Nth Power
VC Fund
San Francisco, United States
Nth Power is a venture capital firm based in San Francisco and is the first and most experienced venture capital firm funding promising startup companies in the growing sector of energy technology, materials and other related businesses. With $420 million under management in four funds and an investment record that begins in 1997, Nth Power iswidely known and well regarded as the driving force behind many of the most successful energy technology companies.The firm’s leading history in energy related venture capital is the result of a deep network of energy entrepreneurs, universities and research institutions, unmatched corporate relationships and the backing of institutional capital. And because the firm is located in the center of much of where energy is innovating, Nth Power plays a visionary role in pushing forward the businesses that are addressing some of the worlds most pressing energy challenges.
- Total investments:
- 40
- Last investment:
- Lead investor:
- 15%
Last updated:
For AI agents: llms.txt
Industries Nth Power invests in
Stages Nth Power invests in
Countries Nth Power invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Series B
- $6M–$26M
- Series C
- $8M–$32M
Investment Focus
Industry
- Energy 9 (23%)
- Software 6 (15%)
- Manufacturing 4 (10%)
- Wireless 3 (8%)
- Oil and Gas 3 (8%)
Stage
- Series B 10 (25%)
- Series C 10 (25%)
- Funding Round 8 (20%)
- Series A 3 (8%)
- Series E 1 (3%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Nancy Floyd
Founder & Managing Director
|
Founder & Managing Director | Total investments: 5 | Find email | |
Bryant J. Tong
Managing Director
|
Managing Director | Total investments: 0 | Find email | |
Elaine Erickson
CFO
|
CFO | Total investments: 0 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Tempronics
|
Tempronics is developing devices to revolutionize the way we cool things and generate electricity.Thermoelectric devices have the potential to replace rotating machines used today for cooling and power generation, including compressors, gas turbines, steam turbines and electrical generators. These machines are noisy, heavy, and wear out frommoving parts. Thermoelectric devices are solid state chips that are lighter, silent, potentially more efficient, and do not require environmentally damaging fluids like Freon. | $9.5M / Series C / Sep 13, 2016 | |
FirstFuel Software
|
FirstFuel Software provides a customer intelligence platform that transforms energy providers into trusted advisors to their business customers. FirstFuel’s SaaS solutions accelerate customer acquisition, optimize energy efficiency and DSM programs, and boost customer engagement and satisfaction. The company draws on deep domain expertise in dataanalytics, building science, and software in its deployments with large utilities, energy service providers, and government agencies in North America and Europe.Requiring only electric or gas utility meter data and address, FirstFuel produces a remote set of building-specific performance benchmarks and custom recommendations that utilities and energy service providers use to target, guide and enable their sales, service and engagement activities with commercial customers.Founded in 2009 and privately held, FirstFuel is headquartered in Lexington, MA. For more information, please visit www.firstfuel.com. | $23M / Series C / Apr 08, 2015 | |
GlassPoint Solar
|
GlassPoint provides solar steam generators to the oil and gas industry for applications such as Enhanced Oil Recovery. It replaces gas-fired steam generation with solar, GlassPoint can reduce EOR gas consumption by up to 80 percent. The company was founded in 2008 and headquartered in Fremont, California. | $53M / Series C / Sep 08, 2014 | |
|
FirstFuel Software
|
FirstFuel Software provides a customer intelligence platform that transforms energy providers into trusted advisors to their business customers. FirstFuel’s SaaS solutions accelerate customer acquisition, optimize energy efficiency and DSM programs, and boost customer engagement and satisfaction. The company draws on deep domain expertise in dataanalytics, building science, and software in its deployments with large utilities, energy service providers, and government agencies in North America and Europe.Requiring only electric or gas utility meter data and address, FirstFuel produces a remote set of building-specific performance benchmarks and custom recommendations that utilities and energy service providers use to target, guide and enable their sales, service and engagement activities with commercial customers.Founded in 2009 and privately held, FirstFuel is headquartered in Lexington, MA. For more information, please visit www.firstfuel.com. | $8.5M / Series B / Dec 10, 2013 | |
SynapSense
|
SynapSense provides complete wireless instrumentation solutions that offer energy efficiency and carbon footprint reduction for the world's leading data centers and enterprises. | $4M / Jul 11, 2013 | |
|
GlassPoint Solar
|
GlassPoint provides solar steam generators to the oil and gas industry for applications such as Enhanced Oil Recovery. It replaces gas-fired steam generation with solar, GlassPoint can reduce EOR gas consumption by up to 80 percent. The company was founded in 2008 and headquartered in Fremont, California. | $26M / Series B / Dec 11, 2012 | |
|
GlassPoint Solar
|
GlassPoint provides solar steam generators to the oil and gas industry for applications such as Enhanced Oil Recovery. It replaces gas-fired steam generation with solar, GlassPoint can reduce EOR gas consumption by up to 80 percent. The company was founded in 2008 and headquartered in Fremont, California. | $1.2M / Oct 01, 2012 | |
|
FirstFuel Software
|
FirstFuel Software provides a customer intelligence platform that transforms energy providers into trusted advisors to their business customers. FirstFuel’s SaaS solutions accelerate customer acquisition, optimize energy efficiency and DSM programs, and boost customer engagement and satisfaction. The company draws on deep domain expertise in dataanalytics, building science, and software in its deployments with large utilities, energy service providers, and government agencies in North America and Europe.Requiring only electric or gas utility meter data and address, FirstFuel produces a remote set of building-specific performance benchmarks and custom recommendations that utilities and energy service providers use to target, guide and enable their sales, service and engagement activities with commercial customers.Founded in 2009 and privately held, FirstFuel is headquartered in Lexington, MA. For more information, please visit www.firstfuel.com. | $10M / Series A / Feb 23, 2012 | |
CalStar Products
|
CalStar Products develops, manufactures and sells low-energy, low-CO2 green building products for commercial exteriors and hardscapes. Headquartered in Caledonia, Wisconsin, CalStar is redefining the next generation of green masonry products. | $22.2M / Debt Financing / Jan 01, 2012 | |
|
FirstFuel Software
|
FirstFuel Software provides a customer intelligence platform that transforms energy providers into trusted advisors to their business customers. FirstFuel’s SaaS solutions accelerate customer acquisition, optimize energy efficiency and DSM programs, and boost customer engagement and satisfaction. The company draws on deep domain expertise in dataanalytics, building science, and software in its deployments with large utilities, energy service providers, and government agencies in North America and Europe.Requiring only electric or gas utility meter data and address, FirstFuel produces a remote set of building-specific performance benchmarks and custom recommendations that utilities and energy service providers use to target, guide and enable their sales, service and engagement activities with commercial customers.Founded in 2009 and privately held, FirstFuel is headquartered in Lexington, MA. For more information, please visit www.firstfuel.com. | $2.4M / Sep 22, 2011 | |
| See all 40 investments → | |||
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FAQ
What does Nth Power invest in?
Nth Power invests primarily in Energy, Software and Manufacturing startups, most often at Series B and Series C stage. Most of the 40 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Nth Power invest in?
Nth Power typically joins rounds of $6M–$26M at Series B and $8M–$32M at Series C. These are whole funding-round sizes, not Nth Power's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Nth Power took part in.
How do I contact Nth Power?
Public channels for Nth Power include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Nth Power?
The team at Nth Power includes Nancy Floyd (Founder & Managing Director), Bryant J. Tong (Managing Director) and Elaine Erickson (CFO). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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