Mainspring
Series F in 2025
Mainspring Energy, Inc. is a technology company based in Menlo Park, California, that specializes in developing linear generator technology for low carbon, dispatchable energy solutions. Founded in 2010 by three Stanford engineers, the company focuses on creating advanced prototypes that convert fuel into electricity through a unique, low-temperature reaction of air and fuel. This innovative approach allows Mainspring to offer generators that provide affordable, reliable electricity while significantly reducing carbon emissions compared to traditional electric grids. The company's mission is to address climate change and enhance energy accessibility, contributing to the development of net-zero carbon energy systems for the future.
SolarSquare
Series B in 2024
SolarSquare Energy is a residential solar company specializing in the design, installation, and maintenance of rooftop solar panels for homes and small commercial establishments. The company aims to promote the widespread adoption of solar energy by converting sunlight into usable electricity, thereby helping clients achieve their sustainability goals. Trusted by over 4,000 homeowners and various Fortune 500 companies, SolarSquare focuses on delivering substantial savings on energy costs, with customers typically saving a minimum of Rs. 2,000 on their monthly electricity bills.
H&MV Engineering
Private Equity Round in 2024
H&MV Engineering is a prominent company in the electric power transmission sector, established in 1997. It specializes in the design, installation, and maintenance of high-voltage transmission and distribution systems, particularly substations up to 400kV. With a strong presence in Europe and Asia, H&MV Engineering is expanding its services globally, leveraging its extensive expertise across various sectors, including transmission and distribution, renewable energy, data centers, manufacturing, and pharmaceuticals. The company is committed to sustainability, helping clients improve their environmental practices and reduce their carbon footprints through innovative engineering, procurement, and construction solutions for energy projects.
Octopus Energy
Private Equity Round in 2024
Founded in 2015, Octopus Energy develops innovative technology to reduce energy costs, enhance customer experience, and facilitate a cheaper, greener grid. It offers affordable, flexible energy options for businesses in Great Britain.
M-KOPA
Private Equity Round in 2023
M-KOPA offers connected asset financing solutions, combining digital micropayments and IoT connectivity. It provides access to essential products like solar lighting, televisions, fridges, smartphones, and financial services for underbanked customers without requiring credit history or assets.
Mainspring
Series E in 2022
Mainspring Energy, Inc. is a technology company based in Menlo Park, California, that specializes in developing linear generator technology for low carbon, dispatchable energy solutions. Founded in 2010 by three Stanford engineers, the company focuses on creating advanced prototypes that convert fuel into electricity through a unique, low-temperature reaction of air and fuel. This innovative approach allows Mainspring to offer generators that provide affordable, reliable electricity while significantly reducing carbon emissions compared to traditional electric grids. The company's mission is to address climate change and enhance energy accessibility, contributing to the development of net-zero carbon energy systems for the future.
Mainspring
Series E in 2022
Mainspring Energy, Inc. is a technology company based in Menlo Park, California, that specializes in developing linear generator technology for low carbon, dispatchable energy solutions. Founded in 2010 by three Stanford engineers, the company focuses on creating advanced prototypes that convert fuel into electricity through a unique, low-temperature reaction of air and fuel. This innovative approach allows Mainspring to offer generators that provide affordable, reliable electricity while significantly reducing carbon emissions compared to traditional electric grids. The company's mission is to address climate change and enhance energy accessibility, contributing to the development of net-zero carbon energy systems for the future.
EdgeGrid
Seed Round in 2022
EdgeGrid is a Hyderabad-based clean-tech company that operates a power trading platform. This platform connects energy sellers with consumers, businesses, and distribution companies, facilitating the transition to a zero-carbon future. The platform manages last-mile delivery of energy-saving consumer utility bills via network-level optimization, utilizing Internet of Things, artificial intelligence, and industry innovation.
AMPIN Energy Transition
Venture Round in 2019
AMPIN Energy Transition is India’s leading renewable energy transition company with a total portfolio of 5GWp+ spread across 22 states in the country. Headquartered in New Delhi with regional offices in Mumbai, Bangalore & Kolkata, AMPIN provides clean and green energy solutions to C&I and utility customers.
We currently offer green power to 100+ marquee customers across 10+ Sectors such as Pharma, Auto, Data Centers/IT, FMCG, Cement, Infra, Education, Heavy Industry, Govt etc. leading to a well-balanced portfolio. Some of these customers are amongst country’s leading corporates such as Skoda Auto Volkswagen India, Cipla, Bharti Airtel, Britannia, AB InBev, Tata Hitachi, Orient Cement, L&T Metro Rail, Hewlett Packard Enterprise to name a few.
AMPIN believes in building long-term relationship with its customers & act as a One Stop Shop for Energy, providing sustainable solutions across different geographies & technologies such as Solar, Wind, Hybrids, Storage & Energy Management. This helps the customers in reducing their overall energy costs & mitigating their carbon footprint. AMPIN has developed a clear roadmap & has the ability to offer a complete end to end solution of taking the customer to 100% RE. Moreover, is adept at providing sustainable solutions to meet short-term, medium-term & long-term requirements.
In addition to its core renewable energy generation business, AMPIN’s Energy Transition Enablers enhance its competitive edge by driving strategic initiatives in energy trading, solar cell and module manufacturing, green hydrogen, and energy storage, allowing it to become one of India’s leading energy transition players.
AMPIN is driven by an industry leading team & backed by leading institutional investors from Europe, Asia &North America. This global presence ensures highest ESG (IFC standards) & corporate governance standards & gives us the unique capability to straddle Utility Scale RE projects, Power Markets & C&I RE projects in India & beyond.