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Joe Deely's picture
Partner Deely Group

Involved with high-tech for last 30 years. Interested in energy.

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  • Apr 29, 2022
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Will be interesting to see how this turns out - as this hydrogen is slated to be part of the  fuel in a new NG plant.

This 840 MW plant is being built to replace LADWP’s 1,900 MW InterMountain coal plant which is scheduled to close in 2025.

Utah’s largest coal-fired power plant is headed to early retirement in 2025, but the Intermountain Power Project’s transition to natural gas and hydrogen could offset associated job losses suffered by the state’s flagging coal industry if it kickstarts a green-energy revolution in Utah.

That’s according to a new report by the Utah Foundation exploring the economic impact of the Intermountain Power Authority’s (IPA) plan, dubbed IPP Renewed, to move its 40-year-old Millard County plant away from the fossil fuel most closely associated with climate change.

Initially hydrogen would be mixed with NG.

At its startup, IPP Renewed is to burn a gas mixture containing 30% hydrogen. That would expand to 100% by 2045.

Wind and solar installation would power a process called electrolysis, which uses an electrical current to separate water into its constituent elements of oxygen and hydrogen, which would be stored in salt caverns that have been hollowed out on nearby state trust lands.

it’s important to note that this coal plant will also be partially replaced with solar/wind which will use the same transmission line that currently moved coal-based electricity to LA.

According to IPA’s annual report, at 840 megawatts, the new gas-powered plant’s capacity will be far smaller than the current plant’s output, and it will generate much less power than the 2,400 megawatts the current power line to southern California can carry.

“This will result in unused capacity on the transmission lines that could perhaps be filled through other electricity generation projects,” Utah Foundation report says. “It is expected that much of this new electricity generation would be renewable sources such as wind and solar.”

Already, the line carries 300 megawatts of wind-generated power and many additional renewable energy projects are under development, looking for access to the more than 1,000 megawatts of transmission capacity that will remain after the coal generators are retired, according to IPA’s 2020 annual report.

 

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