1 unchanged sentence
In addition to these physical assets, Idaho Power has rights-of-way and water rights that enable it to use its facilities.
−Removed: Idaho Power’s system is composed of 17 hydropower generating plants located in southern Idaho and eastern Oregon, three natural gas-fired plants in southern Idaho, and interests in a coal-fired and natural gas-fired steam generating plant located in Wyoming and a coal-fired steam generating plant in Nevada.
+Added: Idaho Power’s system is composed of 17 hydropower generating plants located in southern Idaho and eastern Oregon, three natural gas-fired plants in southern Idaho, and interests in a coal-fired and natural gas-fired steam generating plant located in Wyoming and a gas-fired steam generating plant in Nevada.
As of December 31, 2025, the system also includes approximately 4,730 pole miles of high-voltage transmission lines, 23 step-up transmission substations located at power plants, 21 transmission substations, 12 switching stations, 31 mixed-use transmission and distribution substations, 188 energized distribution substations (excluding mobile substations and dispatch centers), approximately 30,020 linear miles of distribution lines, and a capacity of 1,228 MWh of battery storage, comprised of 9 facilities, located in southern Idaho and eastern Oregon.
+Added: As part of the Oregon Sale, Idaho Power expects to sell to OTEC substantially all of its Oregon distribution lines and several substations and certain other assets located in Oregon.
IDACORP's and Idaho Power's headquarters are located in Boise, Idaho.
5 unchanged sentences
Idaho Power considers its properties to be well-maintained and in good operating condition.
−Removed: Through IERCo, Idaho Power owns a one-third interest in BCC and coal leases near the Jim Bridger plant in Wyoming from which coal is mined and supplied to the plant.
+Added: Through IERCo, Idaho Power owns a one-third interest in BCC and coal leases near the Jim Bridger plant in Wyoming from which coal is mined and supplied to generating units 3 and 4 of the plant.
Ida-West holds 50-percent interests in nine hydropower plants that have a total nameplate capacity of 44 MW.
23 unchanged sentences
Jim Bridger Units 3 and 4 (coal-fired) (4)(5)
−Removed: North Valmy Unit 2 (coal-fired) (4)(6)
+Added: North Valmy Unit 1 (gas-fired) (4)(6)
+Added: North Valmy Unit 2 (gas-fired) (4)(6)
Danskin (gas-fired) 270,900
12 unchanged sentences
Idaho Power's 2025 IRP identified a preferred resource portfolio and action plan that includes the conversion of the two remaining generating units from coal to natural gas at the Jim Bridger plant in 2030.
−Removed: (6) Pursuant to an agreement with NV Energy, Idaho Power ceased participation in coal-fired operations of North Valmy in December 2019 at unit 1.
−Removed: Idaho Power's 2023 IRP identified a preferred resource portfolio and action plan that includes the conversion of the two generating units at the North Valmy plant from coal to natural gas in 2026.
+Added: (6) Pursuant to an agreement with NV Energy, Idaho Power ceased participation in coal-fired operations of North Valmy in December 2019 at unit 1 and December 2025 at unit 2.
+Added: Idaho Power's 2025 IRP identified a preferred resource portfolio and action plan that includes the conversion of the two generating units at the North Valmy plant from coal to natural gas by mid-2026.
+Added: The conversion of unit 1 has been completed and was placed in-service in December 2025, and the conversion of unit 2 is expected to be completed by mid-2026.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.