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Idex

Delivers local low-carbon energy services

Overview

Idex provides energy services for heating, cooling and reducing carbon emissions across residential, commercial, and industrial properties. It manages heating and cooling networks, ensures energy supply security, and reduces energy use by implementing advanced energy systems like Kocliko, which spreads heating costs based on each residence’s configuration. Revenue comes from service contracts, energy sales, and deploying energy systems. Idex focuses on local, low-carbon energy solutions and uses renewable and recovered energy to maximize self-reliance. Its goal is to help customers lower carbon footprints while increasing energy efficiency and resilience.

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About Idex

Simplify's Rating
Why Idex is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Industrial & ManufacturingEnergy

Company Size

1,001-5,000

Company Stage

Acquired

Total Funding

$220M

Headquarters

Boulogne-Billancourt, France

Founded

1963

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Simplify's take

What believers are saying

  • 2025 revenue reached €2.1 billion, with €210 million EBITDA and €296 million investment.
  • Bordeaux’s €134 million concession adds 40 km network and 20,300 homes.
  • Idex entered Italy in 2026 and launched Nuada biogenic CO2 capture.

What critics are saying

  • Bordeaux’s €134 million project concentrates capital and execution risk through 2026.
  • Idex’s 64.7% renewable network mix misses its 75% 2030 target.
  • A French concession slowdown would starve growth and expose the capital-heavy model.

What makes Idex unique

  • Idex is France’s only vertically integrated local-energy operator, spanning design to operations.
  • Its 2026 portfolio mixes district heating, geothermal, biomass, solar, and waste-heat recovery.
  • Long concessions like Bordeaux Métropole Sud Énergies lock in predictable cash flows.

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Funding

Total Funding

$220M

Above

Industry Average

Funded Over

2 Rounds

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