Zestec Renewable Energy

What Zestec Renewable Energy does

Zestec Renewable Energy is a UK-based commercial and industrial (C&I) renewable energy company founded in 2017 and headquartered at Oxford Point, Oxford Road, Bournemouth. The company is wholly owned by funds managed by Octopus Energy Generation, Europe's largest solar investor with over £5 billion in renewable energy assets under management and 3.3 GW of generation capacity. Zestec designs, funds, installs, and manages Solar PV systems, Battery Energy Storage Systems (BESS), and EV charging infrastructure for commercial and industrial businesses across the United Kingdom, with battery assets integrated with intelligent controls and optimization software that enables remote monitoring, dynamic response to site demand and electricity pricing, and Virtual Power Plant participation.

The core commercial mechanism is a fully funded Power Purchase Agreement (PPA): Octopus Energy Generation provides 100% of the capital for purchase, installation, and lifetime operation and maintenance, while the customer pays only for the electricity generated at a fixed tariff set below conventional grid rates over a 10-30 year term, with system ownership transferring to the customer at end of term. Additional offerings include an integrated roof-refurbishment-plus-solar solution delivered in partnership with Kingspan, and an Octopus EV salary sacrifice scheme for employee electric vehicle leasing.

Zestec goes to market through a hybrid model combining a direct enterprise field sales force targeting large corporate clients, property owners, and facility managers with a channel network of nine named installation partners (Seed Renewables, Custom Solar/Mitie, Inspired, AR Power, Low Carbon Energy, UPOWA, Avonside Energy Services, LCS Energy, JPS Renewables) that performs EPC delivery while Zestec retains funding and asset management responsibility. The company reports serving more than 1,000 UK businesses with a marquee enterprise reference list spanning Amazon, Tesco, Co-op, BMW, Bentley, Aston Martin, Kimberly-Clark, Bombardier, London Luton Airport, Glasgow Airport, Eden Project, and LEGOLAND Windsor. Pricing is not publicly disclosed; revenue is derived from recurring PPA receipts over multi-decade contract terms and ongoing asset management and O&M service fees.

Name

Zestec Renewable Energy

Legal name

Zestec Asset Management Ltd

Website

https://zestecgroup.co.uk

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

11–50 employees

Short description

Zestec Renewable Energy is a UK-based C&I renewable energy company that funds, installs, and manages Solar PV, BESS, and EV charging systems through long-term Power Purchase Agreements, serving more than 1,000 UK businesses including Amazon, Tesco, Co-op, and BMW.

Ownership category

akta.pro rank

Product category

Commercial Renewable Energy Services

NAICS

Solar Electric Power Generation (221114)

SIC

Electric Services (4911), Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Corporate PPAs (C&I Offtake; Sleeved/Virtual/Physical) (EUAGADAA)

akta.pro secondary industries

PPA Origination, Structuring & Offtake Contracting (Physical/Financial, Sleeves) (EUAMAMAD), Hybrid PPAs (Renewables + Storage) & Firm Renewable Products (EUAGADAI), Renewable Energy Infrastructure (FSAAAKAG)

Keywords

• Commercial solar PPA
• Battery energy storage
• EV charging infrastructure
• Renewable energy funding
• Behind-the-meter solar

Headquarters

HQ city

Bournemouth

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Power Purchase Agreement (PPA) Revenue: Zestec generates revenue through PPA agreements where customers pay for electricity generated by their installed renewable energy systems at rates below conventional grid tariffs. The PPA tariff is calculated based on installation cost, ongoing maintenance, and specialist insurance rather than volatile energy market pricing. Revenue is recurring over the PPA term (typically 10-30 years) with ownership transferring to the customer at end of term.
2. Asset Management and O&M Services: Ongoing operational management, maintenance, and performance optimization of installed renewable energy systems throughout the PPA term. Revenue derived from service fees included in PPA structure.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

Zestec Renewable Energy funds, develops, installs, and manages behind-the-meter renewable energy systems (Solar PV, Battery Energy Storage Systems, and EV charging infrastructure) for commercial and industrial businesses across the UK. The offering is delivered under a fully funded Power Purchase Agreement (PPA) backed by Octopus Energy Generation, requiring zero upfront capital from customers, who instead pay for electricity generated at rates below grid tariffs.

