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.
We supply top-tier brands from trusted global manufacturers. Click any logo below to explore the brand, orview all our solar brands →
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, and Trina Solar, and solar inverters from Growatt, Huawei, and Sungrow.
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.
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.
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.
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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