The 12 closest competitors and alternatives to REN among energy companies — ranked by similarity to what REN actually does, not by market-cap band.
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REN (Redes Energéticas Nacionais) manages the Portuguese National Gas System, including interconnections with the Spanish network and the LNG Terminal. The company is responsible for ensuring the uninterrupted supply of electricity and natural gas in mainland Portugal, operating in high voltage electricity transmission and overall technical management.
REN is an energy company headquartered in Portugal. Xcout tracks 9 named people at REN, including Peter Michael Yu (Chairman & Chief Executive Officer).
3 more named people on record for REN, with roles, board committees and tenure — see the full roster →
Ranked by semantic similarity — how close each company is to REN by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Energy Transmission
EDP Brasil operates as an energy solutions company that provides electricity distribution services, power supply, and related customer services to residential and commercial clients in the states of São Paulo and Espírito Santo. The company manages electricity grids, billing, technical standards, and renewable energy options such as solar generation.
Energy Transmission
Neoenergia is an energy company that operates in the generation, transmission, distribution, and commercialization of electricity. It serves residential, commercial, and industrial customers across various regions in Brazil by providing power supply and energy solutions.
Similar energy company
Energisa Transmissão de Energia S.A. is part of Brazil’s Energisa group and operates electricity-transmission infrastructure under regulated concessions. Its transmission lines and substations support the interconnected power system, serving the electricity sector rather than retail consumers directly.
Similar energy company
Companhia Paranaense de Gás (Compagas) is a natural gas and biomethane distribution company that supplies piped gas to residential, commercial, industrial, and vehicular customers in the state of Paraná, Brazil. The company provides continuous energy solutions for domestic use, business operations, industrial processes, and vehicular fuels such as GNV (natural gas for vehicles).
Similar energy company
Transelectrica acts as the national transmission and system operator for electricity in Romania. It manages, operates, and develops the country's electricity transmission grid and ensures the operational management of the National Power System.
Similar energy company
Cia Energetica de Minas Gerais - Cemig is an electric utility company that generates, transmits, and distributes electricity to residential, commercial, and industrial customers. It provides energy services such as bill payments, grid connections, outage reporting, and power restoration.
Similar energy company
Stedin is an energy network operator that manages and maintains electricity and gas grids for residential and business customers. The company handles energy connections, smart meters, power outages, and facilitates the transition to sustainable energy systems.
Similar energy company
Compass Gás e Energia S.A. is a Brazilian energy company within the Cosan group, focused on natural-gas distribution, marketing and related infrastructure. Through businesses including Comgás, it serves residential, commercial and industrial customers in Brazil.
Similar energy company
Golar Power Brasil Participações S.A. is a Brazilian energy company associated with Golar Power’s LNG-to-power business. It develops and operates projects linking liquefied natural gas supply and regasification infrastructure with thermoelectric electricity generation for Brazil’s power market, including the Sergipe power complex.
Energy Transmission
ENGIE Brasil operates in the energy and infrastructure sector, providing power generation, energy transmission, gas transportation, and energy commercialization services. The company also offers energy solutions, decarbonization strategies, and energy efficiency management for industrial, commercial, and municipal clients.
Similar energy company
Companhia Celg de Participações (CELGPAR) is a Goiás-based electricity-sector holding company that manages investments and corporate interests in energy generation, transmission and distribution businesses. It primarily serves the State of Goiás and the Brazilian electricity market through its subsidiaries and affiliated companies.
Similar energy company
ADMIE (IPTO) is the Independent Power Transmission Operator of Greece, responsible for operating, monitoring, maintaining, and developing the Hellenic Electricity Transmission System. The company manages high-voltage power grids, interconnections, and the balancing market to ensure reliable electricity supply for energy producers, suppliers, and consumers.
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