TerraPower valuation, funding and investors
TerraPower works in advanced reactor design and development, based in Bellevue, United States. Founded in 2008, it has about 1,080 employees.
Renewable energy companies Growth Equity
VALUATION · TODAY
$8.32B +0% after Growth
Range $4.43B – $12.66B · Grade BTODAY
+12 MO
$5.00B
$10.00B
$15.00B
$20.00B
2009
2011
2013
2015
2017
2019
2021
2023
2025
2027
Series B $35.0M
Growth $830M
Growth $650M
ValuationBefore first round12-month outlook: where it points, how wide it fansHover the past: the outlook shows what was predicted then
HEADCOUNT · TODAY1,077 employees
+8%6m growth
+16%1y growth
+46%2y growth
500
1,000
1,500
Data from Jan 2021
Predicted in 1 yr $8.32B +0% vs today
Predicted next raise $748M if a round comes
Winding-down probability 0%
- Last round
- Growth · $650M · Jun 2025
- Valuation at last round
- $7.22B · implied
- Headcount
- 1,077 · up
- Grade
- B
- Founded
- 2008
TerraPower valuation today
VCMC values TerraPower at $8.3B today, with a range of $4.4B to $12.7B and a grade of B. The valuation starts from its last funding round, a growth round in Jun 2025.
Valuation by date (230 rows)
Each point is what the model would have shown on that date, using only what was known then; before its first round, a company is valued as a startup because it later raised.
| Date | Valuation | Range | Predicted in 1 yr | Phase | Headcount | Trend | Grade | Winding-down probability |
|---|---|---|---|---|---|---|---|---|
| 1 Jan 2008 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Feb 2008 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Mar 2008 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Apr 2008 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 May 2008 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Jun 2008 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Jul 2008 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Aug 2008 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Sep 2008 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Oct 2008 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Nov 2008 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Dec 2008 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Jan 2009 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Feb 2009 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Mar 2009 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Apr 2009 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 May 2009 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Jun 2009 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Jul 2009 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Aug 2009 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Sep 2009 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Oct 2009 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Nov 2009 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Dec 2009 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Jan 2010 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Feb 2010 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Mar 2010 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Apr 2010 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 May 2010 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 1 Jun 2010 | $4.97M | $1.81M – $13.7M | $4.97M (0%) | before first round | – | unknown | D | 0% |
| 16 Jun 2010 | $250M | $164M – $571M | $375M (+50%) | after a round | – | unknown | C | 0% |
| 1 Jul 2010 | $254M | $164M – $571M | $375M (+47%) | after a round | – | unknown | C | 0% |
| 1 Aug 2010 | $263M | $164M – $571M | $375M (+42%) | after a round | – | unknown | C | 0% |
| 1 Sep 2010 | $273M | $164M – $571M | $375M (+38%) | after a round | – | unknown | C | 0% |
| 1 Oct 2010 | $282M | $164M – $571M | $375M (+33%) | after a round | – | unknown | C | 0% |
| 1 Nov 2010 | $292M | $164M – $571M | $375M (+29%) | after a round | – | unknown | C | 0% |
| 1 Dec 2010 | $302M | $164M – $571M | $375M (+24%) | after a round | – | unknown | C | 0% |
| 1 Jan 2011 | $312M | $164M – $571M | $375M (+20%) | after a round | – | unknown | C | 0% |
| 1 Feb 2011 | $323M | $164M – $571M | $375M (+16%) | after a round | – | unknown | C | 0% |
| 1 Mar 2011 | $333M | $164M – $571M | $375M (+13%) | after a round | – | unknown | C | 0% |
| 1 Apr 2011 | $345M | $164M – $571M | $375M (+9%) | after a round | – | unknown | C | 0% |
| 1 May 2011 | $357M | $164M – $571M | $375M (+5%) | after a round | – | unknown | C | 0% |
| 1 Jun 2011 | $369M | $164M – $571M | $375M (+2%) | after a round | – | unknown | C | 0% |
