NW Natural Completes North Mist Expansion Project

(P&GJ) – NW Natural has completed its North Mist Expansion Project and begun providing no-notice storage to Portland General Electric’s Port Westward plants to balance renewable power on the grid.

source: NW Natural Holdings

The $149 million project included a 13-mile natural gas pipeline, a compressor station, and a new 3 Bcf reservoir. Through this storage service, Portland General will be able to draw on its natural gas resources from NW Natural’s facilities in Mist, Ore. to meet its fueling needs and rapidly respond to peak demand and variability of wind, hydro and solar generation. 

“We’ve worked diligently to complete this innovative, one-of-a-kind service. I’m proud of everyone involved as we place one of the largest projects in our utility’s history into service,” said David H. Anderson, president and CEO of NW Natural. “We believe this is an important step in supporting our region’s move to more renewable power while also enhancing grid reliability.”

The facility is contracted for an initial 30-year period to Portland General with renewal options of up to 50 years beyond that.

“Our customers are counting on us to be clean energy leaders and keep our electric grid as reliable and affordable as possible,” said Maria Pope, PGE’s president and CEO. “The North Mist Expansion gives us more flexibility to continue adding renewable resources without compromising our ability to keep the system resilient and reliable.”

NW Natural will recover its cost of service for the investment, inclusive of its authorized cost of capital, with immediate earnings under an established tariff schedule that was previously approved by the Oregon PUC.

NW Natural is a Portland-based local distribution company that currently provides natural gas service to 2 million people in more than 140 communities in Oregon and Southwest Washington. The company has 19 Bcf of storage in Oregon with 3 Bcf supporting renewables.

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