Companies in the energy efficiency sector developing innovative solutions and technologies.
Explore 413 recently funded energy efficiency companies with verified founder contact information and fundraising data.
reLi Energy is an innovative technology company that improves the performance of energy storage and batteries to reach their full potential.
UK energy reduction specialists. 3,000+ sites served, 166.5M+ kWh saved. Voltage optimisation, solar PV, KBR and energy monitoring.
OLEDWorks is a manufacturer of OLED light technology for automotive, general lighting, and specialty applications.
VARM is driving the European Household decarbonization by building the infrastructure for insulation.
Eni Plenitude supplies energy for homes and institutions.
Magneto enables efficient cooling and heating without fossil fuels or refrigerants
Optimize and manage charging stations, batteries, solar and the grid with our (white label) Charging and Energy Management Saas cloud.
SulNOx Group provides fuel conditioning processes and products that increase fuel efficiencies and thus reduce emissions.
Advanced Thermovoltaic Systems specializes in the discovery of all temperature heat to power at a megawatt-scale.
ISCLEANAIR, global leader in ambient air pollution abatement, revolutionizes the cleantech, environmental and energy efficiency sectors
Vicinity Energy is a provider of district energy solutions, offering energy supply, infrastructure investment and management services.
Critical Energy is an energy based firm that generate electricity with the help of heat through modular and geothermal power plant.
AICE Power develops autonomous subsea drones for monitoring and protecting critical infrastructure and underwater security operations.
Allied Power is a full-service provider of power plant services spanning the entire asset life cycle.
Turntide Technologies develops an electric motor system designed to drive down energy consumption.
Vanevo develops and creates stacks and modules for redox flow batteries.
JOLT is supplying next-generation activated electrodes & protective coating solutions for hydrogen & water treatment electrolysis
CYTOK turns hydrogen & CO₂ into green methane. Patented CCU/CCR tech for MW-scale storage & full energy autonomy
MinervaS offers innovative solutions in the energy and automotive sectors towards the reduction of CO2 and the on-board energy management.
Vutility gathers and provides real-time information on utility usage.
Gyre Energy is a cooling platform technology that cuts costs for cooling intensive operators.
i2Cool is a technology start-up that provides new and long-term solutions for a green, low-carbon society.
Anaergia provides solutions for the generation of renewable energy and the conversion of waste to resources.
The energy efficiency sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.
Energy Efficiency companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.
The energy efficiency sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.
Here is how funding is distributed among the 413 energy efficiency companies tracked in the VCBacked database.
Companies in the energy efficiency sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.
Perfect for: B2B sales teams targeting energy efficiency companies, investors exploring sector opportunities, and service providers looking for funded companies ready to scale.
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