The Energy Efficiency Tech has over 11.5K+ startups that comprising Companies offering tech solutions or tech-enabled services for measuring, managing, and controlling energy consumption or energy cost. It also includes energy-efficient products such as LEDs and appliances, along with solutions like BEMS, IEMS, HEMS, web-enabled lighting, smart windows, and fuel and engine monitoring systems that deliver significant energy savings.
Energy Efficiency Tech sector is one of the most active sectors for investors with an overall funding of USD 48.2B in 2.84K+ companies. It is also interesting to note that more than fourth of the funding has been raised in the last 3 years (2023-2025).
Europa, OSTI, National Science Foundation, EIC Fund, DOE are amongst the most active investors in this sector by number of investments.
HVAC, Load Management, HEMS, BEMS, IEMS are some of the top business models attracting major funding.
We, at Tracxn, keep a track of the latest happenings in the world of startups and their associated ecosystems – including venture capital funds, private equity funds and investment banks amongst others.
In this edition, we have the Energy Efficiency Tech startups 2026 – a curated list of the most promising startups leading the Energy Efficiency Tech industry, from across the globe.