THUNDER ENERGY SERVICES LTD

What THUNDER ENERGY SERVICES LTD does

Thunder Energy Services Ltd is a UK-based private company registered in England and Wales (Company No. 17015962) that designs and sells compact, plug-in solar kits targeted at the roughly half of UK households that cannot install traditional rooftop solar. The company addresses residents of flats, apartments, and rental properties, as well as homeowners with shaded, listed, or structurally unsuitable roofs, operating a direct-to-consumer e-commerce model from its London headquarters (Belle House, 1 Hudsons Place, SW1V 1JT) and delivering to UK mainland addresses only.

The core product line is the Storm family — Storm 360W (£499.99) and Storm 710W (£649.99) plug-in kits built around flexible 178W TOPCon monocrystalline panels (22.7% efficiency) and the Hoymiles HMS-800W-2T microinverter, upgraded to Storm Plus variants that bundle the Vault 1.92 kWh LiFePO4 plug-in battery (£1,499.99–£1,649.99). Underlying technology includes bidirectional AC-coupled battery architecture with IP66 rating, AI-driven Time-of-Use optimization managed via the Hoymiles S-Miles Cloud, and a portfolio of TÜV, CE, RoHS, and IEC-compliant components. Regulatory compliance with BS 7671:2018+A2:2022 and ENA G98/1-8 is positioned as a core differentiator, with certified installation handled by CPS-registered electricians.

Revenue is generated through one-time hardware sales spanning £499.99–£1,649.99 for full kits plus individual panels, microinverters, batteries, and accessories, augmented by professional installation, PV design, and SAP optimisation services. The company lists no third-party retailers and operates exclusively through its own website, with stated reach of 'hundreds of customers.' Hoymiles is the core technology partner for power electronics and monitoring, while the European Commission's PVGIS database underpins the savings calculator. The company is privately held with no disclosed investors, funding rounds, headcount, or management team, making ownership and operational scale a data gap.

Name

THUNDER ENERGY SERVICES LTD

Legal name

Thunder Energy Services Ltd

Website

https://thunderenergy.co.uk

Company type

Private

Operating status

Operating

Short description

Thunder Energy Services Ltd is a UK-based private company that designs and sells compact plug-in solar kits, panels, microinverters, and batteries for flats, balconies, and gardens where traditional rooftop solar is impossible, serving homeowners, renters, and property developers across the United Kingdom via direct-to-consumer e-commerce.

Ownership category

akta.pro rank

Product category

Residential Plug-in Solar Equipment

NAICS

Solar Electric Power Generation (221114), Battery Manufacturing (33591)

SIC

Switchgear & Switchboard Apparatus (3613)

akta.pro primary industry

Solar Inverters, Power Electronics & MLPE (String/Central Inverters, Optimizers, Microinverters) (EUAMABAE)

akta.pro secondary industries

Solar Inverters, Power Optimizers & MLPE Manufacturing (EUAMAHAB), Battery Modules & Packs (Industrial/Commercial pack assembly) (IMAGAHAB), Renewable Distributed Generation (Rooftop/Onsite Solar, Small Wind, Small Hydro) (EUACALAJ), Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)

Keywords

• Plug-in solar kits
• Balcony solar panels
• Residential solar equipment
• Solar battery storage
• Solar installation services

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Marketing or Sales, Personnel, Technology or R&D, Infrastructure

Revenue model

1. Hardware Product Sales: One-time sale of solar kits, individual solar panels, microinverters, batteries, and accessories. Products include Storm 360W (£499.99), Storm 710W (£649.99), Storm Plus 360W with battery (£1,499.99), Storm Plus 710W with battery (£1,649.99), Solar Panel 180W (£142.49-£149.99), HMS-800W-2T Microinverter (£169.99), Vault battery 1920Wh (£1,049.99), and accessories (Y-branch connector £29.99, AC cables £38.99).
2. Installation Services: Professional solar installation services offered as an add-on to product purchases. Includes PV Design and SAP Optimisation services for residential and commercial projects requiring building compliance.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels6 records

Core offering

Thunder Energy Services Ltd designs, sources, and sells compact plug-in solar kits, flexible solar panels, microinverters, and plug-in batteries targeted at UK homes that cannot accommodate traditional rooftop solar. The company bundles flexible TOPCon monocrystalline panels with Hoymiles microinverters into the Storm family of kits, offers a Vault 1.92 kWh LiFePO4 battery for storage, and provides optional professional installation, PV design, and SAP compliance optimisation services. Products are sold primarily direct-to-consumer through the company website with UK-wide delivery.

Product overview

Thunder Energy Services Ltd offers a portfolio of plug-in and balcony solar kits designed for UK homes without rooftop solar access. The core product line consists of the Storm family: Storm 360W and Storm 710W plug-in solar kits (featuring flexible TOPCon monocrystalline panels, Hoymiles HMS-800W-2T microinverters, and DIY installation), and Storm Plus variants bundling the same kits with the Vault 1920Wh plug-in battery for energy storage. Individual products include the 178W flexible solar panel, HMS-800W-2T WiFi microinverter, and Vault home battery system. Accessories include Y-branch DC connectors and AC connection cables. Services include professional solar installation, PV design, and SAP compliance optimisation for buildings.