| 1 Jul 2011 | $375M | $161M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Aug 2011 | $375M | $154M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Sep 2011 | $375M | $147M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Oct 2011 | $375M | $141M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Nov 2011 | $375M | $135M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Dec 2011 | $375M | $129M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Jan 2012 | $375M | $124M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Feb 2012 | $375M | $118M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Mar 2012 | $375M | $113M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Apr 2012 | $375M | $109M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 May 2012 | $375M | $104M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Jun 2012 | $375M | $99.5M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Jul 2012 | $375M | $87.7M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Aug 2012 | $375M | $83.4M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Sep 2012 | $375M | $79.2M – $571M | $375M (0%) | after a round | – | unknown | C | 0% |
| 1 Oct 2012 | $375M | $75.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Nov 2012 | $375M | $71.7M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Dec 2012 | $375M | $68.2M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jan 2013 | $375M | $64.9M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Feb 2013 | $375M | $61.6M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Mar 2013 | $375M | $58.9M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Apr 2013 | $375M | $55.9M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 May 2013 | $375M | $53.2M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jun 2013 | $375M | $50.6M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jul 2013 | $375M | $48.2M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Aug 2013 | $375M | $45.8M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Sep 2013 | $375M | $43.5M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Oct 2013 | $375M | $41.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Nov 2013 | $375M | $39.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Dec 2013 | $375M | $37.5M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jan 2014 | $375M | $35.6M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Feb 2014 | $375M | $33.8M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Mar 2014 | $375M | $32.3M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Apr 2014 | $375M | $30.7M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 May 2014 | $375M | $29.2M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jun 2014 | $375M | $27.8M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jul 2014 | $375M | $26.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Aug 2014 | $375M | $25.1M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Sep 2014 | $375M | $23.9M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Oct 2014 | $375M | $22.7M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Nov 2014 | $375M | $21.6M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Dec 2014 | $375M | $20.6M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jan 2015 | $375M | $19.5M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Feb 2015 | $375M | $18.6M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Mar 2015 | $375M | $17.7M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Apr 2015 | $375M | $16.9M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 May 2015 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jun 2015 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jul 2015 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Aug 2015 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Sep 2015 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Oct 2015 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Nov 2015 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Dec 2015 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jan 2016 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Feb 2016 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Mar 2016 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Apr 2016 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 May 2016 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jun 2016 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jul 2016 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Aug 2016 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Sep 2016 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Oct 2016 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Nov 2016 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Dec 2016 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jan 2017 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Feb 2017 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Mar 2017 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Apr 2017 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 May 2017 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jun 2017 