EnergyPathways plc is a United Kingdom-based energy transition company that develops low-emissions integrated energy solutions, focusing primarily on the 100% owned Marram Energy Storage Hub (MESH) project in the East Irish Sea; MESH comprises a large-scale, fully decarbonized energy storage facility providing secure supplies of natural gas from the Marram Field and green hydrogen produced via electrolysis using excess power from nearby Irish Sea wind farms, alongside compressed air energy storage and methane pyrolysis technologies; the company targets the UK market to support energy security and net zero goals through long-duration storage and low-cost hydrogen production. Headquartered in Worthing, West Sussex, and founded in 2021, EnergyPathways operates exclusively in the UK, leveraging undeveloped gas resources and renewable integration for over 25 years of supply. Recent developments include the UK government's designation of MESH as a nationally significant project under the Planning Act 2008 to accelerate approvals toward a 2030 operational target; key partnerships with Wood PLC as lead engineer, PDi Ltd for field tie-ins, Siemens Energy for storage, Costain, Zenith Energy, Hazar Group, and KBR Inc for hydrogen and system integration; funding raises totaling over £2.3 million in 2025 via placings and subscriptions from shareholders and directors to advance front-end engineering design (FEED) and pre-development activities; and entry into the FEED stage post half-year results to June 2025.