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Duke Energy Rate Case

New rates for Duke Energy received IURC approval in orders issued on Jan. 29, 2025, Feb. 3, 2025, Apr. 9, 2025, and Apr. 16, 2025. The approved increase in annual revenues is approximately $295.7 million, per the Feb. 3 order.

Duke Energy had requested an increase of approximately $491.5 million, to be implemented in two phases. The OUCC recommended limiting the increase to about $184.7 million based on its analysis of the case's evidence.

All publicly filed documents in this case (Cause No. 46038), including post-order filings, are available on the IURC's website.

The OUCC filed the following testimony on July 11, 2024, based on a 3 1/2 month technical and legal review of Duke Energy's proposal. The agency's July 12, 2024 news release has more information.

The OUCC received and filed more than 5,600 pages of consumer comments in this case. In addition, the IURC heard testimony from consumers at a series of public field hearings:

OUCC news releases inviting public comments were issued in May, June, and July.

Duke Energy filed its petition and the following testimony on Apr. 4, 2024:

  1. Pinegar
  2. Rutledge
  3. Graft
  4. Sieferman
  5. Lilly
  6. Diaz
  7. Flick
  8. Rimal
  9. Bauer
  10. McKenzie
  11. Kopp
  12. Spanos
  13. Riley
  14. Buck
  15. Panizza
  16. Caldwell
  17. Luke
  18. Hoeflich
  19. Hill
  20. Swez
  21. Verderame
  22. Abbott: 1 | 2
  23. McCorkle
  24. Colley

The utility's accounting work papers and additional exhibits are posted on the Commission's website.

Previous Rate Case

The IURC issued its order in the Duke Energy rate case on June 29, 2020, authorizing a $146 million increase in the utility's annual operating revenues.

The Indiana Supreme Court reversed a portion of the Commission's order on Mar. 10, 2022. Duke Energy's petition for rehearing was denied by the Indiana Supreme Court on May 26, 2022.

  • A settlement agreement resolving issues on remand received Commission approval on Apr. 12, 2023.
  • The OUCC, industrial customers, and Duke Energy reached the agreement and filed testimony supporting it.
  • The approved settlement will provide customers with $70.25 million in refund credits, and $23.2 million in annual credits going forward.

In the parties' respective closing briefs in the original IURC case, Duke Energy requested a $362 million increase. The OUCC recommended a rate reduction of approximately $135 million.

IURC public field hearings in this case were held in Carmel, Terre Haute, and New Albany. The OUCC issued an August 27, 2019 news release to invite consumer comments.

All publicly filed documents in IURC Cause No. 45253 are posted in the Commission's case file, including consumer comments filed by the OUCC. Issues regarding ash pond closure costs and a proposed electric vehicle pilot program have been moved to separate subdockets.

The OUCC filed the following testimony on Duke Energy's rate request on October 30, 2019:

Duke Energy filed its petition on July 2, 2019. Its initial testimony included:

4-16-2025