Startup · United Kingdom
tem
HQ London, United KingdomFounded 202151-200 employeesUpdated
Develops AI-based electricity transaction infrastructure for businesses.
Funding1 round · $75.0M
- Equity raised
- $75.0M
- Latest
- $75.0MSeries B · Feb 10, 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Feb 10, 2026 | Series B | $75.0M | — | Lightspeed Venture Partners | — | Reported |
- Series BLed by Lightspeed Venture Partners$75.0MFeb 10, 2026
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Capabilities1
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Power, grids and energy storage | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: AI-based electricity transaction infrastructure for businesses, an energy-market service with no defense use stated. | Reported |
- Developerclassify_sectors run 37, haiku, taxonomy 2026-10-18b: AI-based electricity transaction infrastructure for businesses, an energy-market service with no defense use stated.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
People4
| Person | Role |
|---|---|
| Bartlomiej Szostek | Co-founder |
| Jason Stocks | Co-founder |
| Joe McDonald | Co-founder |
| Ross Mackay | Co-founder |
Sources5
Profile3
- 1
- 2
Supports Organization · linkedin url
“https://www.linkedin.com/company/tem-energy/”
- 3
Funding1
- 4
Supports Funding round, Funding round · investors, Organization, Organization · ownership
“tem raised $75 million in an oversubscribed Series B round led by Lightspeed Venture Partners, and Paul Murphy will join the board. Other investors include Hitachi Ventures, Voyager Ventures, Schroders Capital, AlbionVC, Atomico, and Allianz, bringing total funding to $94 million.”
People1
- 5
Supports Organization · founded year, Role
“Founded in 2021 by Joe McDonald, Jason Stocks, Bartlomiej Szostek, and Ross Mackay”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.