1 There are now over 20,000 MW of cumulative solar electric capacity operating in the U.S., enough to power more than 4 million average American homes. 2  In 2014, with over 195,000 installations in 2014, nearly 645,000 U.S. homes and businesses have now gone solar and a new solar project was installed every 2.5 minutes.
Signs and Symptoms With a UCL injury, you may experience: Pain when using your arm in an overhead position (eg, pitching, throwing) Soreness in the inside edge of your elbow; Minor swelling along the inside of your arm; Possible numbness and tingling in your arm
Symptoms. Symptoms of a severe and sudden (acute) anterior cruciate ligament (ACL) injury include: 1  Feeling or hearing a pop in the knee at the time of injury.2  Sudden instability in the knee. 3  Pain on the outside and back of the knee. 4  Knee swelling within the first few hours of the injury. 5  Limited knee movement because of swelling and/or pain.ther health problems can cause symptoms like those of an ACL injury. They include a bone break or injuries to the knee cushions (menisci) or to other ligaments in the knee. For more information on knee injuries, see: 1  Knee Problems and Injuries.