About Lime Rock New Energy
Lime Rock New Energy, established in 2003, is a social impact fund primarily based in Westport, United States. It primarily finances Series A rounds for companies based in United States. Its portfolio includes 5 firms, spanning the High Tech, Enterprise Applications sectors.
Its latest investment was a Undisclosed Unattributed round in Boulder Imaging on Apr 08, 2026.
Key Metrics
Founded Year
2003
Location
Westport, United States
Portfolio Companies
Sectors of Investment
Stages of Investment
PE, Series A & 3 more
Locations of Investment
Lime Rock New Energy's List of All Investments
Lime Rock New Energy has a portfolio of 5 companies. Their most notable investments are in Qmerit and Aperia Tech.Their portfolio spans across and United States. They have invested in High Tech, Enterprise Applications, Auto Tech and 5 other sectors, across stages such as PE, Series A and 3 more. Here is the list of all investments by Lime Rock New Energy:1. Aperia Tech
Platform providing tire inflation monitoring solutions for trucks and trailers. It develops a tire inflation monitoring device installed on vehicle wheels to detect pressure levels and enable preventive maintenance. The technology is designed for fleet owners aiming to reduce maintenance costs and improve fuel efficiency.
Key facts about Aperia Tech
- Founded Year: 2010
- Location: Burlingame (United States)
- Stage: Series D
- Total Funding till date: $150M
- Employee Count: 169 as on Mar 31, 2026
- Investors: For Good Ventures, Blackhorn Ventures and 14 Others
- Latest Funding Round: Series D, Mar 21, 2023, $*****
- Highlight: Editors' Pick
2. Smart Wires
Provider of technology to enhance electric grid capacity and flexibility. The company offers solutions for actively managing power flows and reducing congestion. These technologies create firm capacity on existing transmission assets. The company's offerings enable a faster, more cost-efficient path to meet growing energy demand with clean energy generation.
Key facts about Smart Wires
- Founded Year: 2010
- Location: Union City (United States)
- Stage: Series E
- Total Funding till date: $280M
- Employee Count: 95 as on Mar 31, 2026
- Investors: RiverVest Venture Partners, Alumni Ventures and 9 Others
- Latest Funding Round: PE, Jan 29, 2025, $*****
- Highlight: Editors' Pick

3. Qmerit
Provider of installation services for EV chargers and other electrification. The platform offers services for homeowners, commercial properties, fleet owners, and more. They provide solar panel charging, EV charging, battery energy storage system, smart panels, and more.
Key facts about Qmerit
- Founded Year: 2015
- Location: Irvine (United States)
- Stage: Series A
- Total Funding till date: $20.8M
- Employee Count: 69 as on Mar 31, 2026
- Investors: GIC, Archer Venture Capital and 11 Others
- Latest Funding Round: Series A, Jul 19, 2021, $*****
- Highlight: Editors' Pick
Developer of machine vision inspection systems with artificial intelligence capabilities. The company’s software platform powers products to make intelligent decisions and adapt using artificial intelligence. The system can be trained as specialized needs evolve, avoiding development updates. The systems deliver detailed reports and high definition video records for forensics, comparison, and archiving. The company provides turnkey technology, project managers, trainers, and customer care.
