The 12 closest competitors and alternatives to Critical Energy among energy companies — ranked by similarity to what Critical Energy actually does, not by market-cap band.
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Critical Energy builds factory-made, modular power plants that convert geothermal heat into electricity. These plants are designed to be shipped in standard containers and installed in weeks, with the company headquartered in Hawthorne, CA.
Critical Energy is an energy company. Its most recent funding round, Debt, raised $22M in June 2026. Xcout tracks 1 named person at Critical Energy, including Spencer Jackson (CEO).
Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Debt | $22M | 8 named |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Ranked by semantic similarity — how close each company is to Critical Energy by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Similar energy company
XGS Energy, Inc. is a geothermal energy company that provides clean, round-the-clock energy solutions. Originally founded as Geothermic Solution LLC in Palo Alto, California, the company later moved its headquarters to Houston, Texas.
Energy Technology
Quaise, Inc is developing a millimeter-wave drilling system for converting existing power stations to use superdeep geothermal energy. The system would repurpose existing gyrotron technology to drill 20 kilometers beneath the surface, where temperatures exceed 400 °C. No fracking would be required, avoiding the potential for earthquakes that have occurred in other geothermal systems. Drilling using this technique is hoped to be fast, with boreholes aimed to be completed in 100 days using existing 1MW gyrotrons. To reduce costs and delays, the company planned to establish its wells on the sites
Similar energy company
Sage Geosystems Inc. is a geothermal baseload and energy storage company founded in 2020. The company is headquartered in Houston, Texas.
Similar energy company
Endurance Energy develops subsea geothermal power systems to provide continuous, low-cost renewable energy for industrial sites, island nations, and data centers. The company utilizes seafloor-based infrastructure to harness thermal energy from tectonic activity, aiming to address global power shortages.
Similar energy company
Dig Energy, Inc. provides software and machine controls designed to significantly reduce the cost of drilling by up to 80 percent, enabling accessible thermal energy options. Headquartered in Concord, New Hampshire, the company focuses on innovative technologies that streamline drilling operations and drive down energy exploration costs.
Similar energy company
Eden GeoPower Inc. is a Somerville, Massachusetts-based company developing electrical reservoir stimulation technology to increase subsurface permeability for next-generation geothermal energy production.
Similar energy company
Quaise Energy is an energy industry services company headquartered in Houston, Texas. The company focuses on developing technology for the energy sector.
Similar energy company
Verterra Energy, Inc. designs and develops advanced, modular hydropower technology designed to harness kinetic energy from flowing water in rivers, oceans, and canals. The company provides scalable renewable energy solutions for various operational power needs around the globe.
Similar energy company
Bedrock Energy provides geothermal heating and cooling solutions for real estate developers, owners, and builders. The company utilizes proprietary drilling technology and data algorithms to design and construct geothermal borehole fields efficiently.
Similar energy company
Enertech Global is a manufacturer of geothermal products with corporate headquarters in Greenville, Illinois, and production facilities in Mitchell, South Dakota.
Similar energy company
Brightcore Energy LLC is a U.S. renewable-energy developer and contractor that designs, finances, builds, and operates distributed energy projects, including commercial solar photovoltaic systems, battery storage, LED lighting, and geothermal systems. It primarily serves commercial, industrial, institutional, and municipal customers.
Similar energy company
Diverso Energy is the first fully vertically integrated geothermal utility company in North America. Based in Mississauga, Ontario, the company provides sustainable heating and cooling utility solutions for the real estate and property development sectors.
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