Mitsubishi Power Americas will use Emerson’s Ovation integrated control and safety platform to optimize the Advanced Clean Energy Storage Project (ACES).

The project, expected to be the world’s largest green hydrogen production and storage facility, will use renewable electricity to power electrolyzers to produce green hydrogen. ACES will combine 220 MW of alkaline electrolysis with two 4.5-million-barrel salt caverns to store the hydrogen.

The facility will have storage for 300 GWh of energy in two salt caverns. By comparison, the battery storage capacity across the United States is 2-GWh via lithium-ion batteries. The Advanced Clean Energy Storage hub has space for up to 100 caverns.

The hydrogen will be stored so that it can be dispatched to generate clean electricity from hydrogen-fueled turbines at the Intermountain Power Project in Delta, Utah.

Mitsubishi Power is supplying two hydrogen-capable M501JAC gas turbines, helping the soon-to-be-retiring coal plant transition to a natural gas and hydrogen blend. Starting in 2025 the project would burn 30% hydrogen. The company maintains IPP will be 100% green hydrogen-fired by 2045.

Mitsubishi Power will use Emerson’s hydrogen production experience and automation software expertise to “increase safety, decrease costs and simplify maintenance across the life cycle of the facility.”

Emerson’s Ovation platform will provide reliable control and monitoring of the renewable hydrogen production process and emergency shutdown, fire and gas protection. The platform will also gather and contextualize data from the plant’s third-party systems to help eliminate complexity and risk.

Emerson’s PACSystems RSTi-EP I/O will provide easier field connectivity and help facilitate project changes without extending timelines or increasing cost, while its AMS Device Manager will help monitor the health of plant assets to improve safety, reliability, efficiency and sustainability.

“One of the most complex issues in power distribution is successfully managing variability of demand and supply to reduce stress on the grid,” said Bob Yeager, President of Emerson’s power and water business. Yeager added: “Mitsubishi Power has successfully leveraged the digital automation stack to develop an innovative, sustainable way to solve that problem, enabling providers to consistently use peak-production renewable energy in peak-consumption hours.”

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