Renewable Energy Companies in United Kingdom

Leading global investor in sustainable infrastructure across energy, long-life infrastructure, and digital sectors. Operates in growth markets with ~350 employees across 17 offices globally, managing approximately $26 billion in cumulative capital raised.

Platform connecting industrial leaders in energy-intensive sectors to accelerate decarbonisation through events, networking, market intelligence, and partnerships focused on hard-to-abate industries.

Kairoscarbon develops a chemical process to convert low-quality organic waste—including sewage sludge, manure, and municipal waste—into durable carbon removal credits, clean water, minerals, and clean energy. The technology requires no external energy input.

Specialist climate change investment and advisory firm accelerating transition to net zero and nature-positive future. Provides climate advisory services, investment guidance, and research on natural capital and climate finance.

Global solar technology manufacturer producing high-efficiency photovoltaic panels for residential and commercial applications across multiple continents. Known for premium quality, durability, and 40-year warranties.

Granular Energy provides software solutions for managing and trading clean energy, specializing in Energy Attribute Certificate management for utilities. The platform enables hourly-accurate transparency and traceability of renewable energy sourcing for energy suppliers, traders, and buyers.

UK sustainability consultancy providing carbon footprint measurement, ESG reporting, Net Zero strategy, and Carbon Literacy training to businesses across industries. Supports regulatory compliance and emissions reduction planning.

BAR Technologies is a UK-based marine engineering firm specializing in wind-assisted shipping technologies and hull optimization. The company develops innovative solutions including WindWings and foiling technologies to reduce maritime emissions and improve fuel efficiency.

SSE Energy Solutions is a UK-based business energy supplier offering renewable electricity and gas plans, solar solutions, heat networks, and distributed energy infrastructure to over 250,000 business premises. Part of SSE Group, a major renewable energy generator.

EDF Power Solutions UK and Ireland develops, builds, and operates renewable energy projects including onshore and offshore wind, solar, battery storage, and green hydrogen across the UK and Ireland. The company aims to reach 10 GW of operational capacity by 2035.

UK-based energy management consultancy providing business energy procurement, energy strategy, renewable energy solutions, and sustainability services to corporate, public sector, and SME clients.

ScottishPower is a UK-based energy company owned by Iberdrola Group, operating onshore and offshore wind farms, electricity distribution networks, and retail energy services across the United Kingdom.