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IPL Long Term Generation Plan

To meet the growing electricity needs of its customers, IPL is proposing a long-term generation plan that consists of approximately $1.3 billion of investments in energy infrastructure over the next seven years. The long-term generation plan includes baseload and renewable energy generation and energy conservation.

Construction of Sutherland Generating Station Unit 4, which a hybrid generating station capable of producing enough energy to power approximately 472,500 homes and businesses.

  • Sutherland Generating Station is a baseload facility, which will provide energy to customers 24 hours a day, 7 days a week.
  • The facility’s design allows the new unit to be carbon capture ready.
  • The generating station will also be able to burn renewable fuels, such as switchgrass, corn stover or other agriculturally based products, further benefiting our environment.
  • The facility will be built next to the existing Sutherland Generating Station Units 1, 2 and 3 in Marshalltown, Iowa.
  • IPL will use up to 350 MW of the generating station’s capacity and will make the remaining capacity available to other Iowa utility partners.

Addition of company-owned wind generation that is expected to provide enough energy to power 50,000 homes and businesses.

Continued focus on innovative and aggressive energy efficiency programs.

  • In 2006, our company’s energy efficiency programs achieved energy savings equivalent to powering 12,100 homes annually.

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News Releases

March 31, 2008 - Interstate Power and Light Company files Sutherland Generating Station Unit 4 advanced ratemaking principles application with Iowa Utilities Board

March 26, 2008 - Interstate Power and Light Company to partner with Prairie Lands Bio-Products, Inc. on development of renewables to fuel proposed power plant

February 6, 2008 - Interstate Power and Light Company to expand wind generation potential in Iowa

February 1, 2008 - Iowa Generation for Iowans: Spencer Municipal Utilities moves to join in ownership of proposed Sutherland Generating Station Unit 4

January 31, 2008 - Iowa Generation for Iowans: Laurens Municipal Power and Communications becomes joint owner in proposed Sutherland Generating Station Unit 4 

January 30, 2008 - Iowa Generation for Iowans: Bancroft Municipal Electric Utility to partner in proposed Sutherland Generating Station Unit 4 

January 28, 2008 - Generation for Iowans: West Bend Municipal Utilities becomes partner in proposed Sutherland Generating Station Unit 4

January 25, 2008 - Generation for Iowans: New Hampton Municipal Light Plant approves joint ownership in Sutherland Generating Station Unit 4 

January 24, 2008 - Iowa Generation for Iowans: Milford Municipal Utilities agrees to joint ownership in Sutherland Generating Station Unit 4

January 22, 2008 - Iowa Generation for Iowans: Grundy Center Municipal Utilities approves joint ownership of Sutherland Generating Station Unit 4 

January 10, 2008 - Iowa Generation for Iowans: Interstate Power and Light Company announces a $10-12M million partnership with Emerson Process Management

Download high-res photo: ANR005-08.jpg – 9 MB [JPG]

Caption: “Large, steam-conditioning valves, such as the one depicted in the photo, will be supplied by Fisher and used in the process pipelines within the Sutherland Generating Station Unit 4. On Thursday, January 10, 2008, Emerson Process Management and IPL announced a $10-$12 million partnership in which Marshalltown’s Fisher valve division would be a key supplier to the proposed generating station project.”

Steam-conditioning valve

December 20, 2007 - Interstate Power and Light Company successfully closes transmission assets sale with ITC Midwest

December 18, 2007 - Interstate Power and Light Company receives MPUC approval of transmission assets sale to ITC Midwest

December 7, 2007 – Interstate Power and Light Company purchases wind development site in Iowa

December 4, 2007 – Interstate Power and Light Company receives FERC approval of transmission assets sale to ITC Midwest

November 28, 2007 – Interstate Power and Light Company receives approval from the Illinois Commerce Commission for sale of transmission assets to ITC Midwest

November 28, 2007 – Iowa generation for Iowans: Sutherland Generating Station Unit 4 partners sign joint operating agreement

November 6, 2007 - Strong winds boost Alliant Energy's wind generation to over 300 megawatts

October 25, 2007 - Alliant Energy breaks ground on company's first owned and operated wind farm

September 28, 2007 - Interstate Power and Light Company files application with Iowa Utilities Board for proposed Iowa wind facilities

July 2, 2007 - Interstate Power and Light Company Files for Approval to Construct Sutherland Generating Station Unit Four

May 7, 2007 – Central Iowa Power Cooperative and Corn Belt Power Sign Letters of Intent to Evaluate Partnership in New Marshalltown Power Plant

April 9, 2007 – Interstate Power and Light Announces Technology for New Power Plant

March 14, 2007 – Iowa Firm Named as Owner’s Engineer for IP&L Generating Station Project

January 19, 2007 - Alliant Energy-IP&L Announces Agreement to Sell Transmission Assets to ITC Holdings Corp.; Introduces Energy for a New Generation Plan

Brochures

Interstate Power and Light Generation Plan and Transmission Update brochure [PDF]

Interstate Power and Light Wind Generation Expansion [PDF]

Media Kit
Download the “Energy for a New Generation” logo and Sutherland plant photos.

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