Product overview

Zestec Renewable Energy offers a portfolio of fully funded renewable energy solutions for commercial and industrial businesses. The core offering centres on a Power Purchase Agreement (PPA) model that funds, installs and manages Solar PV, Battery Energy Storage Systems (BESS), and EV Charging Infrastructure with zero upfront capital cost. These solutions integrate under a unified managed service covering consultation, installation, and lifetime operational management. Additional offerings include an integrated Solar and Roof Refurbishment solution (partnered with Kingspan) and an Octopus EV Salary Sacrifice scheme for employee electric vehicle leasing.

Differentiator

Problem solved

Functional benefit

Products and services

• Solar PV
• Battery Energy Storage Systems (BESS)
• EV Charging Infrastructure
• Power Purchase Agreement (PPA) Funding
• Solar and Roof Refurbishment
• Octopus EV Salary Sacrifice

Quantifiable outcome

• Reduce electricity costs by 14-67% compared to grid tariffs (e.g., Amazon achieved 67% discount on electricity tariff)
• +6 more outcomes

Named customers27 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

15 partnerships are on record, tiered core, primary and minor.

• Smart EasecoreStrategic or Co-development Partner · 20 August 2025Leading provider of finance solutions for clean energy and technology projects. Strategic partnership provides technology-led funding platform enabling faster, smarter delivery of PPAs and asset finance solutions. Includes instant finance proposals, seamless customer onboarding, and technical due diligence.
• KingspancoreStrategic or Co-development PartnerGlobal leader in high-performance insulation and roofing systems. Partnership combines roof refurbishment and on-site solar generation into a single coordinated, funded solution. Kingspan provides FM-approved roof solutions serving as platform for integrated solar PV.
• Seed RenewablesprimaryImplementation/ SI/ Consulting PartnerInstallation partner for complex projects including RENOLIT manufacturing facility. Partner in delivering rooftop and carport solar PV systems, EV charging infrastructure, and ongoing project coordination.
• Custom Solar (part of Mitie)primaryImplementation/ SI/ Consulting PartnerPart of Mitie Group, delivering integrated solar solutions. Installation partner for Eden Project, Co-op partnership, and LEGOLAND Windsor solar carport. Expertise in engineering design, development, and installation of solar PV systems.
• Custom Solar (part of Mitie)primaryImplementation/ SI/ Consulting PartnerDelivered 140 kWp solar PV system at Eden Project's Growing Point facility, demonstrating expertise in specialist solar solutions for complex architectural designs.
• MitieprimaryImplementation/ SI/ Consulting PartnerPartnership for renewable energy initiatives at LEGOLAND Windsor and broader Merlin Entertainments portfolio. Mitie delivers solar installations under their Plan Zero sustainability program.
• InspiredprimaryImplementation/ SI/ Consulting PartnerUK's leading energy and sustainability consultancy. Supported Leggett & Platt project from initial design through to installation and delivery. Collaboration on flagship 4MW rooftop solar PV system.
• AR PowerprimaryImplementation/ SI/ Consulting PartnerInstallation partner for Parker Hannifin project. Delivered 933.51 kWp rooftop solar PV system at Gateshead site with seamless installation and minimal disruption to operations.
• Low Carbon EnergyprimaryImplementation/ SI/ Consulting PartnerOne of UK's leading commercial solar installers. Delivered CWST 259.74 kWp solar system with technical excellence, ensuring risks were managed and health and safety standards met.
• UPOWAprimaryImplementation/ SI/ Consulting PartnerInstallation partner for Bombardier's 1.25 MW rooftop system at Biggin Hill airport. Delivered project meeting high airport specifications while protecting privacy restrictions and daily operations.
• Avonside Energy ServicesprimaryImplementation/ SI/ Consulting PartnerDelivered 7MWp ground-mounted solar PV system at MIRA Tech Park. Utilised Solis string inverters and JA Solar modules meeting Zestec's quality and sustainability standards with full supply chain traceability.
• LCS EnergyprimaryImplementation/ SI/ Consulting PartnerTrusted EPC contractor for Essentra Components project. Responsible for engineering and installation of 815.40 kWp rooftop solar PV system with focus on precision engineering and proactive collaboration.
• JPS RenewablesprimaryImplementation/ SI/ Consulting PartnerAssessed Horder Healthcare facilities for solar suitability. Delivered complex 323.8 kW system with 753 solar panels across 30+ roof configurations including planning consent and generator integration.
• Octopus EVcoreGTM or Marketing PartnerPartnership to deliver EV salary sacrifice scheme. Zestec recommends Octopus EV to business clients offering employees car, charger, and energy package with up to 40% savings on electric vehicles through salary sacrifice.
• EcologiminorOthersZestec is a proud supporter of Ecologi, planting trees and funding world's best climate crisis solutions. Ecologi invests in certified carbon reduction projects supporting Zestec's sustainability commitments.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• SmartestEnergy: UK renewable energy supplier (owned by Marubeni) sourcing power from independent generators and supplying corporates under PPAs. Overlaps with Zestec's PPA/offtake activity, particularly as a route to market for C&I solar generation, but SmartestEnergy does not install systems itself.

