The best energy & power companies of 2026

Enel is an Italian energy company that provides electricity, gas, fiber, and related products and services for residential and business customers in the free market.

Good Energy is a UK-based renewable energy supplier offering electricity from British renewable sources, along with solar panels, batteries, EV charging, and heat pump solutions.

Goal Zero manufactures and sells portable power stations, solar generators, solar panels, power banks, and home energy storage solutions.

Octopus Energy is a UK-based energy supplier offering electricity and gas tariffs to residential customers, including smart tariffs for homes, electric vehicles, and batteries.

Anker SOLIX offers renewable energy products including portable power stations, solar generators, and solar panels for consumer use.

Innova Energie is a Dutch energy supplier offering fixed and dynamic energy contracts with 100% green electricity.

A German retailer of small-scale power generation systems, such as balcony solar panels or portable solar kits, enabling households to generate their own electricity.

E is a UK energy supplier providing gas and electricity to residential customers, recognized as a top-scoring energy supplier by Which?.

E.ON is a major European energy company that provides electricity, gas, and related energy services to residential and business customers.

Exide Industries is a leading manufacturer of lead-acid storage batteries and power storage solutions for automotive and industrial applications.