50 Best Power Grid Companies to Watch in 2026

The most prominent power grid companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 855 companies tracked on Fsome.

855
Total Companies
$75.7B
Total Funding
$88.5M
Avg Funding
London
Top Location
# Company Location Employees Total Funding Last Round Last Funded
1
Base Power
Base Power is a modern energy provider that specializes in residential backup ba…
Austin 251 - 500 $1.3B Series C 2025-10-08
2
ElectricFish
We build resilient and flexible EV charging infrastructure to accelerate decarbo…
San Carlos 11 - 50 $2.7M Seed 2025-04-29
3
Zelestra
Zelestra is a renewable energy company dedicated to serving clients through cust…
Algorta 1K - 5K $963.0M Debt Financing 2026-03-25
4
Valar Atomics
Valar Atomics is a company focused on scaling nuclear energy beyond the traditio…
El Segundo 11 - 50 $599.0M Series B 2026-04-01
5
Inox Clean Energy
Inox Clean Energy serves as an integrated renewable energy platform under the IN…
Noida 251 - 500 $1.3B Debt Financing 2026-01-29
6
Form Energy
Form Energy is an energy technology company that produces electric grids and acc…
Somerville 501 - 1K $1.6B Debt Financing 2024-12-16
7
Fermi America
Fermi America builds energy and AI infrastructure to power next-gen data centers…
Amarillo 11 - 50 $965.0M Post Ipo Debt 2026-04-01
8
Voltus
Voltus provides cash-generating energy products to commercial, institutional, an…
San Francisco 11 - 50 $66.1M Series C 2021-05-13
9
Cordelio Power
Cordelio Power is a power producer that is involved in the development, ownershi…
Toronto 101 - 250 $1.6B Debt Financing 2025-11-18
10
Inlyte Energy
Inlyte Energy is a company that creates grid storage batteries.
Berkeley 11 - 50 $12.1M Grant 2025-09-04
11
DG Matrix
DG Matrix develops solid-state power conversion systems for electric vehicle cha…
Raleigh 251 - 500 $80.0M Series A 2026-02-18
12
Aether Fuels
Aether Fuels is a cutting-edge climate technology startup.
San Francisco 11 - 50 $57.5M Convertible Note 2025-12-30
13
Proxima Fusion
Proxima Fusion develops stellarator-based fusion reactors to deliver clean, cont…
Munich 51 - 100 $223.1M Series A 2025-09-09
14
VoltaGrid
VoltaGrid is ushering in a new era of power generation and permanently changing …
Bellaire 101 - 250 $5.1B Debt Financing 2025-11-10
15
TS Conductor
TS Conductor specializes in high-performance conductors that increase the ampaci…
Arcadia 51 - 100 $85.0M Series B 2024-07-05
16
Emerald AI
Emerald AI develops software that aligns AI data center workloads with real-time…
Washington 11 - 50 $64.3M Corporate Round 2026-03-18
17
Gridware
Gridware is a grid-technology company dedicated to improving safety and reliabil…
San Francisco 51 - 100 $97.2M Series B 2025-11-17
18
Menlo Micro
Menlo Micro is the developer of the Ideal Switch, an electromechanical switch te…
Irvine 51 - 100 $227.5M Series C 2022-03-09
19
Heimdall Power
Heimdall Power provides software and sensors designed for monitoring overhead po…
Oslo 51 - 100 $37.7M Series B 2024-07-16
20
Amperesand
Amperesand operates as a grid infrastructure solution provider.
Singapore 51 - 100 $92.5M Series A 2025-11-18
21
ConnectDER
ConnectDER is a solar technology company developing meter collars to connect dis…
Philadelphia 11 - 50 $80.3M Series D 2024-12-03
22
ENGIE North America
ENGIE North America is a renewable energy firm that focuses on the development a…
Houston 1K - 5K $1.0B Debt Financing 2024-02-28
23
enspired
AI-powered energy trading services for global short-term power markets
Vienna 51 - 100 $53.4M Series B 2025-10-13
24
Utilidata
Utilidata is a grid technology startup that integrates AI capabilities to enhanc…
Providence 101 - 250 $95.3M Series C 2025-04-29
25
VisIC Technologies
VisIC Technologies is an automotive GaN product providing previously unseen leve…
Ness Ziona 11 - 50 $82.6M Corporate Round 2025-12-10
26
Siemens Energy
Siemens Energy is one of the world’s leading energy technology company.
