What Evergen Systems does

Evergen Systems Ltd (trading as Evergen Solar) is a UK-based, privately held solar installation company founded in 2010 and headquartered in Maidenhead, England. It designs, supplies and installs solar photovoltaic (PV) panel and battery storage systems for three primary customer segments: residential homeowners seeking reduced electricity bills and energy independence; commercial customers including schools, local authorities, hospitality businesses and food producers; and homebuilders/developers installing solar on new build properties to meet EPC requirements. Core technology centres on the Sigenergy SigenStor 5-in-1 modular system that integrates a solar inverter, EV DC charger, battery PCS and Energy Management System (EMS) into a single unit with AI-optimised charge and discharge scheduling based on household usage patterns, supplemented by high-wattage (400W per panel) PV modules and Smart Export Guarantee grid export integration.

The company monetises through one-time hardware sales and installation for residential customers, augmented by consumer credit broking under FCA authorisation (FRN 783496) and commercial Solar Power Purchase Agreements (PPAs) and asset finance plans that require zero upfront capital from business customers. Go-to-market combines a free home survey sales-led funnel, in-house telesales for lead qualification, dedicated field sales for commercial accounts, Calendly-driven scheduling, and developer channel partnerships for new build. Pricing is quote-based per property with EPVS Gold Standard savings validation, MCS certification (held since 2011), HIES consumer protection membership, and 25-year panel / 10-year battery warranties backed by HIES insurance.

Evergen holds MCS, HIES, EPVS Gold Standard and FCA authorisations that act as regulatory and consumer-credibility moats and operates a four-office footprint (Maidenhead HQ, Norwich sales, Brighouse marketing, Harlow distribution) covering 45+ UK towns. Beyond core solar, Evergen has developed PureAire air hygiene and infection control technology in collaboration with GCS Berlin and a university partner and is pursuing social housing and Church of England net-zero segments as adjacent expansion vectors. Public statements describe ambition to become the UK's largest solar installer; cumulative installations exceed 500K panels since founding.

Name

Evergen Systems

Legal name

EVERGEN SYSTEMS LTD

Website

https://evergensolar.co.uk

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

51–100 employees

Short description

Evergen Systems (trading as Evergen Solar) designs, supplies and installs solar PV panel and battery storage systems for UK residential homeowners, commercial customers, and new build developers, financing commercial projects via zero-upfront Solar PPAs and consumer credit broking under FCA authorisation.

Ownership category

akta.pro rank

Product category

Solar Energy Installation

akta.pro primary industry

Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)

akta.pro secondary industries

Solar Roofing & Roof-Mounted PV Systems (IMADAFAO), Distributed Storage (Behind-the-Meter Batteries) (EUAMAJAE), Distributed & Commercial Renewable O&M (Rooftop Solar, C&I Wind, Small Hydro) (EUAMAGAB)

Keywords

• Solar panel installation
• Battery storage systems
• Commercial solar PPA
• Residential renewable energy
• New build solar PV

Headquarters

HQ city

Maidenhead

HQ country

United Kingdom

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Solar Panel and Battery Hardware Sales: One-time sale and installation of solar panel and battery systems, sized to individual property requirements. Systems are modular and scalable. 25-year warranty on panels, 10-year warranty on batteries, protected by HIES.
2. Solar PPA (Power Purchase Agreement): Commercial customers can enter into Solar PPAs with zero upfront and ongoing costs. The lender installs and owns the system; customer pays for electricity generated at a fixed rate, providing immediate savings with no capital expenditure.
3. Asset Finance Plan: Commercial customers can finance solar installations through asset finance with flexible payback options designed to ensure positive cash flow even during winter months. Zero upfront cost with monthly payments.
4. Consumer Credit Financing: Evergen acts as a credit broker (not a lender) offering finance from a panel of lenders for residential solar and battery installations. Subject to affordability, age, status, and minimum spend requirements.
5. Smart Export Guarantee (SEG) Revenue: Customers with excess solar energy can sell it back to the grid. Energy companies with over 150,000 customers are mandated to offer at least one SEG tariff. Rates range from 7.5p to 10.5p per kWh.
6. Maintenance and Support Services: Annual maintenance services available for solar installations including general cleaning and overall inspection. Bird proofing available as optional add-on during or after installation.

Pricing tiers

Go-to-market motion4 records

Distribution channels6 records

Marketing channels8 records

Core offering

Evergen Systems designs, supplies and installs solar photovoltaic (PV) panel and battery storage systems for UK residential homeowners, commercial businesses, new-build developers and faith institutions. The company's core offering combines property-surveyed, modular solar arrays with storage batteries (often Sigenergy's 5-in-1 integrated system) and offers zero-upfront commercial financing via Solar Power Purchase Agreements and Asset Finance, supported by EPVS-validated savings projections, MCS/HIES/FCA accreditations, and long-term warranties.

Product overview

Evergen Systems is a UK-based solar energy installer offering a comprehensive portfolio of solar panel and battery storage solutions for residential, commercial, and new build properties. The core product offering centres on Solar & Battery System Installations, combining solar panels with storage batteries for 24/7 energy access. The Sigenergy 5-in-1 System represents an advanced integrated solution combining solar inverter, EV DC charger, battery PCS, and EMS modules in one unit, powered by AI optimisation. The product range spans panel-only installations, battery-only additions, black solar panel options, system expansions, and commercial-specific offerings including Solar PPA and Asset Finance plans. Supporting services include solar pool heating and bird proofing protection.

Differentiator

Problem solved

Functional benefit

Brands

• PureAire: Air purification and infection control system for indoor spaces, capable of destroying bacteria and viruses.

