What RES does

RES is a UK-headquartered (Kings Langley/Hertfordshire, with a global head office referenced in London), privately held renewable energy company founded in 1981 as a wind-turbine engineering team within Sir Robert McAlpine. It positions itself as the world's largest independent renewable energy company and operates across the full project lifecycle — development, EPC/construction, asset management, operations and maintenance (O&M), consultancy, spares supply, and 24/7 control-centre monitoring — spanning six core technology areas: wind (260+ wind farms), solar (77 operating projects), energy storage (45 battery projects delivered), green hydrogen, hydro, and transmission & distribution. The company employs approximately 4,500 people across 24 countries, has developed over 29GW of projects, and supports roughly 45GW of operational assets globally.

RES serves a horizontal, B2B customer base including landowners, local communities and First Nations, institutional investors and funds, asset owners, corporate energy buyers, and governments. Its revenue mechanics are diversified across professional development services, EPC/construction, recurring managed-services (asset management and O&M), consultancy/advisory, spares and repair (60,000+ parts inventory), and a subscription-oriented digital-solutions layer. Pricing is project-specific, quote-based, and not publicly disclosed. Go-to-market is sales-led / enterprise field sales, centered on long-term relationships, competitive bidding, power purchase agreements, and co-development partnerships; a recurring commercial pattern is developing projects and then divesting them to funds while retaining development/construction/asset-management mandates.

Technically, RES layers proprietary digital products on its services base: 3DX (AI-driven, ISO 27001-certified drone blade-inspection platform with 1M-defect database and 100,000+ blades inspected), Smart Pilot (automated blade inspection reducing downtime ~25%), Anemo/AnemoLive (remote diagnostics on 6,000+ turbines), RESolve (modular BESS/solar/hybrid control system), and optimization tools TuneUp, Dynamic Yaw, AeroUp and Optivert delivering quantified 0.5%–5% energy-production uplifts. Growth has been substantially inorganic, with acquisitions of Anemo Analytics (2022), Blueshore Energy (2022), IM Future (2023), Sulzer Schmid (2023), and Ingeteam Service (2024).

Name

RES

Legal name

RES (Renewable Energy Systems)

Website

https://res-group.com

Company type

Private

Founded year

1981

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

RES is the world's largest independent renewable energy company, providing end-to-end development, EPC construction, asset management, O&M, and proprietary AI-driven digital optimization for wind, solar, storage, hydro, and green hydrogen projects across 24 countries for developers, investors, and asset owners.

Ownership category

akta.pro rank

Product category

Renewable Energy Services

NAICS

Electric Power Generation, Transmission and Distribution (2211), Electric Power Generation (22111), Computer Systems Design and Related Services (54151)

SIC

Services-Computer Integrated Systems Design (7373)

akta.pro primary industry

Renewable Energy Asset Management (Solar/Wind/Hydro/Geothermal) (EUAEAMAB)

akta.pro secondary industries

Repowering, Life Extension & Upgrades (Retrofits, Controls/Software, Uprates) (EUAMAGAN), Major Component Service & Overhauls (Gearboxes, Blades, Generators, Inverters, Turbines) (EUAMAGAF), Energy Management Systems & Plant Controllers (PPC, AGC Participation, Curtailment Control) (EUAMAIAI), SCADA/Telemetry, Data Integration & Device Connectivity for Storage/DER Control (EUAFAKAI)

Keywords

• Renewable energy development
• Wind energy services
• Solar project construction
• Battery energy storage
• Asset management services