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jul 2017 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Aug 2017 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Sep 2017 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Oct 2017 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Nov 2017 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Dec 2017 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jan 2018 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Feb 2018 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Mar 2018 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Apr 2018 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 May 2018 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jun 2018 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jul 2018 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Aug 2018 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Sep 2018 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Oct 2018 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Nov 2018 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Dec 2018 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jan 2019 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Feb 2019 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Mar 2019 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Apr 2019 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 May 2019 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jun 2019 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jul 2019 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Aug 2019 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Sep 2019 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Oct 2019 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Nov 2019 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Dec 2019 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jan 2020 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Feb 2020 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Mar 2020 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Apr 2020 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 May 2020 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jun 2020 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jul 2020 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Aug 2020 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Sep 2020 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Oct 2020 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Nov 2020 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Dec 2020 | $375M | $16.4M – $571M | $375M (0%) | after a round | – | unknown | D | 0% |
| 1 Jan 2021 | $375M | $16.4M – $571M | $375M (0%) | after a round | 170 | unknown | D | 0% |
| 1 Feb 2021 | $375M | $16.4M – $571M | $375M (0%) | after a round | 170 | unknown | D | 0% |
| 1 Mar 2021 | $375M | $16.4M – $571M | $375M (0%) | after a round | 170 | unknown | D | 0% |
| 1 Apr 2021 | $250M | $16.4M – $380M | $250M (0%) | after a round | 170 | flat | D | 0% |
| 1 May 2021 | $250M | $16.4M – $380M | $250M (0%) | after a round | 170 | flat | D | 0% |
| 1 Jun 2021 | $250M | $16.4M – $380M | $250M (0%) | after a round | 170 | flat | D | 0% |
| 1 Jul 2021 | $250M | $16.4M – $380M | $250M (0%) | after a round | 170 | flat | D | 0% |
| 1 Aug 2021 | $250M | $16.4M – $380M | $250M (0%) | after a round | 170 | flat | D | 0% |
| 1 Sep 2021 | $250M | $16.4M – $380M | $250M (0%) | after a round | 170 | flat | D | 0% |
| 1 Oct 2021 | $250M | $16.4M – $380M | $250M (0%) | after a round | 170 | flat | D | 0% |
| 1 Nov 2021 | $250M | $16.4M – $380M | $250M (0%) | after a round | 170 | flat | D | 0% |
| 1 Dec 2021 | $250M | $16.4M – $380M | $250M (0%) | after a round | 170 | flat | D | 0% |
| 1 Jan 2022 | $250M | $16.4M – $380M | $250M (0%) | after a round | 170 | flat | D | 0% |
| 1 Feb 2022 | $375M | $78.4M – $571M | $375M (0%) | after a round | 320 | growing | C | 0% |
| 1 Mar 2022 | $375M | $78.4M – $571M | $375M (0%) | after a round | 320 | growing | C | 0% |
| 1 Apr 2022 | $375M | $78.4M – $571M | $375M (0%) | after a round | 320 | growing | C | 0% |
| 1 May 2022 | $375M | $78.4M – $571M | $375M (0%) | after a round | 320 | growing | C | 0% |
| 1 Jun 2022 | $375M | $78.4M – $571M | $375M (0%) | after a round | 320 | growing | C | 0% |
| 1 Jul 2022 | $375M | $78.4M – $571M | $375M (0%) | after a round | 320 | growing | C | 0% |
| 1 Aug 2022 | $375M | $78.4M – $571M | $375M (0%) | after a round | 320 | growing | C | 0% |
| 1 Sep 2022 | $375M | $78.4M – $571M | $375M (0%) | after a round | 320 | growing | C | 0% |
| 1 Oct 2022 | $375M | $78.4M – $571M | $375M (0%) | after a round | 320 | growing | C | 0% |
| 1 Nov 2022 | $375M | $16.4M – $571M | $375M (0%) | after a round | 320 | unknown | D | 0% |
| 4 Nov 2022 | $9.2B | $6.1B – $15.4B | $10.1B (+10%) | after a round | 320 | unknown | B | 0% |
