Madison, Wisconsin [RenewableEnergyAccess.com] Madison Gas and Electric (MGE) signed an agreement to build and own 30 megawatts (MW) of renewable energy at a windfarm complex near Mason City, Iowa. MGE will invest $56 million in the project, which is expected to go online in the last quarter of 2007. With this purchase, the company will power about 5% of its annual energy demand using renewable energy sources. MGE also provides electricity generated from solar energy, landfill gas and clean-burning alternative fuels that replace coal. The agreement will increase MGE’s wind power portfolio by nearly four times.