it crucial to safeguard them against a broad spectrum of risks over their lifespan – an important issue that is still too often neglected.

Johannes Klag (right) is the product manager for energy management and charging solutions at Hager Germany

Hager: in-building energy supply with storage and EV integration

-

PV Guided Tours: Energy management systems integrate not only solar installations and storage but also electric vehicles through bidirectional charging. How does it work, and which functions do such systems offer?