Products and services

• Residential Solar & Battery System Installation Custom-designed and installed solar PV panel and battery storage system for UK homeowners, scoped via free home survey and desktop roof assessment, designed to generate and store free electricity from daylight and reduce grid consumption.
• Commercial Solar Installation De-risked commercial solar PV installations for UK businesses, schools and public-sector buildings, typically funded through Solar Power Purchase Agreements or Asset Finance, delivering zero-upfront-cost systems that cut operating electricity costs and support carbon reduction.
• New Build Solar PV Installation Roof-integrated solar PV systems for new-build residential properties, quoted from plans and energy statements with scaled 3D modelling, designed to achieve high EPC ratings and add value to developments.
• Sigenergy SigenStor 5-in-1 Energy System Modular integrated energy system combining a solar inverter, EV DC charger, battery Power Conversion System and Energy Management System into a single unit, with AI optimising battery charge and discharge times based on household consumption patterns.
• Solar Pool Heating Solar PV systems specifically engineered to heat swimming pools using solar energy, with optional battery storage to retain surplus heat/energy collected.
• Bird Proofing Protection Protection service that prevents birds and rodents from damaging solar panels and roof tiles, available during installation or retrofitted afterwards.

Quantifiable outcome

• Up to 80% electricity bill savings for south-facing properties (X kWh system)
• +7 more outcomes

Named customers13 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Eight partnerships are on record, tiered minor and core.

• GCS Berlin and World Class UniversityminorStrategic or Co-development Partner · 1 January 2018In 2018, Evergen started working with GCS (Berlin) and a World Class University to develop solutions for tackling outdoor air pollution. This collaboration led to the development of the PureAire system.
• Sigenergy (SigenStor 5-in-1 System)coreTechnology or Integration · 1 January 2017Evergen uses Sigenergy's SigenStor 5-in-1 system which integrates solar inverter, EV DC charger, battery PCS and EMS into one modular unit. Sigenergy batteries powered by AI optimise charge and discharge based on household living habits.
• Royal Borough of Windsor & MaidenheadminorStrategic or Co-development Partner · 1 January 2015In 2015, Evergen was awarded a contract by the Royal Borough of Windsor & Maidenhead to install solar on the iconic Town Hall building.
• Ethical Power LtdminorStrategic or Co-development Partner · 1 January 2014In 2014, Evergen was awarded a contract by Ethical Power Ltd (Private Equity fund manager) to install solar on schools. This was one of Evergen's early major commercial contracts.
• HIES (Home Insulation & Energy Systems Contractors Scheme)coreOthersHIES is a Consumer Protection organisation providing independent insurance-backed guarantees for product warranties installed by Evergen members. Provides consumers with protection and peace of mind.
• EPVS (Energy Performance Validation Scheme)coreOthersEPVS is an industry validation body that manually recalculates and checks Evergen's savings calculations to ensure returns are accurate. Fewer than 5% of installers achieve Gold Standard EPVS status.
• MCS (Microgeneration Certification Scheme)coreOthersMCS sets industry standards for microgeneration installations and ensures Evergen's systems are installed to best practice standards.
• Homebuilders, Architects, and Developers (New Build Channel)coreChannel Partner/ Reseller/ DistributorEvergen works with homebuilders, architects, and developers to install solar on new build residential properties. Quotations are provided from plans and energy statements, with 3D modelling confirming panel locations and SAP compliance.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• British Gas (Centrica): UK's largest domestic energy supplier offering solar PV and battery installation alongside energy supply. Overlaps directly with Evergen's residential solar proposition and benefits from incumbent customer base and brand.
• Lightsource BP: Global solar developer and operator headquartered in the UK with utility-scale focus. Adjacent peer — same UK solar ecosystem and EPC capability, but operates at much larger scale and different customer segment than Evergen's rooftop focus.
• E.ON UK: Major UK energy supplier and solutions provider offering rooftop solar and battery solutions to residential and commercial customers. Competes with Evergen across multiple segments using its energy supply franchise and balance sheet.
• EDF Energy: UK energy supplier offering solar and battery solutions to homeowners and businesses. Comparable to Evergen in residential and commercial solar installation, but bundled with a much larger energy generation and supply business.
• Octopus Energy: UK energy supplier now offering solar panels, batteries, and heat pumps to residential customers. A scaled incumbent leveraging an existing energy supply customer base — directly overlapping Evergen's residential solar+storage proposition with much greater brand and capital resources.

Direct peers

• Project Solar UK: UK-based residential solar PV installer offering solar panel and battery systems to homeowners. Directly comparable to Evergen on core residential product, lead-generation approach, and UK geographic focus.
• Geo Green Power: UK-based renewable energy installer offering commercial and residential solar PV and battery storage. Comparable to Evergen in commercial client focus and EPC-led delivery model across the UK.
• Eco2Solar: UK solar installer specializing in new-build and residential solar PV. Strong overlap with Evergen on new-build developer channel, residential rooftop, and battery storage offerings.
• SolarCentury: Long-established UK solar installer covering residential, commercial, and utility-scale projects. Closest direct comparable to Evergen on customer segments (residential/commercial rooftop) and product offering (solar + storage), though now owned by Statkraft with a broader mandate.

Emerging players

• Aira: Sweden-based clean energy heating and solar installer expanding across Europe including the UK. Competes with Evergen in residential solar and battery with a focus on heat-pump-integrated propositions.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/EvergenSystems
• Facebookfacebook.com/EvergenSolar
• LinkedInlinkedin.com/company/evergen-group-ltd

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

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 Evergen Systems