| 1 Dec 2022 | $9.3B | $6.1B – $15.4B | $10.1B (+9%) | after a round | 320 | unknown | B | 0% |
| 1 Jan 2023 | $9.4B | $6.1B – $15.4B | $10.1B (+8%) | after a round | 320 | unknown | B | 0% |
| 1 Feb 2023 | $9.4B | $6.1B – $15.4B | $10.1B (+7%) | after a round | 320 | unknown | B | 0% |
| 1 Mar 2023 | $9.5B | $6.1B – $15.4B | $10.1B (+7%) | after a round | 320 | unknown | B | 0% |
| 1 Apr 2023 | $9.6B | $6.1B – $15.4B | $10.1B (+6%) | after a round | 470 | growing | B | 0% |
| 1 May 2023 | $9.7B | $6.1B – $15.4B | $10.1B (+5%) | after a round | 470 | growing | B | 0% |
| 1 Jun 2023 | $9.7B | $6.1B – $15.4B | $10.1B (+4%) | after a round | 470 | growing | B | 0% |
| 1 Jul 2023 | $9.8B | $6.1B – $15.4B | $10.1B (+3%) | after a round | 470 | growing | B | 0% |
| 1 Aug 2023 | $9.9B | $6.1B – $15.4B | $10.1B (+2%) | after a round | 470 | growing | B | 0% |
| 1 Sep 2023 | $10.0B | $6.1B – $15.4B | $10.1B (+2%) | after a round | 470 | unknown | B | 0% |
| 1 Oct 2023 | $10.1B | $6.1B – $15.4B | $10.1B (+1%) | after a round | 470 | unknown | B | 0% |
| 1 Nov 2023 | $10.1B | $6.1B – $15.4B | $10.1B (0%) | after a round | 470 | unknown | B | 0% |
| 1 Dec 2023 | $10.1B | $5.8B – $15.4B | $10.1B (0%) | after a round | 470 | unknown | B | 0% |
| 1 Jan 2024 | $10.1B | $5.5B – $15.4B | $10.1B (0%) | after a round | 470 | unknown | B | 0% |
| 1 Feb 2024 | $10.9B | $6.4B – $16.6B | $10.9B (0%) | after a round | 650 | growing | B | 0% |
| 1 Mar 2024 | $10.9B | $6.3B – $16.6B | $10.9B (0%) | after a round | 660 | growing | B | 0% |
| 1 Apr 2024 | $10.9B | $6.3B – $16.6B | $10.9B (0%) | after a round | 660 | growing | B | 0% |
| 1 May 2024 | $10.9B | $6.2B – $16.6B | $10.9B (0%) | after a round | 660 | growing | B | 0% |
| 1 Jun 2024 | $10.9B | $6.2B – $16.6B | $10.9B (0%) | after a round | 660 | growing | B | 0% |
| 1 Jul 2024 | $10.9B | $6.2B – $16.6B | $10.9B (0%) | after a round | 660 | growing | B | 0% |
| 1 Aug 2024 | $11.2B | $6.3B – $17.1B | $11.2B (0%) | after a round | 740 | growing | B | 0% |
| 1 Sep 2024 | $11.2B | $6.2B – $17.1B | $11.2B (0%) | after a round | 740 | growing | B | 0% |
| 1 Oct 2024 | $11.2B | $6.2B – $17.1B | $11.2B (0%) | after a round | 740 | growing | B | 0% |
| 1 Nov 2024 | $11.3B | $4.9B – $17.2B | $11.3B (0%) | after a round | 770 | up | C | 0% |
| 1 Dec 2024 | $11.3B | $4.4B – $17.2B | $11.3B (0%) | after a round | 770 | up | C | 0% |
| 1 Jan 2025 | $11.3B | $4.2B – $17.2B | $11.2B (-1%) | after a round | 770 | up | C | 0% |
| 1 Feb 2025 | $11.3B | $4.1B – $17.2B | $11.2B (-1%) | after a round | 770 | up | C | 0% |
| 1 Mar 2025 | $11.3B | $3.9B – $17.2B | $11.2B (-1%) | after a round | 770 | up | C | 0% |
| 1 Apr 2025 | $11.3B | $3.8B – $17.2B | $11.1B (-2%) | after a round | 770 | up | C | 0% |
| 1 May 2025 | $11.3B | $3.7B – $17.2B | $11.1B (-2%) | after a round | 770 | up | C | 0% |
| 1 Jun 2025 | $11.3B | $3.6B – $17.2B | $11.0B (-2%) | after a round | 770 | up | C | 0% |
| 19 Jun 2025 | $7.2B | $4.7B – $12.1B | $7.9B (+10%) | after a round | 770 | up | B | 0% |
| 1 Jul 2025 | $7.2B | $4.7B – $12.1B | $7.9B (+10%) | after a round | 875 | up | B | 0% |
| 1 Aug 2025 | $7.3B | $4.8B – $12.1B | $8.0B (+9%) | after a round | 893 | growing | B | 0% |
| 1 Sep 2025 | $7.4B | $4.8B – $12.1B | $8.0B (+8%) | after a round | 893 | growing | B | 0% |
| 1 Oct 2025 | $7.5B | $4.8B – $12.2B | $8.0B (+8%) | after a round | 928 | up | B | 0% |
| 1 Nov 2025 | $7.5B | $4.8B – $12.2B | $8.0B (+7%) | after a round | 928 | up | B | 0% |
| 1 Dec 2025 | $7.6B | $4.8B – $12.2B | $8.0B (+6%) | after a round | 928 | up | B | 0% |
| 1 Jan 2026 | $7.7B | $4.8B – $12.2B | $8.0B (+5%) | after a round | 928 | up | B | 0% |
| 1 Feb 2026 | $7.8B | $4.9B – $12.4B | $8.2B (+5%) | after a round | 997 | up | B | 0% |
| 1 Mar 2026 | $7.9B | $4.9B – $12.4B | $8.2B (+4%) | after a round | 997 | up | B | 0% |
| 1 Apr 2026 | $8.0B | $4.9B – $12.4B | $8.2B (+3%) | after a round | 997 | up | B | 0% |
| 1 May 2026 | $8.1B | $4.9B – $12.5B | $8.2B (+2%) | after a round | 1,027 | up | B | 0% |
| 1 Jun 2026 | $8.2B | $4.9B – $12.5B | $8.2B (+1%) | after a round | 1,027 | up | B | 0% |
| 1 Jul 2026 | $8.2B | $4.9B – $12.5B | $8.2B (0%) | after a round | 1,027 | up | B | 0% |
| 1 Aug 2026 | $8.3B | $4.7B – $12.6B | $8.3B (0%) | after a round | 1,049 | up | B | 0% |
| 1 Sep 2026 | $8.3B | $4.6B – $12.6B | $8.3B (0%) | after a round | 1,049 | up | B | 0% |
| 1 Oct 2026 | $8.3B | $4.5B – $12.7B | $8.3B (0%) | after a round | 1,077 | up | B | 0% |
| 24 Oct 2026 | $8.3B | $4.4B – $12.7B | $8.3B (0%) | after a round | 1,077 | up | B | 0% |
Key facts about TerraPower
- Founded
- 2008
- Headquarters
- Bellevue, United States
- Employees
- about 1,080 +16% in a year
- Total raised
- $1.51B
- Funding rounds
- 3
- Last round
- Growth Equity Jun 2025
TerraPower was founded in 2008 by Bill Gates and John Gilleland.
