UK Solar PV Wholesaler and Trusted B2B Distributor
Alternergy is a UK leading, award winning B2B solar PV distributor and trade only wholesaler, supplying installers with high quality solar panels, inverters, battery storage systems, PV mounting solutions and EV charging equipment.
From residential rooftops to large commercial and industrial projects, we provide in stock products, expert technical support and fast UK wide delivery, making us the trusted solar PV supplier for professional installers.
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Product Highlights
Explore Our Battery Storage Systems
Alternergy offers a wide range of reliable, top-tier residential and commercial battery energy storage for businesses from leading brands such as GoodWe, Sungrow, Dunext, and Sunwoda - 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 Brands
These are just some of the solar brands we supply to UK installers. Click a logo to explore that brand, orbrowse our full range online ➜
These are just some of the solar brands we supply to UK installers. Click a logo to explore that brand, orbrowse our full range online ➜
Why Installers Choose Alternergy
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.
We supply a wide range of advanced solar products from globally recognised manufacturers, including solar panels from DAS Solar, Tongwei, TCL SunPower, Viridian, and Trina Solar, as well as solar inverters from GoodWe, Haier, and Sungrow.
Our product portfolio also features high-performance solar battery storage systems from Dunext, GoodWe, Haier, Sungrow, and Sunwoda, with models suited to residential, commercial, and industrial (C&I) installations, depending on brand and specification.
We stock roof-integrated solar solutions from Viridian Solar and S4 In-Roof Mounting, as well as K2 Mounting Systems, EV chargers, and a full range of PV accessories, all designed to enable efficient installations that comply with MCS standards.
services to fit the unique needs of businesses across various sectors, helping them grow and succeed in a competitive market.