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PacifiCorp Draft Resource Plan Calls for Increases in Wind, Solar and Storage 

PacifiCorp power company, headquartered in Portland, Oregon, has released a draft of its long-term energy plan that continues investments in new wind generation and transmission, while adding significant new solar and storage resources. The company said "the plan is the result of a comprehensive data analysis and stakeholder input process."
PacifiCorp Draft Resource Plan Calls for Increases in Wind, Solar and Storage 
Courtesy of PacifiCorps

“The transition in how we meet our customers’ energy needs is under way,” said Rick Link, PacifiCorp’s vice president of resource planning and acquisitions. “With a focus on lower-cost renewable resources and strategic transmission investments, this plan allows us to continue to deliver the reliable and low-cost energy our customers need as we embark on a phased and well-managed coal transition that minimizes impacts to our thermal operations workforce and communities.”

The draft “preferred portfolio” for the 2019 Integrated Resource Plan (IRP) indicates how the company envisions meeting customer energy needs most cost-effectively over the next 20 years. PacifiCorp will file its final 2019 IRP with state regulatory commissions by October 18. The draft preferred portfolio and other information about the 2019 IRP can be found at pacificorp.com/irp.

The draft 2019 resource plan includes the following additional renewable energy resources:*

Wind generation

More than 3,500 MW of new wind generation by 2025, including resources acquired through customer partnerships, and a total of more than 4,600 MW of new wind generation by 2038, including:

  • More than 1,500 MW of new wind generation that is currently under construction, including new wind projects in Wyoming as part of the company’s Energy Vision 2020 initiative
  • 1,920 MW of additional new wind generation in Wyoming by 2024
  • 1,100 MW of new wind generation in Idaho in the 2030 to 2032 timeframe

Solar and storage

  • Nearly 3,000 MW of new solar by 2025, including resources acquired through customer partnerships, and more than 6,300 MW of new solar by 2038
  • Nearly 600 MW of battery storage by 2025 and more than 2,800 MW of battery storage by 2038

The 2019 draft resource plan identifies battery storage as part of a least-cost portfolio for the first time. All of the storage resources planned by 2025 are paired with new solar generation. The plan adds nearly 1,400 MW of stand-alone storage resources starting in 2028. The new solar and storage resources added over the planning period include:

  • 3,000 MW of new solar in Utah paired with 635 MW of battery storage, phased in between 2020 and 2037
  • 1,415 MW of new solar in Wyoming paired with 354 MW of battery storage, phased in between 2024 and 2038
  • 1,075 MW of new solar in Oregon paired with 244 MW of battery storage, phased in between 2020 and 2033
  • 814 MW of new solar in Washington paired with 204 MW of battery storage, phased in between 2024 and 2036

*Note: Total capacity includes 799 MW acquired through customer partnerships supported by purchase of 100 percent of renewable attributes generated by those resources, resources to be used for renewable portfolio standard compliance, and resources where a portion of the renewable attributes are sold to customers, third parties, or are excluded from energy purchased. 

To facilitate the delivery of new renewable energy resources to PacifiCorp customers across the West, the plan calls for the construction of a 400-mile transmission line known as Gateway South connecting southeastern Wyoming and northern Utah. The new transmission line will be in addition to the 140-mile Gateway West transmission segment in Wyoming currently under construction.

Of the 24 coal units currently serving PacifiCorp customers, the draft plan envisions retirement of 16 of the units by 2030 and 20 of the units by the end of the planning period in 2038. The unit retirements will reduce coal-fueled generation capacity by nearly 2,800 MW by 2030 and by nearly 4,500 MW by 2038.

For the 2019 IRP, state regulators will evaluate and consider the resource decisions in the preferred portfolio, including the identified closure dates for the coal units in the plan.

 

 

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