M├╝nchen c 10001 max $7.4B Post Ipo Secondary 2025-12-09
27
RedoxBlox
RedoxBlox develops thermochemical energy storage for decarbonizing industrial pr…
San Diego 11 - 50 $65.0M Debt Financing 2025-03-01
28
itselectric
itselectric is electric vehicle charging purpose-built for drivers who park thei…
Brooklyn 1 - 10 $11.0M Grant 2025-09-16
29
VEIR
VEIR develops superconducting wires for electrical transmission that are used in…
Woburn 11 - 50 $111.7M Series B 2025-01-28
30
Mass Group Holding
Mass Group Holding Ltd. produces power, cement, steel, iron, and fertilizer, and…
Amman 1K - 5K $500.0M Debt Financing 2026-01-06
31
Prisma Photonics
Prisma Photonics keeps the most critical large-scale infrastructure running with…
Tel Aviv 51 - 100 $80.0M Series Unknown 2025-10-15
32
Calpine
Calpine is an energy company that generates electricity from natural gas and geo…
Houston 1K - 5K $2.5B Debt Financing 2025-10-14
33
Bright Night
BrightNight provides renewable power solutions for utility, commercial, and indu…
Rosemary Beach 101 - 250 $2.4B Debt Financing 2026-03-24
34
Equilibrium Energy
Equilibrium Energy is a Climate Generation power company focused on the creation…
San Francisco 101 - 250 $100.0M Series B 2025-03-12
35
Ib Vogt
Ib Vogt is a manufacturer of turnkey PV plants.
Berlin 501 - 1K $731.3M Debt Financing 2023-07-26
36
Flower
Developing knowledge and AI to efficiently deploy electricity flexibility
Stockholm 101 - 250 $58.2M Series A 2024-10-31
37
Noteworthy AI
Routine fleet operations. Extraordinary grid insights.
New Haven 11 - 50 $8.8M Series Unknown 2023-10-20
38
Rhizome
Rhizome is helping electric utilities assess and prevent climate-induced power g…
Washington 11 - 50 $10.0M Seed 2025-05-21
39
Y
Yanhe Technology
Yanhe Technology provides solar power generation technology-related services.
Beijing 101 - 250 $28.4M Series A 2026-01-14
40
feld.energy
feld.energy enables farmers to produce sustainable energy without sacrificing ag…
Pocking 1 - 10 $13.6M Seed 2025-09-15
41
envelio
envelio is a cloud based smart grid platform.
K├╢ln 101 - 250 $7.9M Series A 2019-12-12
42
XENDEE Corporation
XENDEE develops advanced software for financial & technical optimization and ope…
San Diego 11 - 50 $23.0M Series B 2025-09-08
43
Hitachi Energy
Hitachi Energy is a global technology leader that is advancing a sustainable ene…
Z├╝rich c 10001 max $24.2M Grant 2025-09-22
44
Evren
Evren is a platform for generating power from renewable sources.
Mumbai 51 - 100 $944.7M Debt Financing 2025-11-02
45
LineVision
LineVision equips utilities with unique monitoring and analytics that improve th…
Somerville 101 - 250 $49.8M Series C 2022-10-03
46
Still Bright
Still Bright has discovered transformative reaction chemistry to enable the rapi…
Newark 1 - 10 $18.7M Seed 2025-07-30
47
XGS Energy
XGS Energy is a geothermal heat harvesting technology company.
Palo Alto 11 - 50 $57.0M Series Unknown 2025-03-26
48
Zenith Energy
Zenith Energy is a renewable energy company that specializes in power generation…
Perth 51 - 100 $1.2B Debt Financing 2025-03-03
49
IONATE
IONATE creates energy solutions with hybrid intelligent transformers and AI-driv…
Edinburgh 11 - 50 $21.0M Series A 2025-02-05
50
Sterlite Electric
Sterlite Electric is a power transmission company that delivers EHV power transm…
Mathura 1K - 5K $404.0M Private Equity 2024-12-16