122 indexable Energy companies headquartered in Community of Madrid, Spain, ranked by total equity funding and recent funding momentum. Combined disclosed equity funding of $4.5B across 36 funded companies.
| # | Company | Funding | Valuation | Stage | Latest round | Employees | Founded | Momentum |
|---|---|---|---|---|---|---|---|---|
| 1 |
Solaria
Independent power producer |
$22M | — | Public | Post IPO Apr 2026 | 236 | 2002 | ↑ Active |
| 2 |
Vertex Bioenergy
Manufacturer of Bioethanol |
$359.2M | — | Acquired | Conventional Debt Feb 2025 | 87 | 2016 | ↑ Active |
| 3 |
Altano Energy
Developer of solar and wind energy projects |
$70.3M | — | Series C | Series C Jul 2025 | 7 | 2021 | ↑ Active |
| 4 |
Matrix Renewables
Operator of renewable energy platform focused on developing solar, and clean energy projects |
$283M | — | Funding Raised | Conventional Debt Feb 2024 | 79 | 2020 | — |
| 5 |
Samara
Provider of solar energy services |
$18.5M | — | Series A | Series A Sep 2024 | 78 | 2022 | ↑ Active |
| 6 |
EDP Renewables
Generation of wind power |
$408.1M | — | Public | Grant (prize money) Feb 2023 | 936 | 2007 | — |
| 7 |
Nomad Solar Energy
Provider of portable solar energy solutions, offering innovative products and services to bring clean energy to various industries and sectors |
$16.7M | — | Series B | Series B Sep 2024 | — | 2023 | ↑ Active |
| 8 |
Nido
Providerof aerothermal energy services |
$5.2M | — | Seed | Seed Feb 2025 | — | 2023 | ↑ Active |
| 9 |
Fotowatio Renewable Ventures
Developer of utility scale renewable energy solutions |
$392M | — | Acquired | Conventional Debt Jun 2022 | 200 | 2006 | — |
| 10 |
Acciona Energy
Provider of renewable energy solutions |
$567M | — | Public | Grant (prize money) Jan 2022 | 2,974 | 1997 | — |
| 11 |
X-Elio
Offers turnkey project development solutions |
$475.6M | — | Acquired | Conventional Debt Jul 2021 | 240 | 2005 | — |
| 12 |
T-Solar
Solar photovoltaic large plants |
$629.6M | — | Acquired | Conventional Debt Jan 2020 | 21 | 2006 | — |
| 13 |
SolarYou
Provider of residential solar panel installation and related services |
$508.6K | — | Seed | Seed May 2025 | — | 2023 | ↑ Active |
| 14 |
Vela Energy
Solar Energy IPP |
$445.8M | — | Funding Raised | Conventional Debt Jul 2016 | 40 | 2014 | — |
| 15 |
CLH Group
Provider of oil storage and transportation company |
$300M | — | Public | PE Sep 2015 | — | 1927 | — |
| 16 |
Robinsun
Portable and self-installable solar kits for households. |
$623.4K | — | Seed | Seed Jan 2025 | — | 2023 | ↑ Active |
| 17 |
Bow Power
Investor and developer of renewable energy projects |
$175M | — | Deadpooled | Conventional Debt Sep 2018 | 23 | 2015 | — |
| 18 |
Eolia Renovables
Developer and operator of solar and wind power plants |
$159.1M | — | Acquired | Conventional Debt Dec 2017 | — | 2007 | — |
| 19 |
Eranovum
Provider of investment, development, construction, and operation of solar photovoltaic plants |
$27.6M | — | Series B | Series B Jun 2022 | — | 2018 | — |
| 20 |
Arena Power
Developer of solar PV projects |
$8.8M | — | Funding Raised | Conventional Debt Jul 2023 | 82 | 2018 | — |
| 21 |
IEQSY
Provider of energy efficiency system |
$10.6M | — | Late Stage | PE Dec 2022 | 8 | 2017 | — |
| 22 |
Grenergy
Developer of large scale PV energy systems and solar energy projects |
$47M | — | Public | Conventional Debt Jun 2019 | 228 | 2007 | — |
| 23 |
Alten Energias Renovables
Independent solar power producer |
$50M | — | Funding Raised | Conventional Debt Mar 2018 | 48 | 2006 | — |
| 24 |
Ariema
Provider of electrolyzers manufacturing and hydrogen & fuel cell consulting services |
$2.5M | — | Seed | Seed May 2023 | — | 2002 | — |
| 25 |
Gamma Solutions
Provides installation and maintenance services for utility-scale solar projects |
$23.5M | — | Funding Raised | Conventional Debt Oct 2017 | 95 | 2002 | — |
| 26 |
Wedge Global
Oilfield service company |
$5.3M | — | Funding Raised | Grant (prize money) Jun 2022 | 14 | 2008 | — |
| 27 |
Gestamp Wind
Wind power project developer |
$16.3M | — | Funding Raised | Conventional Debt Jun 2014 | — | 2007 | — |
| 28 |
ATENOIL
Operator of multi-brand gas stations and related services |
$8.2M | — | Acquired | Conventional Debt Oct 2017 | 200 | 2016 | — |
| 29 |
Stemy Energy
Provider of AI-powered energy management solutions for consumers and communities. It uses artificial intelligence to optimize energy consumption, reducing energy bills and carbon footprints. The company connects consumers to create a more stable and sustainable electricity system by enabling greater renewable energy integration. It offers a flexible community platform for real-time monitoring and control of energy resources, along with devices for residential, commercial, and industrial use. This allows for efficient energy management across various sectors, promoting a more sustainable energy future. |
$996.3K | — | Seed | Seed Oct 2022 | 25 | 2016 | — |
| 30 |
Nippon Gases
Provider of gas technology services |
$592.8K | — | Funding Raised | Grant (prize money) Feb 2023 | 203 | 2018 | — |
| 31 |
BSQ Solar
HCPV Solar Project developer |
$3.8M | — | Funding Raised | Grant (prize money) Apr 2018 | — | 2009 | — |
| 32 |
DH Econergías
Provider of heating systems that utilize renewable energy sources such as biomass and solar power |
$1.5M | — | Funding Raised | Grant (prize money) Oct 2019 | 27 | 2018 | — |
