Invenergy vs RES

Invenergy logo

Invenergy

Energy Innovation. Trusted Execution

2462 employees · est. 2001 · Chicago, United States

VS
RES logo

RES

Power for good

4368 employees · est. 1981 · Kings Langley, United Kingdo...

RES is the older company (2001 vs 1981).

Side-by-Side Comparison

Invenergy RES
Founded
2001 1981 older
Headquarters
Chicago, United States Kings Langley, United Kingdom
Employees
2462 4368
Industry
Energy, Renewable Energy, Marketing Energy, Renewable Energy, Clean Energy
Funding Stage
Debt Financing Venture round
Total Funding
$11.97B Not tracked yet
Funding Rounds
15 1
Services
Energy Project Development, Energy Production and Management, Transmission Line Infrastructure, Energy Storage Solutions, Renewable Energy Solutions Development of clean energy projects, Construction and construction management services, Operations and maintenance support, Asset management and optimization, Digital solutions and AI-driven analytics, Consultancy and advisory throughout project lifecycle, Spares supply and repair, Control centre services
Target Customers
Communities, Landowners, Energy Consumers, Manufacturing Companies, Corporate Partners Landowners, Local communities, Investors, Third-party construction entities, Utility companies
Taxonomy
Power Infrastructure DevelopmentRenewable Energy SolutionsNatural Gas Power GenerationSolar EnergyWind EnergyEnergy Storage +9 Onshore WindOffshore WindSolar EnergyEnergy StorageGreen HydrogenTransmission And Distribution +7
Website
invenergy.com res-group.com
Invenergy logo

About Invenergy

Invenergy, established in 2001 and headquartered in the United States, positions itself as North America’s largest privately held developer, owner, and operator of innovative power infrastructure. Their slogan, "Energy Innovation. Trusted Execution.", underscores a commitment to reliability and adva...

RES logo

About RES

RES, with its slogan "Power for good", stands as the world’s largest independent renewable energy company. Founded in 1981 and headquartered in the United Kingdom, RES operates across 24 countries, covering sectors like wind, solar, energy storage, green hydrogen, and transmission and distribution....

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Frequently Asked Questions

Invenergy was founded in 2001, based in Chicago, United States, with 2,462 employees. Invenergy, established in 2001 and headquartered in the United States, positions itself as North America’s largest privately held developer, owner, and operator of innovative power infrastructure. The. RES was founded in 1981, based in Kings Langley, United Kingdom, with 4,368 employees. RES, with its slogan "Power for good", stands as the world’s largest independent renewable energy company. Founded in 1981 and headquartered in the United Kingdom, RES operates across 24 countries, co.
Invenergy has raised $11.97B and RES no disclosed funding. Latest stage: Invenergy Debt Financing, RES Venture round.
Both work in Energy and Renewable Energy and list renewable energy solutions, solar energy and energy storage among their focus areas.

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Compiled from the BounceWatch company index. We last looked at Invenergy on 1 Jun 2026, and RES on 30 Apr 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.

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