Headquarters

HQ city

Kings Langley

HQ country

United Kingdom

HQ region

Europe

Offices22 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Development Services: Project development services for clean energy projects including site identification, stakeholder engagement, permitting, and project planning across wind, solar, energy storage and green hydrogen technologies.
2. Construction Services: EPC (Engineering, Procurement, and Construction), Balance of Plant, and Construction Management Services for renewable energy projects. Includes third-party construction in the US market.
3. Asset Management: Full-scope asset management including technical, commercial, and financial services to optimize performance, maximize revenues, and extend asset operational life. Provides regulatory compliance, finance, community, and ESG support.
4. Operations and Maintenance (O&M): Comprehensive O&M services including scheduled and unscheduled maintenance, performance warranties, main component replacement, autonomous blade inspections, condition monitoring, life extension, repowering, and decommissioning.
5. Digital Solutions: Proprietary digital products including 3DX, Smart Pilot, RESolve, Anemo, AeroUp, Dynamic Yaw, Optivert, and TuneUp that optimize renewable energy asset performance.
6. Consultancy and Advisory: Specialist consultancy services throughout the full project lifecycle including technical due diligence, owner's engineer services, ESG consultancy, and grid-related support.
7. Spares Supply and Repair: Parts management with over 60,000 spare parts inventory, refurbishment and upgrades across multiple brands, global logistics management and just-in-time supply services. Manages 500,000 items supplier per year with over 10K in stock.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels7 records

Core offering

RES provides end-to-end renewable energy project development, construction, and long-term operational services across wind, solar, energy storage, green hydrogen, hydro, and transmission & distribution technologies. Its offering combines full-lifecycle services — development, EPC construction, asset management, operations and maintenance, spares supply, consultancy and advisory, and 24/7 control center monitoring — with a proprietary suite of AI/ML-powered digital optimization platforms (3DX, RESolve, Anemo, Smart Pilot, AeroUp, Dynamic Yaw, Optivert, TuneUp) that maximize asset performance for renewable energy owners and developers worldwide.

Product overview

RES (Renewable Energy Systems) is the world's largest independent renewable energy company offering an integrated platform of development, construction, and services across the full project lifecycle. The product portfolio centers on six core technology areas — Wind, Solar, Energy Storage, Green Hydrogen, Hydro, and Transmission & Distribution — supported by a suite of digital solutions and operational services. The digital products layer includes 3DX™ (AI-driven blade inspection platform with autonomous drone capability), Anemo (remote diagnostic and performance optimization for wind/solar), RESolve (modular BESS/Solar/Hybrid control system), Smart Pilot (automated blade inspection tool), TuneUp (turbine efficiency optimization), Dynamic Yaw (wake steering optimization), AeroUp (blade aerodynamic upgrades), and Optivert (solar inverter temperature management). Services encompass Asset Management (technical/commercial/financial/site management), Operations & Maintenance (covering wind, solar, BESS, hydro), Consultancy & Advisory, Spares Supply & Repair, and Control Centre Services (24/7 global monitoring). The portfolio is built on 40+ years of experience, 29GW developed, and 45GW of operational assets supported across 24 countries.

Differentiator

Problem solved

Functional benefit

Brands

• Smart Pilot: Automated data capture software for wind turbine blade inspections that reduces inspection time by approximately 25%
• RESolve
• 3DX
• AeroUp
• Anemo/AnemoLive
• TuneUp
• Dynamic Yaw
• Optivert

