Alterna Online quiere ser tu nuevo operador único: contrata luz, gas, móvil y fibra. Tenemos las mejores tarifas y ofertas convergentes.

The new E.ON is an international energy company focused on smart grids and customer solutions to drive the energy transition in Europe.

Welcome to the website of the Tokyo Electric Power Company (TEPCO), Japan. View our corporate information and learn more about our latest technologies in power generation as well as recent developments in other areas. Also stay up to date with our continuing Fukushima incident decontamination efforts here.

Exelon Corporation is the nation’s leading competitive energy provider. We believe that affordable energy is essential to a brighter, more sustainable future.

ENGIE takes on the challenge of the energy transition through its three businesses: electricity, natural gas and energy services.

Everything you need to know about energy savings and information regarding energy service for your home from Duke Energy.

Descubre todo los servicios que EDP tiene disponibles para que ahorres al máximo en la energía de tu hogar.

OUR PURPOSE At ENUSA, our purpose is to develop innovative nuclear and environmental solutions at a global level, contributing to the sustainable progress of society.

Statkraft is Europe’s largest generator of renewable energy. We produce hydropower, wind power and solar power and are a global company in energy market operations.

Conoce nuestra actividad energética (gas, electricidad y renovables) y mantente informado con nuestras noticias, las principales magnitudes del grupo, la información para accionistas e inversores y nuestra política de responsabilidad corporativa.

Atención al cliente, las mejores tarifas de luz / gas y un propósito: construir un futuro sostenible. ¿Nos acompañas?

Multinacional líder en energías limpias y pionera en el despliegue de redes inteligentes, al servicio de la sociedad y las personas.