| 33 |
Tewer
Provider of engineering and technology solutions for the renewable energy industry |
$114K | — | Funding Raised | Grant (prize money) Sep 2021 | — | 2014 | — |
| 34 |
Geoter
Provider of geothermal energy solutions for heating and cooling systems |
$191.9K | — | Funding Raised | Grant (prize money) Sep 2016 | — | 2007 | — |
| 35 |
TSR Wind
Provider of wind turbine maintenance, aiming to optimize operations and eliminate accidents |
$111K | — | Funding Raised | Grant (prize money) Oct 2015 | — | 2013 | — |
| 36 |
Reacción Uptheworld
Innovator in renewable energy technology and sustainable energy solutions |
$60K | — | Funding Raised | Grant (prize money) May 2018 | 4 | 2012 | — |
| 37 |
IGNIS
Provider of engineering, procurement and construction services for solar energy projects |
— | — | Series A | PE 2024 | 450 | 2015 | — |
| 38 |
ACCIONA
Developer and manager of sustainable infrastructure solutions, especially in renewable energy |
— | — | Acquired | Conventional Debt Feb 2024 | 37,043 | 1931 | — |
| 39 |
Enagás Renovable
Enagás Renovable promotes the development of renewable gases to achieve a carbon neutral future |
— | — | Seed | Seed Feb 2024 | 40 | 2019 | — |
| 40 |
Naturgy
Provider of electricity distribution services |
— | — | Public | Post IPO Feb 2024 | 7,090 | 1843 | — |
| 41 |
COBRA Group
Provides engineering, installation, and maintenance services for electricity transmission and distribution |
— | — | Funding Raised | Grant (prize money) Jun 2023 | 36,000 | 1944 | — |
| 42 |
Repsol
Integrated oil and gas company |
— | — | Public | Grant (prize money) Apr 2023 | 24,226 | 1987 | — |
| 43 |
Molgas Energia
Natural gas distribution and regasification project development company |
— | — | Acquired | Grant (prize money) Nov 2022 | 100 | 1996 | — |
| 44 |
Red Electrica de Espana
Operator of national power transmission system in Spain |
— | — | Public | Grant (prize money) Oct 2022 | 1,807 | 1985 | — |
| 45 |
Full & Fast
Provider of energy management consulting services |
— | — | Seed | Seed Apr 2022 | 12 | 2017 | — |
| 46 |
Empresarios Agrupados
Developer of solar & wind energy projects |
— | — | Funding Raised | Grant (prize money) Dec 2021 | — | 1971 | — |
| 47 |
Elecnor
Provider of development, construction and operation of services & projects |
— | — | Public | Grant (prize money) May 2021 | — | 1958 | — |
| 48 |
RZX Tecnologia
Provider of oilfield engineering, equipment fabrication, and well drilling services |
— | — | Seed | Seed Jan 2021 | 9 | 2016 | — |
| 49 |
Enagas
Provider of pipeline based natural gas transportation and ware-housing services |
— | — | Public | Post IPO Oct 2020 | 1,389 | 1972 | — |
| 50 |
Esteyco
Developer of infrastructure, wind parks, and solar power plants |
— | — | Funding Raised | Grant (prize money) Sep 2020 | — | 1970 | — |
Solaria is an independent power producer in the solar energy sector. Started as a manufacturer of photovoltaic cells and panels and is now a producer and seller of power from its solar plants connected to the grid.
Vertex Bioenergy is functioning as a bioenergy plant, majorly engaged in the business of producing bioethanol through fermentation of sugars, present in raw materials as the cereals (wheat, barley, corn and sorghum). The plant has an inbuilt process of producing steam and electricity to satisfy the self-supply needs of the plant, leftover is distributed to the grid.
Developer of solar and wind energy projects
Operator of renewable energy platform focused on developing solar, and clean energy projects
Provider of solar energy services
Generation of wind power
Nomad Solar Energy is a provider of portable solar energy solutions, offering innovative products and services to bring clean energy to various industries and sectors. The company designs and manufactures photovoltaic solutions to cater to off-grid and mobile energy needs, with a focus on decarbonization.
Providerof aerothermal energy services
Developer of utility scale renewable energy solutions
Independent power producer. The company is present in the entire value chain development, engineering and construction, operation and maintenance, and the marketing of energy. They develop projects for themselves and also put their experience in the sector at the service of third-party customers through EPC contracts –particularly in wind and photovoltaic power.
X-ELIO is a developer and operator of utility-scale photovoltaic plants. The company procures and integrates all components to commission a solar plant. XElio undertakes turnkey contracts and is present in 18 countries with 300 MW of photovoltaic projects in operation or in construction
T-Solar involves in the construction, development, operation and maintenance of large-scale solar plants in Spain, Italy, India, Peru, USA, Puerto Rico and Japan. They have installed 316 MWp capacity solar park.
Europa
EIC Fund
European Investment Bank
Official Credit Institute
KKR
Triodos Investment Management
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547 Energy
CVC
Corpfin Capital
Global Infrastructure Partners
MUFG
TiLT Capital Partners
Rankings are computed by Radar (Fliar BI) from the Radar company master and are updated periodically. Funding and momentum scores use disclosed equity-funding data only. Figures may lag private rounds. Last updated 2026-06-20.
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