Products and services

• Asset Management Full-scope asset management covering technical, commercial, financial, and site management services to optimize performance, maximize revenues, and extend asset operational life across wind, solar, and storage assets for institutional investors, funds, and asset owners.
• Operations and Maintenance (O&M) Comprehensive operations and maintenance services for onshore wind, offshore wind, solar, BESS, and hydro assets including scheduled and unscheduled maintenance, performance warranties, condition monitoring, blade inspections, life extension, repowering, and decommissioning.
• Control Centre Services 24/7 monitoring and control services from strategic global locations (UK, Australia, Spain, US) providing real-time asset monitoring, compliance management, grid code services, and emergency response for renewable energy assets.
• Consultancy and Advisory Specialist consultancy services throughout the full project lifecycle covering technical, financial, commercial, ESG, grid, and engineering support including due diligence, owner's engineering, regulatory compliance, and GRESB ESG benchmarking support.
• Spares Supply and Repair End-to-end spare parts management with 60,000+ spare parts inventory, multi-brand refurbishment services, global logistics management, just-in-time supply, and warranty management for renewable energy assets globally.
• Development End-to-end renewable energy project development spanning onshore wind, offshore wind, solar PV, energy storage, and green hydrogen with stakeholder engagement for landowners, communities, First Nations, and investors. Includes site identification, permitting, planning, and stakeholder management.
• Construction EPC and construction management services for solar, onshore and offshore wind, storage, and hydrogen projects. Includes third-party construction (US) and construction management services on behalf of investors and owners.
• 3DX Blade Inspection Platform Comprehensive wind turbine blade inspection platform connecting drone inspection, AI-driven damage analysis, and repair planning in one integrated system. Includes 3DX Autopilot for fully automated inspections and Smart Pilot for self-performed inspections. 80% time saving, 1M blade defect database, 100,000+ blades inspected. ISO 27001:2022 certified technology.
• RESolve Modular energy management and control system for BESS, Solar, and Hybrid assets providing real-time optimization, fleet-wide visibility, and advanced diagnostics. Includes Power Plant Controller (PPC), Energy Management System (EMS), and GUI/HMI interfaces. Built on 450+ MW of global RES construction and 127+ project-years of operational experience.
• Anemo Remote diagnostic services and performance optimization platform for wind and solar plants, including AnemoLive (wind park optimization on 6,000+ turbines), HelioLive (solar performance), and AnemoLITE (for warranty-period assets).
• Digital Services Comprehensive digital consulting and data services including solar diagnostic services, wind diagnostic services, data & software services, and end-of-warranty studies leveraging advanced analytics and proprietary technology and physics-backed data models.
• Hydro Technology Services Hydroelectric power O&M specializing in Kaplan and Pelton turbines with 24/7 monitoring, preventive/predictive/corrective maintenance, and asset modernization services.
• Energy Storage Technology Services Battery energy storage solutions including development, construction, and O&M with 45 battery projects delivered worldwide. Features proprietary RESolve energy management system.
• Green Hydrogen Technology Services Green hydrogen production through water electrolysis powered by renewable energy, supporting industrial decarbonization in sectors including steel, cement, and tissue manufacturing.
• Transmission & Distribution Services Electrical infrastructure services including new installations, maintenance, emergency restoration, substation EPC, and US emergency restoration services for grid reliability.

Quantifiable outcome

• Annual Energy Production improvements of up to 5% with AeroUp
• +7 more outcomes

Named customers8 records

Segments6 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability8 records

Feature9 records

Partnerships

14 partnerships are on record, tiered core, flagship and minor.

• Delta Capacity AGcoreStrategic or Co-development Partner · 29 June 2026Swiss energy storage developer contracted RES for full-scope asset management of the 70-MW Ange BESS in Sweden, the largest operating BESS in the Nordic region. RES will deliver technical, commercial, and financial asset management services to optimize performance, maximize revenues, and extend the asset's operational life.
• Volkswagen (Mexico)coreStrategic or Co-development Partner · 25 June 2026Volkswagen's manufacturing facilities in Mexico receive electricity supply from the 130-MW La Bufa wind farm in Zacatecas under a long-term power purchase agreement. RES provides financial and technical asset management services including performance monitoring, reporting, and optimisation.
• West Moberly First NationsflagshipStrategic or Co-development Partner · 4 June 2026Partnership for the 210MW Sweetwater Wind Project near Dawson Creek, British Columbia. West Moberly holds 51% majority ownership through a wholly owned subsidiary. Project selected under BC Hydro's 2025 Call for Power programme, featuring approximately 30 turbines to power roughly 50,000 homes annually. Also partnered on the 251-MW Bessie Wind Project with Innergex Renewable Energy Inc.
• Innergex Renewable Energy Inc.coreStrategic or Co-development Partner · 4 June 2026West Moberly First Nations secured a second contract for the 251-MW Bessie Wind Project in partnership with Innergex Renewable Energy Inc. alongside the Sweetwater Wind Project with RES.
• Nala RenewablescoreStrategic or Co-development Partner · 23 March 2026RES secured an asset management mandate from Nala Renewables covering 217 MW of operational solar and battery energy storage systems in Europe. Includes technical, commercial, and financial asset management services.
• AvantuscoreImplementation/ SI/ Consulting Partner · 5 March 2026RES provides EPC services for Avantus's Kitt Solar and Energy Storage Project in Pinal County, Arizona. The 100 MWac/130 MWdc solar plus 400 MWh battery storage project is expected to reach commercial operations by end of 2026.
• Manitoba Métis Federation (Red River Métis Power Corporation)flagshipStrategic or Co-development Partner · 8 January 2026Formalized partnership through Memorandum of Understanding for clean energy development in Manitoba. Initial project involves developing a 200 MW wind energy project, with both parties working toward a definitive agreement for Manitoba Hydro's upcoming procurement processes. Follows a year-long industry partner selection process evaluating values alignment, capacity, and project development capabilities.
• Nordion EnergiminorStrategic or Co-development Partner · 1 January 2025RES signed MoU with Nordion Energi for pre-feasibility study regarding development, construction and operation of a pipeline between Alby/Ljungaverk and Sundsvall for green hydrogen infrastructure.
• Ingeteam Service DivisionflagshipTechnology or Integration · 1 January 2024RES acquired Ingeteam's Renewable Service division in March 2024, expanding to 24 countries and 7 technologies. This acquisition created the world's largest independent renewable services provider, growing RES to 4,500 people.
• Kimberly-ClarkcoreStrategic or Co-development Partner · 1 January 2023RES and JV partner Octopus announced deal with Kimberly-Clark for green hydrogen tissue production at the Northfleet manufacturing facility in Gravesend, Kent. HYRO joint venture developing the green hydrogen electrolyser production and storage facility.
• Anemo AnalyticscoreTechnology or Integration · 1 January 2023RES acquired Anemo Analytics, a cutting edge Danish technology and engineering company offering sophisticated wind turbine analytics solutions for improved monitoring and performance optimization.
• IM Future (Spain)coreTechnology or Integration · 1 January 2023RES acquired IM Future in Spain, an experienced leader in wind energy maintenance strengthening RES's offering to customers in the Spanish market.
• Dost EnerjicoreStrategic or Co-development Partner · 1 January 2022RES providing new asset management services in Türkiye with 185MW contracts signed with Dost Enerji. Also sold Işıklar Wind Energy Project to Dost Enerji.
• Blueshore EnergycoreTechnology or Integration · 1 January 2022RES acquired Blueshore Energy strengthening asset management offering in Australia with specialized expertise and capabilities.

