https://utilityratecalc.com/iowa/ New and coming changes to residential electricity rates in Iowa, from the official tariffs. en-us Mon, 02 Nov 2026 12:00:00 +0000 https://utilityratecalc.com/iowa/alliant-energy/Energy adjustment clause (November billing month): 1.676¢ per kWh to 1.006¢ per kWh, from November 1, 2026. Alliant Energy (Interstate Power and Light), 400 (Electric Residential Service). Source: Rider EAC, Sheet No. 57 (245th Revised).Sun, 01 Nov 2026 12:00:00 +0000d898319d7da9f0f2 https://utilityratecalc.com/iowa/alliant-energy/Energy adjustment clause (October billing month): 1.616¢ per kWh to 1.676¢ per kWh, from October 1, 2026. Alliant Energy (Interstate Power and Light), 400 (Electric Residential Service). Source: Rider EAC, Sheet No. 57 (244th Revised).Thu, 01 Oct 2026 12:00:00 +000028505f3682d2aea5 https://utilityratecalc.com/iowa/midamerican-energy/Energy adjustment clause: 0.802¢ per kWh to 1.527¢ per kWh, from August 28, 2026. MidAmerican Energy, RS (Residential Service). Source: MidAmerican supplemental information, Iowa Clause EAC.Fri, 28 Aug 2026 12:00:00 +00008d01693d4041aa38 https://utilityratecalc.com/iowa/midamerican-energy/Energy efficiency charge: 0.127¢ per kWh to 0.115¢ per kWh, from July 1, 2026. MidAmerican Energy, RS (Residential Service). Source: MidAmerican supplemental information, Iowa Clause EECR.Wed, 01 Jul 2026 12:00:00 +00005744734c68e80d0e https://utilityratecalc.com/iowa/midamerican-energy/Demand response charge: 0.035¢ per kWh to 0.069¢ per kWh, from July 1, 2026. MidAmerican Energy, RS (Residential Service). Source: MidAmerican supplemental information, Iowa Clause EECR.Wed, 01 Jul 2026 12:00:00 +00002736819004d30c47 https://utilityratecalc.com/iowa/midamerican-energy/Transmission cost adjustment: 0.394¢ per kWh to 0.356¢ per kWh, from June 2, 2026. MidAmerican Energy, RS (Residential Service). Source: MidAmerican supplemental information, Iowa Clause TCA.Tue, 02 Jun 2026 12:00:00 +0000cddc02004481b6a4 https://utilityratecalc.com/iowa/midamerican-energy/Tax expense revision mechanism: −0.081¢ per kWh to −0.292¢ per kWh, from May 1, 2026. MidAmerican Energy, RS (Residential Service). Source: MidAmerican supplemental information, Iowa Clause TERM.Fri, 01 May 2026 12:00:00 +0000fce7b492c27a484e https://utilityratecalc.com/iowa/midamerican-energy/Transmission cost adjustment: 0.335¢ per kWh to 0.394¢ per kWh, from May 1, 2026. MidAmerican Energy, RS (Residential Service). Source: MidAmerican supplemental information, Iowa Clause TCA.Fri, 01 May 2026 12:00:00 +0000ad3562bfdfd663a2