Key facts about Boulder Imaging
- Founded Year: 1995
- Location: Louisville (United States)
- Stage: Early Stage
- Total Funding till date: $2.4M
- Employee Count: 88 as on Mar 31, 2026
- Investors: Lime Rock New Energy
- Latest Funding Round: Unattributed, Apr 08, 2026, $*****
Key facts about Hawklineconstruction
- Founded Year: 2022
- Stage: Late Stage
- Investors: Lime Rock New Energy
- Latest Funding Round: PE, Nov 18, 2025, $*****
Lime Rock New Energy's Year-on-Year Investment Trends
Lime Rock New Energy has invested in 6 companies over the last 6 years, with an average of 1 new investment annually in the last 5 years. In 2025, it made 1 investment, while as of Apr 2026, it has made 1 investment in this year. Its most recent first time investment was in Boulder Imaging.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 1 | 0 | 1 |
2025 | 1 | 0 | 1 |
2024 | 0 | 0 | 0 |
2023 | 1 | 0 | 1 |
2022 | 0 | 0 | 0 |
2021 | 1 | 0 | 1 |
2020 | 1 | 0 | 1 |
Lime Rock New Energy's Investments by Stage
Lime Rock New Energy has made 1 investment in PE stage, 1 investment in Series A stage, 1 investment in Series D stage with an average round size of $45.2M, 1 investment in Series E stage with an average round size of $75M and 1 investment in Unattributed stage.Stage of entry | No. of Investments |
|---|---|
PE | 1 |
Series A | 1 |
Series D | 1 |
Series E | 1 |
Unattributed | 1 |
Note: We have considered here, only first round of investments
Lime Rock New Energy's Investments by Sector
Lime Rock New Energy has a diverse portfolio, with companies operating in the Auto Tech, Energy Tech, Environment Tech, Sustainability Tech and Transportation and Logistics Tech. Notably, it has invested in 4 Enterprise (B2B) companies, 4 Tech companies, 3 Tech hardware companies and at least 1 company focusing on AI-Native.Sector | No. of Investments |
|---|---|
Auto Tech | 2 |
Energy Tech | 2 |
Environment Tech | 2 |
Sustainability Tech | 2 |
Transportation and Logistics Tech | 2 |
Others | 7 |
Note: We have considered here, only first round of investments
Lime Rock New Energy's Investments by Geography
Lime Rock New Energy has made most investments in United States (4).Lime Rock New Energy's recent investments
Lime Rock New Energy has made 1 investments in 2026 so far - Boulder Imaging.Here are the most recent investments by Lime Rock New Energy:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Apr 08, 2026 | United States | Unattributed | 7987 | - | |
Nov 18, 2025 | - | PE | 8523 | - | |
Mar 21, 2023 | United States | Series D | 1778 | ||
Jul 19, 2021 | United States | Series A | 4617 | ||
Jan 02, 2020 | United States | Series E | 8535 | - |
Team profile of Lime Rock New Energy
Lime Rock New Energy has a team of 4 members including 3 Partners located in United States. Lime Rock New Energy's team does not sit on the board of any company as of now.Here is a list of all team members in Lime Rock New Energy:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Houston | - | - | |
Partner | Houston | - | - | |
Partner | - | - | - |
Co-investors of Lime Rock New Energy
Over the past 6 years, 21 investors have co-invested in Lime Rock New Energy's portfolio companies. This includes funds and angels.
- Invested before Lime Rock New Energy: Blackhorn Ventures, Tenfore Holdings and 15 others have invested in rounds before Lime Rock New Energy. There is 1 company where Blackhorn Ventures has invested before Lime Rock New Energy and 1 company where Tenfore Holdings has invested before Lime Rock New Energy.
- Top Co-investors of Lime Rock New Energy: 2 investors entered a company along with Lime Rock New Energy. These include investors like EnerTech Capital (1 company).
- Invested after Lime Rock New Energy: BP Energy Partners (1 company) and The Keystone Group (1 company) are the investors which have invested in Lime Rock New Energy's portfolio after their investments.
Recent News related to Lime Rock New Energy
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This little known private-equity firm booked a 79-fold returnLivemint•Oct 23, 2024•Lime Rock New Energy
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Lime Rock New Energy Promotes Blair Barlow to Managing Directorenergyportal.eu•Oct 03, 2023•Lime Rock New Energy
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Aperia announces funding partnerTruck Parts & Service•May 18, 2023•Enertech UPS, Aperia Tech, Lime Rock New Energy
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Lime Rock New Energy’s Investment in Aperia TechnologiesGlobal Legal Chronicle•Apr 07, 2023•Locke Lord, Lime Rock New Energy, Aperia Tech
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