Scale indicators18 records

Recent moves12 records

Expansion highlights7 records

Direct peers

• Origis Energy: Independent renewable energy developer and operator with solar, storage, and wind development plus O&M services. Closest US-based independent competitor to RES's full-lifecycle model.
• Mortenson: Major US-based renewable EPC contractor across wind, solar, and storage. Directly competes with RES's US construction business, particularly in third-party construction and construction management services.
• Iberdrola: Utility-scale renewables developer and asset manager with global operations across wind, solar, and storage. Competes with RES on greenfield development, EPC partnerships, and asset management mandates in Europe, the Americas, and Australia.
• GE Vernova: Onshore and offshore wind OEM plus grid and digital services. Comparable to RES as an OEM-services hybrid targeting the same utility and developer customers with a growing digital and predictive maintenance portfolio.
• Acciona Energía: Pure-play renewable developer, constructor, and operator with strong presence in wind and storage. Highly comparable vertically integrated model to RES, including technology-agnostic wind O&M and a growing digital stack.
• Vestas: Global wind turbine OEM with a large, growing service business (multi-decade O&M, blade inspections, performance upgrades, digital offerings). Closest direct competitor to RES in wind lifecycle services and a benchmark for monetizing digital across an installed base.
• EDF Renewables: Global renewable developer, constructor, and asset manager across wind, solar, and storage. Directly comparable full-lifecycle model to RES, though backed by EDF parent balance sheet rather than independent.
• Fluence Energy: Global energy storage system integrator and service provider. Competes with RES on BESS EPC and asset management and partners with RES on projects such as the Avantus Kitt Solar and Storage Project (Fluence equipment with RES EPC).
• Siemens Energy: Provides wind turbines (Siemens Gamesa), grid technologies, and service operations across the renewable lifecycle. Competes head-to-head with RES on offshore/onshore wind service contracts and increasingly on energy storage and grid integration.

Broad incumbents

• ENGIE: Large global utility with major renewable development and services arms. Wider portfolio than RES (gas, networks, services), but directly competes for utility-scale renewable project mandates and corporate PPAs.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCmXLghHq8E8NzEN4LpXmWvw
• LinkedInlinkedin.com/company/res-group
• Xx.com/resgroup
• Facebookfacebook.com/RESAmericas

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries5 records

Funding overview

Funding rounds1 record

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 RES