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Explore our Battery Energy Storage Systems
Alternergy offers a wide range of reliable, top-tier residential and commercial battery energy storage for businesses from leading brands such as Huawei FusionSolar, Sungrow, Dunext, Growatt, and Fox - High and Low voltage storage.
The systems meet the needs of customers whether they are looking to power a small residential property or a large commercial installation.
All our batteries and customisable bundles use LiFePO4 technology, which ensures long-lasting performance.
Commercial Battery Energy Storage Systems
Featured Solar Brands
We supply top-tier brands from trusted global manufacturers. Click any logo below to explore the brand, orview all our solar brands →
Trusted Solar Distributor
Alternergy is a UK-leading, award-winning B2B solar PV wholesaler and distributor, supplying high-quality solar panels, inverters, and solar battery storage systems for commercial & industrial (C&I) and residential applications. Our full product range also includes PV mounting solutions and solar EV charging equipment, all designed for seamless integration across domestic and commercial solar installations.
Since 2006, Alternergy has built a reputation as one of the UK’s most trusted solar trade suppliers, known for expertise, value, reliable service, and forward-thinking solutions. We support the UK’s clean energy transition by delivering future-ready technologies to installers, developers, and trade professionals nationwide.
We’ve streamlined the customer journey through efficient online systems. From home installations to large commercial sites, we supply and support solar and battery storage projects across the UK and Ireland, backed by Tier 1 partners and dedicated trade support.
What We Offer – Premium Brands & Strong Partnerships
We supply a wide range of advanced solar products from globally recognised manufacturers, including solar panels, from DAS Solar, Tongwei, and Trina Solar, and solar inverters from Growatt, Huawei, and Sungrow.
Our product portfolio also features high-performance solar battery storage systems from Dunext, Growatt, Haier, Huawei, and Sungrow, with models suited for residential, commercial, and industrial (C&I) installations, depending on brand and specification.
We stock roof-integrated solar solutions from Viridian Solar, mounting systems from K2 Systems, EV chargers, and a full range of PV accessories; all designed to enable efficient and MCS standards-compliant installations.
Sustainability
Installer Hub
Trade Support
Clean Energy Made Affordable
We believe solar energy is essential to tackling climate change. Every PV system we supply supports a low-carbon future.
By offering affordable, high-quality solar energy products and battery storage solutions, we help trade professionals cut emissions, reduce energy costs, and deliver sustainable projects across the UK.
Installer Hub - Tools & Resources
Our PV installation support resources include MCS-compliant documentation, product datasheets, certifications, brochures, and warranty information.
Installers also benefit from our in-house ACE PV design tool, and ongoing updates via our technical blog, dedicated newsletter, and social media - helping them stay informed on the latest products, standards, and solar installation best practices.
Trade Support - More Than a Distributor
With a trade-only e-commerce platform, real-time stock visibility, and fast UK-wide delivery, we help installers deliver solar and battery storage projects efficiently.
For larger commercial and C&I installations, we provide tailored support through close collaboration with partners.
Backed by strong supplier relationships, competitive pricing, and flexible delivery options to suit installers, Alternergy is a trusted partner in UK solar PV and battery storage distribution. Our core values – Quality, Value, and Integrity – shape everything we do.
Need help with solar and battery storage solutions? Contact our support team.
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