On July 29, 1999, about 2048 mountain daylight time, a Cessna 182, N5510B, was substantially damaged when it collided with power lines near Homedale, Idaho. Day visual meteorological conditions prevailed and no flight plan was filed for the 14CFR91 local flight. The unlicensed pilot was not injured. There was no report of fire or ELT activation. The flight originated from Hubler Field, Middleton, Idaho, approximately 15 minutes prior to the accident. The pilot stated he struck the power lines while flying over a hay field. The power lines were approximately 35 feet above the ground. After striking the power lines, the pilot was able to fly the aircraft back to the departure airfield and land without further incident. The pilot reported no mechanical difficulties or malfunctions with the aircraft prior to colliding with the power lines. The pilot was sent the National Transportation Safety Board Pilot/Operator Aircraft Accident Report Form 6120.1/2. To this date, the pilot has not returned the form.