Iberdrola. 

Iberdrola, S.A. is a prominent energy utility based in Spain, conducting electricity generation, transmission, distribution, and supply operations both domestically and across various international markets. The company harnesses a diverse portfolio of power sources, including substantial renewable capacity from onshore and offshore wind, hydroelectric, solar photovoltaic, and biomass technologies, supplemented by combined cycle gas, nuclear facilities, and battery storage solutions. Beyond its core electrical services, Iberdrola actively trades electricity and natural gas on wholesale markets and is a key player in advancing green hydrogen projects, alongside its gas distribution and sales activities. The firm manages an impressive operational footprint, boasting an aggregate installed capacity of 58,320 megawatts (MW), of which 38,138 MW originates from renewable sources. Its extensive infrastructure comprises 1.2 million kilometers of electricity transmission and distribution lines, serving a vast customer base of 36.11 million. For residential clients, Iberdrola offers a suite of energy solutions such as storage systems, heat pumps, self-consumption options, and electric vehicle charging support. Industrial customers benefit from services including energy facility management, the provision of green hydrogen, and industrial heating. Established in 1840, Iberdrola, S.A. maintains its corporate headquarters in Bilbao, Spain.