Sector portfolio · Growth fund · United States

Citibank's Cleantech portfolio

Citibank has backed 15 Cleantech startups in rounds we track, $2.6B between them, shown by the stage each has reached. The best-funded is Enpal.

15startups backed
5stages
$2.6Braised between them
Stage not reportedbiggest stage

Citibank's whole portfolioCitibank's profile

Stage not reported

5

Series A

3

Growth

3

Series B

2

Pre-seed and seed

2

Segment by segment

Stage not reported

5 startups · $973M raised

  1. NineDot EnergyNineDot Energy develops battery storage sites and other energy solutions.United States$431M
  2. Estuary PowerEstuary Power develops, sponsors, and finances energy projects.United States$340M
  3. Aspen PowerAspen Power Partners is a distributed generation platform with the dual mission of accelerating and democratizing decarbonization.United States$200M
  4. Capital Good FundCapital Good Fund is a community development financial firm that provides loans and financial services.United States$2.1M
  5. MicroEra PowerSustainable Low-cost, low-carbon HVAC for C&I buildingsUnited States$275K

Series A

3 startups · $32M raised

  1. HubcycleHUBCYCLE is a pioneering circular ingredients company based in France, focused on transforming food industry by-products into certFrance$16M
  2. BYBeike YunhongBeike Yunhong is a new materials company that offers full services for disposal of hazardous waste and multi-source bulk industrial waste.-$14M
  3. GameChange SolarGameChange Solar are changing the world by making the solar affordable.United States$1.7M

Growth

3 startups · $1.5B raised

  1. EnpalEnpal is a photovoltaics leasing firm that provides solar power systems for homeowners.Germany$1.0B
  2. Peregrine EnergyPeregrine Energy is a manufacturing company that specializes in the acquisition, development, and operations of renewable assets.United States$317M
  3. CHCNNC HuinengCNNC Huineng is a platform for the development, construction, operation of non-nuclear new energy industries.China$109M

Series B

2 startups · $53M raised

  1. SustainCERTSustainCERT is a carbon emissions accounting and verification platform for carbon markets and corporate value chains.Luxembourg$37M
  2. RHRongke HydrogenRongke Hydrogen is a hydrogen fuel cell R&D company, mainly engaged in hydrogen fuel cell research, manufacturing, and sales.China$16M

Pre-seed and seed

2 startups · $48M raised

  1. RayloRaylo is a UK-based technology subscription and leasing platform that promotes a circular economy for consumer electronics.United Kingdom$42M
  2. AAlcoveUnited States$6.0M

How this map is made. Every startup here works in Cleantech and has raised money in a round we track that names Citibank as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.

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