69 Best Energy Efficiency Startups to Watch in 2024

Form Energy develops and commercializes a low-cost battery system that can store wind and solar energy for a long duration.

Total Raised: $679.20M

Last Funding: $405.00M (Series F)

Redaptive is a SaaS tool for energy efficiency developed for commercial and industrial customers.

Total Raised: $256.60M

Last Funding: $100.00M (Unknown)

Sustainable immersion cooling and automation solutions provider for data centers.

Total Raised: $103.01M

Last Funding: $33.91M (Unknown)

Power exchange managing renewable energy production and procurement using AI, IoT, and battery storage technologies.

Total Raised: $13.00M

Last Funding: $13.00M (Series A)

Insolight is a solar panel manufacturer founded in 2015 by Laurent Coulot.

Total Raised: $10.27M

Last Funding: $4.92M (Series A)

Turnkey energy management solutions for companies in South Africa and Switzerland.

Total Raised: $3.32M

Last Funding: $3.32M (Unknown)

Customcells is one of the world's leading companies in the development of special lithium-ion battery cells.

Total Raised: $62.98M

Last Funding: $62.98M (Unknown)

TeleSense is a Sunnyvale, California-based IoT sensor company providing grain storage monitoring.

Drift provides a clean energy trading platform for business and residential customers.

Stem is a Millbrae, California-based developer of solutions for energy consumption through a combination of data, predictive analytics, and energy storage to reduce energy costs.

Form Energy is a Somerville, Massachusetts-based company developing low-cost, long-duration energy storage systems.