100Green is a pioneering energy supplier in the UK, dedicated to providing 100% green and renewable energy solutions since 2001. What sets 100Green apart is its unique offering of the UK’s only 100% green gas, produced from natural waste and organic materials, ensuring truly sustainable tariffs. The brand is committed to environmental integrity, choosing to eliminate carbon offsetting by sourcing only green energy at its origin.

In addition to its focus on sustainable energy, 100Green emphasizes exceptional customer service through a phone-first approach, allowing customers to speak directly with real people—free from automated systems. Their straightforward business model means no upfront payments or exit fees, making it easy for customers to manage their accounts without hassle.

100Green offers a variety of unique tariffs such as the Sparkling Variable or Fixed Green Tariff, the independently eco-labelled EKO Fixed Term Premium Green Tariff, and the innovative Tide Time-of-Use Green Tariff, catering to diverse needs while supporting sustainable living.