Top 13 Energy-efficient data center startups

Apr 30, 2025 | By Alexander Gillet

These startups develop energy-efficient cooling systems, energy storage and energy-saving technologies for data-centers.
1
Country: USA | Funding: $2.2B
Bloom Energy offers on-site power generation systems that can use a wide variety of inputs to generate electricity.
2
Country: Australia | Funding: $156.6M
Arkon is a fully renewable data center infrastructure company.
3
Country: USA | Funding: $90M
Modular Full-Stack Renewable Energy Solution that aims to handle the massive use of electricity by artificial intelligence.
4
Country: UK | Funding: $73.3M
Engineered to cool the whole IT stack, in every use case, from Hyperscale to the Extreme Edge
5
Country: USA | Funding: $65.8M
MangoBoost is an DPU and AI infrastructure firm that specializes in developing advanced server accelerators with complete software stacks.
6
Country: France | Funding: €48M
Qarnot designs and develops Q.rad, a computing heater embedding microprocessors as a heat source and connected to the Internet.
7
Country: USA | Funding: $9.75M
Claros is a power management platform that utilizes cutting-edge hardware, software to enhance energy distribution & usage at data centers.
8
Country: UK | Funding: $4.5M
Vaire is an unconventional computation company that offers technology services.
9
Country: Netherlands | Funding: $81.9K
Asperitas creates unique liquid cooling solution for data centers. By adding integration of power and network components, improving cooling physics with a strong focus on design and engineering for usability, Asperitas has come up with a complete and integrated solution which can be effectively utilised in most, if not all situations.
10
Country: Canada | Funding: $100K
Infinidium is developing the world’s most efficient Datacenter infrastructure while providing inexpensive High Performance Computing services on the Cloud with lowest environmental impact available in a rapidly growing marketplace
11
Country: UK
Deep Green has developed a “digital boiler” technology to use the heat produced by data centers for swimming pools, apartment blocks, distilleries, laundrettes, and bakeries.
12
Country: USA
MagmaPower's mission is to safely harness the high-density energy within the Earth to provide clean, renewable and affordable baseload electricity.
13
Country: UK
Chainergy enables sustainably powered modular AI data centers
Editor: Alexander Gillet
Alexander Gillet is a senior editor for EnergyStartups. He has a deep background in energy sector and startups. Alexander graduated from Emlyon Business School, a leading French business school specialized in entrepreneurship. He has helped several non-profit organizations dedicated to promoting environmental education and sustainability and has written over 250 articles on energy technology for various websites. In his free time, Alexander enjoys yoga, camping and exploring the Blue Ridge Mountains. You can contact Alexander at alexgillet(at)energystartups(dot)com