TerraPower funding history
TerraPower has 3 funding rounds on record, from Jun 2010 to Jun 2025, $1.51B in total. None disclosed a valuation.
Growth Equity 18 Jun 2025
Led by NVentures; with HD Hyundai, Breakthrough Energy.
Sources: terrapower.com, tribune.com.pk, nucnet.org and 3 more
$650M
Growth Equity 3 Nov 2022
Led by SK Inc.; with ArcelorMittal, Korea Shipbuilding and Offshore Engineering.
Sources: terrapower.com
$830M
Series B 15 Jun 2010
Led by CRV; with Khosla Ventures.
Sources: privateequitywire.co.uk, atomicinsights.com, bellevuereporter.com and 1 more
$35M
TerraPower investors
8 investors have backed TerraPower; CRV, NVentures and SK Inc. led at least one round.
- CRV lead
- NVentures lead
- SK Inc. lead
- ArcelorMittal
- Breakthrough Energy
- HD Hyundai
- Khosla Ventures
- Korea Shipbuilding and Offshore Engineering
What TerraPower does
TerraPower works in renewable energy companies, with 14 recorded offerings and customers in energy and healthcare.
TerraPower, LLC is an American nuclear technology company engaged in the design, development, and manufacturing of nuclear reactors and energy storage systems. The company specializes in the creation of traveling wave reactors and sodium-cooled fast reactors, and develops molten salt energy storage systems to support high-renewable penetration grids. TerraPower also conducts research and development in nuclear science, including the extraction of radioisotopes for medical applications, with a focus on precision medicine. The company is involved in public-private partnerships and participates in the U.S. Department of Energy's Advanced Reactor Demonstration Program.
Description from Veridion's company data.
Products and services
- Advanced Reactor Design and Development
- Nuclear Energy Solutions
- Sodium-Cooled Fast Reactor Manufacturing
- Molten Salt Energy Storage System Development
- Renewable Grid Integration Solutions
- Isotopic Production for Medical Applications
- Precision Medicine Isotope Development
- Nuclear Science Advancement Services
- Public-Private Nuclear Energy Partnership Development
- Clean Energy Technology Innovation
- Carbon-Free Energy Solutions
- High-Temperature Reactor Engineering
- Low-Pressure Reactor Engineering
- Gigawatt-Scale Energy Storage System Deployment
Markets
- Energy
- Healthcare
Technology
- Natrium Reactor Technology
- Molten Salt Energy Storage
- Traveling Wave Reactor Technology
- Radioisotope Extraction for Cancer Treatment
Business model
- Business-to-Business
- Manufacturing
- Enterprise
Industry codes (NAICS)
- 541330 Engineering Services 70% match
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 30% match
Questions about TerraPower
What is TerraPower worth?
Valuation $8.3B (range $4.4B to $12.7B), as of 24 Oct 2026.
Has TerraPower raised money?
TerraPower has 3 funding rounds on record, from Jun 2010 to Jun 2025, $1.51B in total. None disclosed a valuation.
Who has invested in TerraPower?
CRV, NVentures, SK Inc., ArcelorMittal, Breakthrough Energy and HD Hyundai, and 2 more. Lead investors include CRV, NVentures and SK Inc..
How many people work at TerraPower?
About 1,080, up 16% over the last year. Headcount grew from 170 in Jan 2021 to 1,077 in Sep 2026.
What does TerraPower do?
TerraPower works in renewable energy companies, with 14 recorded offerings and customers in energy and healthcare. Its main offerings are advanced reactor design and development, nuclear energy solutions and sodium-cooled fast reactor manufacturing.
When was TerraPower founded, and where is it based?
TerraPower was founded in 2008 and is based in Bellevue, United States. It has about 1,080 employees, up 16% over the last year.