South Carolina commission rejects Duke Energy’s resource plan over ‘bad assumptions’

Share on facebook
Facebook
Share on twitter
Twitter
Share on linkedin
LinkedIn
Share on reddit
Reddit
Share on email
Email
A solar farm in South Carolina. Image: Nextera

South Carolina’s Public Service Commission (PSC) rejected Duke Energy’s Integrated Resource Plan (IRP) for the Carolinas because of poorly made assumptions and told the utility company to change its IRP in response from the solar industry.

The IRP included measures that would have impacted electricity retail rates, availability of solar-plus-storage power purchase agreements (PPAs), coal plant retirement, and other energy events in the state.

Kevin Lucas of Solar Energy Industries Association (SEIA) was an expert witness for the Carolinas Clean Energy Business Alliance (CCEBA). “The Duke Energy IRP contained a number of bad assumptions and methodologies that would have supported too much Duke-owned natural gas generation instead of developing more competitive solar, storage, and demand-side resources,” said the senior director of utility regulation and policy.

The PSC ordered Duke Energy to reconsider large parts of the IRP, such as updating its cost assumptions for solar PPAs and other projects, updating its natural gas price forecasts, and increasing the amount of solar energy that can be added to the grid each year.

“Now that Duke is going back to the drawing board, it’s important that its modified IRPs take a more realistic approach and consider the true cost-competitiveness, economic benefits, and reduced risk of solar and storage,” said Lucas.

Duke Energy is required to file modified IRPs within 60 days of the order.

Read Next

April 21, 2022
Michigan utility Consumers Energy and a coalition of customer groups have agreed on a plan that will see the company exit from coal by 2025 through deploying nearly 8GW of solar PV and 550MW of battery energy storage systems (BESS) by 2040.
March 17, 2022
US utility Indiana Michigan Power (I&M) has issued a request for proposals (RFP) for 500MW of solar as part of its new integrated resource plan that calls for the addition of more than 2GW of renewables by 2028.
February 22, 2022
Washington state utility Avista has launched a request for proposals (RFP) for 196MW of winter capacity and 190MW of summer capacity by 2030, with the request also considering storage and demand-side response resources as the utility works to meet the state’s clean energy targets.
February 2, 2022
US utility Georgia Power has set out plans to procure up to 6GW of new renewable power by 2035, almost doubling its existing capacity.
February 2, 2022
Indiana Michigan Power (I&M) has submitted an Integrated Resource Plan to add more than 2GW of solar and wind by 2028 to the Indiana Utility Regulatory Commission (IURC).
January 5, 2022
US utility Appalachian Power has unveiled plans to acquire or contract for nearly 300MW of solar PV over the next three years as it transitions towards net zero status by 2050.

Subscribe to Newsletter

Upcoming Events

Upcoming Webinars
July 19, 2022
Free Webinar - 10am and 6pm BST
Upcoming Webinars
July 27, 2022
9am (UTC +2) / 3pm (UTC +8)
Solar Media Events
October 4, 2022
New York, USA