Residential, Farm, Ranch, and Small Business Wind Energy Systems Act of 2003

Residential, Farm, Ranch, and Small Business Wind Energy Systems Act of 2003 or the Small Wind Energy Systems Act of 2003 - Amends the Internal Revenue Code to allow a taxpayer an annual credit for 30 percent of the cost of installing a qualified residential wind turbine. Limits such credit to $1,000 for each kilowatt of capacity. (Excludes swimming pools or any storage medium which has a function other than a storage function.)Allows an annual business credit for installation of a qualifying wind turbine on a farm, ranch, or small business. Limits such credit to the smaller of: (1) 30 percent of basis, including installation; or (2) $1,000 for each kilowatt of capacity.