ERM is a sustainability consultancy supporting organizations as they address environmental and business challenges. Its renewable energy practice works with power producers, utilities, investors, banks, diversified energy companies, and large energy users across the clean energy transition. ERM advises on major technologies, including solar, onshore and offshore wind, hydroelectricity, geothermal, hydrogen, battery storage, and pumped hydro storage.

For clients developing and operating projects, ERM provides strategic advice, market intelligence, project delivery support, permitting assistance, and guidance on energy contracts and risk. Its services also help clients buy, sell, or invest in renewable energy and storage assets through technical, commercial, regulatory, environmental, and financial due diligence. For organizations pursuing decarbonization, ERM supports climate strategies, market risk management, internal alignment, and renewable energy procurement.

The firm also helps clients navigate interconnection, land use, regulatory requirements, community considerations, and sustainability expectations. Its broader capabilities include climate and net-zero strategy, environmental assessment, biodiversity, infrastructure, and transactions.