Energy Startups
5,972 companies tagged Energy, with their investors and founders.
Ilmatar is an independent power producer and renewable energy developer in the Nordics that generates electricity from wind and solar sources and operates energy storage solutions. It develops, constructs, and runs renewable energy facilities, serving landowners, local communities, municipalities, and electricity customers.
1 investor
Illumine-i (Illuminei) provides engineering and consulting services for clean energy and power infrastructure projects, covering power generation and power delivery from concept to closeout for solar EPCs, independent power producers, and lenders. It also builds software tools including a client project portal, AI-based document/bill-of-materials extraction, and an electrical panel engineering platform.
1 investor
ILOS is an independent power producer founded in 2018 that develops, constructs, and operates solar photovoltaic projects, with interfaces to hydrogen and battery storage, across European power markets. It works with landowners, communities, and local councils and maintains a renewable energy portfolio spanning the UK, Ireland, Netherlands, Italy, Greece, Spain, and Germany.
1 investor
IMMSA manufactures copper and aluminum busbars, bushings, and connectors, with in-house finishing services such as tin/silver plating and epoxy coating, for electrical OEMs including switchgear, transformer, and EV battery manufacturers. Founded in 1999, it operates ISO 9001:2015-certified plants in Mexico serving North America's electrical grid infrastructure.
1 investor
Impact is an oil and gas exploration company focused on large-scale, mid to deep water projects designed to attract major industry players.
1 investor
Impala Energy is a power development company focused on small-to-medium natural gas and clean power projects in sub-Saharan Africa, developing, building, owning and operating its own assets. It is currently developing a project in southern Nigeria to capture flared natural gas and supply it to commercial and industrial clients as a replacement for diesel.
1 investor
In Charge One is a US company working on electric vehicle charging infrastructure. It is currently in stealth mode, and details of its products and customers have not been disclosed.
1 investor
Inclusive Energy provides digital tools for energy entrepreneurs to scale off-grid, distributed clean energy solutions, aimed at expanding energy access in under-served and emerging markets. The company focuses on energy poverty reduction and climate change mitigation.
1 investor
IncubEx develops and lists environmental commodity products, including futures and options on carbon offsets (Certified and Verified Emission Reductions) and Renewable Energy Certificates (RECs) across various U.S. state compliance programs. The company operates in the environmental and energy markets, serving traders and participants in carbon and renewable energy certificate markets.
1 investor
Indus Towers operates and manages telecommunications tower infrastructure for mobile network operators across India. The company provides tower operations, smart city solutions, and green technology infrastructure services.
1 investor
IEM (Industrial Electric Mfg) designs and manufactures custom electrical power distribution systems, including low and medium voltage switchgear and power quality equipment, for industries such as healthcare, data centers, manufacturing, and energy. Based in Silicon Valley with operations across the US and Canada, it provides engineering and production at scale for large power projects.
1 investor
Industrial Organic designs and deploys solar energy systems ranging from rooftop installations to community-scale energy parks. The company serves customers seeking renewable power solutions with an emphasis on reliability, affordability, and sustainability.
1 investor
Inergy is an IC design company that develops energy-efficient semiconductor components and motor driver systems, including power MOSFETs, BLDC motor drivers, and cooling fan driver ICs. The company serves manufacturers in consumer electronics, automotive, and industrial applications seeking to reduce energy consumption and carbon footprint.
1 investor
Inergy develops portable solar power products for consumers, including solar generators and solar-powered chargers for off-grid and backup power needs. It focuses on consumer renewable energy rather than large-scale solar projects.
1 investor
InferModel is an engineering consulting and software firm that builds quantitative risk models and data analytics tools for pipeline integrity, addressing threats such as corrosion and stress corrosion cracking. It serves pipeline operators, helping them prioritize excavations, analyze inspection data, and make integrity management decisions using industry standards like CSA, ASME, and API.
1 investor
Infinigen develops and operates integrated utility-scale solar and energy storage infrastructure, with a focus on fast deployment and long-term reliability. The company is based in and operates entirely in Puerto Rico, serving the island's grid and local communities.
1 investor
Infinigrid builds an operational platform that applies the Kronecker product approach to probabilistic power system reliability, giving grid operators exact, real-time risk and reliability assessment. It serves transmission and distribution system operators, regulators, and asset managers across Europe.
1 investor
Infinis is an independent power producer in the UK that develops and operates energy infrastructure generating electricity from captured landfill and mine methane and solar, supported by battery storage and grid balancing assets. It serves businesses, landowners, local communities and investors, operating 140+ sites across multiple technologies.
1 investor
Infinity Power is a renewable energy company operating across Africa, backed by infrastructure and development finance institutions. It develops power/energy infrastructure with a pan-African focus.
1 investor
Infranergy provides integrated clean energy and infrastructure solutions—including utility-scale solar and battery systems, AI datacenter power, and AI-powered virtual power plant software (SolbloX)—for government agencies, utilities, hyperscale data centers, investment funds, and commercial clients. As a certified U.S. federal contractor, it also offers power-as-a-service agreements, energy efficiency upgrades, and grid services.
1 investor
InfraSure provides forward-looking, asset-specific risk, insurability, and resilience intelligence for U.S. energy infrastructure, combining physical and financial modeling of each utility-scale plant through a single scenario engine. It serves owners, investors, and lenders with workflows for portfolio screening, single-asset evaluation (DSCR stress and bankability), and risk mitigation (parametric structures and resilience planning).
1 investor
1 investor
Ingrain analyzes complex rock types using high-resolution CT scanning to characterize reservoirs and identify high-potential "sweet spots" for oil and gas clients. It provides digital rock physics analysis to help operators maximize reservoir production.
1 investor
Ingrid builds physical infrastructure combined with an AI-driven software platform that optimises and trades battery energy storage and renewable assets across electricity markets, helping ease grid bottlenecks and balance supply and demand. It serves grid operators, energy producers, and asset owners across Europe as part of the energy transition.
1 investor






