# Temasek Holdings' Energy Investments: 11 Startups in Its Portfolio (2026)

> The 11 Energy startups Temasek Holdings has backed, by stage: $8.4B raised between them. From the rounds we track; updated nightly.

Source: https://millionrounds.com/portfolio-maps/temasek-energy-portfolio (Millionrounds; every figure on the page links to its filing or article)

## Growth

4

- [Origo Exploration](https://millionrounds.com/company/origo-exploration)
- [O2 Power](https://millionrounds.com/company/o2-power)
- [Mainspring Energy](https://millionrounds.com/company/mainspring-energy)
- [CleanMax](https://millionrounds.com/company/cleanmax)

## Stage not reported

4

- [Cypress Creek Renewables](https://millionrounds.com/company/cypress-creek-renewables)
- [*S* Ses](https://millionrounds.com/company/ses)
- [Amperesand](https://millionrounds.com/company/amperesand)
- [Sonocharge Energy](https://millionrounds.com/company/sonocharge-energy)

## Series C and later

3

- [Form Energy](https://millionrounds.com/company/form-energy)
- [Antora Energy](https://millionrounds.com/company/antora-energy)
- [Gogoro](https://millionrounds.com/company/gogoro)

## Segment by segment

### Growth

4 startups · $1.4B raised

- [**Origo Exploration**](https://millionrounds.com/company/origo-exploration) Origo Exploration provides oil and gas exploration and production services in Norway and the United Kingdom. Norway $525M
- [**O2 Power**](https://millionrounds.com/company/o2-power) O2 Power is a renewable energy and environment counseling company. India $500M
- [**Mainspring Energy**](https://millionrounds.com/company/mainspring-energy) Mainspring Energy is a power generation company based in Menlo Park, California, founded in 2010. United States $258M
- [**CleanMax**](https://millionrounds.com/company/cleanmax) CleanMax is an Indian rooftop solar developer. India $165M

### Stage not reported

4 startups · $3.9B raised

- [**Cypress Creek Renewables**](https://millionrounds.com/company/cypress-creek-renewables) Cypress Creek Renewables is a national provider of local solar. United States $3.5B
- [*S* **Ses**](https://millionrounds.com/company/ses) SES offers tools, knowledge and materials that help divorced parents deal with their challenges. United States $288M
- [**Amperesand**](https://millionrounds.com/company/amperesand) Amperesand is a Singapore-based deep-tech company founded in 2023, specializing in the design and manufacture of Medium Voltage So Singapore $110M
- [**Sonocharge Energy**](https://millionrounds.com/company/sonocharge-energy) Sonocharge Energy develops a technology that enables batteries to charge. United States $24M

### Series C and later

3 startups · $3.1B raised

- [**Form Energy**](https://millionrounds.com/company/form-energy) Form Energy develops and commercializes a low-cost battery system that can store wind and solar energy for a long duration. United States $2.0B
- [**Antora Energy**](https://millionrounds.com/company/antora-energy) Antora Energy is an American energy technology company founded in 2018, focused on developing modular thermal batteries that provi United States $565M
- [**Gogoro**](https://millionrounds.com/company/gogoro) Our society is at a tipping point. Taiwan $542M

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

## More portfolio maps

[All portfolios](https://millionrounds.com/portfolio-maps)

[Sector portfolio **Temasek Holdings' AI portfolio** 42 startups · $184B](https://millionrounds.com/portfolio-maps/temasek-ai-portfolio)[Sector portfolio **Temasek Holdings' Biotech portfolio** 30 startups · $6.1B](https://millionrounds.com/portfolio-maps/temasek-biotech-portfolio)[Sector portfolio **Temasek Holdings' Fintech portfolio** 18 startups · $7.1B](https://millionrounds.com/portfolio-maps/temasek-fintech-portfolio)[Sector portfolio **Temasek Holdings' Agtech portfolio** 12 startups · $1.5B](https://millionrounds.com/portfolio-maps/temasek-agtech-portfolio)[Co-investors **Who invests with Temasek Holdings** 292 co-investors](https://millionrounds.com/portfolio-maps/temasek-co-investors)[Portfolio map **Temasek Holdings portfolio map** 170 startups · $279B](https://millionrounds.com/portfolio-maps/temasek-portfolio-map)

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