Differentiator

Problem solved

Functional benefit

Products and services

• Storm 360W Plug-In Solar Kit Compact plug-in solar kit with 2 flexible 3.5 kg panels (180W each), Hoymiles HMS-800W-2T microinverter, AC connection cable, double pole isolator, and mounting accessories. Designed for balconies, fences, patios, and sheds. DIY installation with free video setup support. G98 and BS 7671 compliant. Priced at £499.99.
• Storm 710W Plug-In Solar Kit Larger plug-in solar kit with 4 flexible panels totaling 710W, Y-branch DC connectors, and all mounting hardware, paired with the Hoymiles HMS-800W-2T microinverter. Designed for gardens, balconies, and fence installations requiring higher output. Priced at £649.99.
• Storm Plus 360W Plug-In Solar With Battery Storm 360W solar kit bundled with the Vault 1.92 kWh plug-in battery. Combines ultra-light flexible panels with smart energy storage for evening self-consumption and Time-of-Use optimization via an AC-coupled system. Priced at £1,499.99.
• Storm Plus 710W Plug-In Solar With Battery Storm 710W solar kit bundled with the Vault 1.92 kWh plug-in battery. Maximum output configuration with 4 flexible panels and battery storage for complete energy independence and AI-driven Time-of-Use optimization. Priced at £1,649.99.
• Solar Panel 180W (178W) Flexible monocrystalline solar panel with 178W rated power and 22.7% efficiency using TOPCon cells. Ultra-lightweight at 3.5 kg and 3 mm thick. IP68 waterproof, flame-retardant Class C, TÜV certified, and certified to CE, RoHS, TÜV, and CSA standards. Compatible with microinverters or off-grid setups. Priced at £142.49–£149.99.
• HMS-800W-2T WiFi Microinverter

Quantifiable outcome

• Storm 360W can produce up to 320 kilowatt-hours of electricity per year, saving up to £80 per year at average UK electricity rates
• +5 more outcomes

Segments5 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered core and supporting.

• HoymilescoreTechnology or IntegrationHoymiles is the technology provider for microinverters (HMS-800W-2T) used in Thunder's solar kits. The partnership provides the core power conversion technology enabling Thunder's plug-in solar systems. Hoymiles also provides the S-Miles Cloud app ecosystem for remote monitoring and the HiBattery 1920 AC battery system. Products carry manufacturer's 12-year warranty through this partnership.
• European Commission PVGISsupportingOthersThunder's savings calculator uses official solar radiation data from the European Commission's PVGIS (Photovoltaic Geographical Information System) database. This provides the underlying generation estimates for customer savings projections and payback calculations.

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Plugg Solar: Dutch plug-in solar provider targeting balcony and garden residential installations. Comparable product market fit for European flats/high-rise housing, though operating in the Netherlands rather than the UK.
• Sunology: Major French plug-in/balcony solar pioneer with comparable BOS-kits and bundled battery offerings. Closely comparable on product architecture and value proposition though geographically focused on France.
• Priwatt: One of Europe's first plug-in solar kit specialists, operating primarily in Germany with a near-identical D2C model for balcony solar. Highly comparable business model and product category, differing mainly by geography.
• Yousolar: UK plug-in/balcony solar specialist selling similar kits to the same UK flats, renters, and homeowners without rooftop access. Closest direct competitor given overlap in geography, product positioning, and target customer.

Broad incumbents

• SMA Solar Technology: Major European inverter and home energy system manufacturer with strong UK presence. As plug-in regulations open up, SMA could ship its own micro-inverter solutions targeted at the same balcony segment.
• EDF Renewables UK: UK utility-affiliated solar installer with a national sales channel and existing customer base. Represents the incumbent threat of a large capital-backed player entering the plug-in/balcony space.
• SolarEdge: Power optimiser/inverter incumbent that has expanded into residential home energy. Competes on the inverter+monitoring stack that Thunder relies on Hoymiles for, and has launched its own residential plug-in offerings.
• Enphase Energy: Global microinverter and home energy systems leader. Enphase's own IQ Balcony / IQ8 plug-in systems and bundles with third-party batteries put it in direct competition for the same customer, while also acting as a Hoymiles alternative supplier.

Emerging players

• EcoFlow: Portable power station and balcony solar player offering D2C plug-in solar kits bundled with batteries in the UK and EU. Partial overlap — competes for the renter/balcony customer but with a portable-power heritage.
• Bluetti: Portable solar generator brand expanding into UK/EU residential solar and home battery products. Adjacent rather than direct — different primary use case today — but increasingly competing for the same lightweight, plug-in consumer segment.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@ThunderEnergy
• Facebookfacebook.com/profile.php
• LinkedInlinkedin.com/company/thunder-energy-services
• Instagraminstagram.com/thunder.uk

Compliance22 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about THUNDER ENERGY SERVICES LTD