8-K: Duke Energy Carolinas Secures Rate Increase Approval in South Carolina, Faces One-Time Charge

Duke Energy Carolinas received approval for a rate increase in South Carolina, resulting in a one-time charge for Duke Energy Corporation.

Summary

• The Public Service Commission of South Carolina (PSCSC) approved a rate increase for Duke Energy Carolinas (DEC) following a settlement agreement.
• The rate case, initially filed on January 4, 2024, sought an overall average 15.5% increase in annual retail revenues, or approximately $323 million.
• The approved order includes a $234 million annual customer rate increase before a reduction from accelerated return of federal unprotected Excess Deferred Income Taxes (EDIT).
• After accelerating EDIT giveback to customers over two years, the net annual rate increase is $150 million for the first two years.
• The order is based on a South Carolina retail rate base of $7.4 billion, a return on equity of 9.94%, and a capital structure of 51.21% equity and 48.79% debt.
• The order will result in Duke Energy Corporation recognizing a one-time net pre-tax accounting charge of approximately $30 to 40 million in the second quarter of 2024.
• Revised customer rates will be effective August 1, 2024.

Sentiment

Score: 5

Explanation: The document contains both positive and negative elements. The rate increase approval is positive, but the lower return on equity and one-time charge temper the overall sentiment.

Positives

• The settlement agreement was approved by the PSCSC, resolving all issues in the base rate proceeding.
• The company will recover $184 million in coal ash compliance costs over 7 years.
• The inclusion of $188 million of construction work in progress (CWIP) in the rate base is a positive outcome.
• The agreement includes a one-time shareholder contribution of $2 million to fund low-income and energy efficiency customer matters.

Negatives

• Duke Energy Corporation will incur a one-time net pre-tax accounting charge of approximately $30 to 40 million in Q2 2024.
• The approved return on equity of 9.94% is lower than the initially requested 10.5%.

Risks

• The one-time accounting charge will negatively impact Duke Energy Corporation's second-quarter earnings.
• The lower-than-requested return on equity may affect future profitability.
• The company needs to discuss the applicability of Nuclear Production Tax Credits with the ORS within 30 days from issuance of U.S. Treasury Guidance.

Future Outlook

The company will discuss the applicability of Nuclear Production Tax Credits with the ORS within 30 days from issuance of U.S. Treasury Guidance and/or initiate a separate docket at the Commission to determine the most appropriate way to handle these credits in future ratemaking.

Industry Context

This rate case approval is a significant development for Duke Energy Carolinas, as it is the first base rate case filed in South Carolina since 2018. The outcome will impact the company's revenue and profitability in the region. The settlement also reflects the ongoing regulatory scrutiny of utility companies and their cost recovery mechanisms.

Comparison to Industry Standards

• The approved return on equity of 9.94% is within the typical range for regulated utilities, but slightly lower than the initial request of 10.5%.
• Other utility companies such as Southern Company and NextEra Energy have recently seen similar regulatory proceedings with varying outcomes on allowed returns.
• The inclusion of CWIP in the rate base is a common practice in the industry to support ongoing infrastructure investments.
• The recovery of coal ash compliance costs is a significant issue for many utilities, and the 7-year recovery period is a typical timeframe.

Stakeholder Impact

• Shareholders will be impacted by the one-time accounting charge.
• Customers will see an increase in their rates starting August 1, 2024.
• The agreement includes a one-time shareholder contribution of $2 million to fund low-income and energy efficiency customer matters.

Next Steps

• Duke Energy Carolinas will implement the revised customer rates effective August 1, 2024.
• The company will discuss the applicability of Nuclear Production Tax Credits with the ORS within 30 days from issuance of U.S. Treasury Guidance.
• The company will recognize a one-time net pre-tax accounting charge of approximately $30 to 40 million in Q2 2024.

Key Dates

Keywords

rate case, Duke Energy Carolinas, Public Service Commission of South Carolina, rate increase, return on equity, coal ash, retail revenues, accounting charge, EDIT, capital structure