Direct peers

• Solarcentury (Statkraft): UK heritage solar developer (now part of Statkraft) delivering C&I and utility-scale solar PV across Europe, Africa, and Latin America. Highly comparable to Zestec in target market (commercial/industrial solar), technology offering, and project finance approach via long-term PPAs.
• Lightsource bp: One of the largest solar developers globally and a leading UK C&I and utility-scale solar originator/owner-operator. Lightsource bp competes directly with Zestec on behind-the-meter and grid-connected solar PPAs for commercial and industrial customers, leveraging similar funding structures and multi-MW project capability.
• Anesco: UK-based solar PV developer and O&M provider operating across C&I, housing, and utility-scale segments. Anesco develops, funds, and installs rooftop and ground-mount solar arrays with end-to-end asset management—directly comparable to Zestec's PPA-funded C&I model.

Broad incumbents

• Statkraft UK: UK arm of the Norwegian state-owned renewable energy major; a leading PPA offtaker and solar/wind developer with multi-GW portfolio. Comparable to Zestec as both a generator and corporate PPA counterparty in the UK C&I market, but at significantly larger scale.
• EDF Renewables UK: UK arm of EDF's renewables business covering onshore/offshore wind, solar, and battery storage for C&I and utility customers. Overlaps with Zestec on commercial solar and storage PPAs but operates across a much broader portfolio of energy technologies and asset types.
• RES (Renewable Energy Systems): Global renewables developer and O&M provider active in UK solar, wind, storage, and transmission with C&I and utility customers. Comparable to Zestec on solar development and long-term asset ownership, but operates across a broader technology mix and geographies.
• Centrica Business Solutions: British Gas/Centrica's B2B energy services arm delivering solar PV, BESS, EV charging, and energy management to UK enterprise and mid-market customers. Comparable customer segment, multi-product proposition, and PPA funding approach to Zestec, with materially larger parent backing.
• Engie UK: UK subsidiary of global utility Engie delivering decarbonisation, energy services, and distributed generation (solar, BESS, heat) to commercial and public-sector customers. Direct overlap with Zestec on C&I solar PPAs and EV/electrification infrastructure, set within a much larger multi-fuel business.
• SSE Energy Solutions: SSE's distributed energy and decarbonisation arm delivering solar, BESS, heat pumps, and EV infrastructure to UK C&I customers. Comparable customer segment and product mix to Zestec, with the added scale advantage of SSE's broader energy and networks business.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/zestec-renewable-energy
• Xx.com/zestecassetmgmt

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 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 Zestec Renewable Energy