A pivoting solar panel device for an ISO cargo container preferably includes a base frame, at least two solar panel support frames and a plurality of solar panels. The plurality of solar panels are attached to the at least two solar panel support plates. The at least two solar panel support frames are attached to the base frame. The base frame preferably includes four structural angle members, four web truss members, four corner post toes and aplurality of web truss cross members. The pivoting solar panel support frame preferably includes a support plate, a hinge and a jacking device. A horizontal solar panel support frame preferably includes lengthwise and cross panel truss members and a support plate. An angled solar panel support frame preferably includes angled lengthwise and cross panel truss members and the support plate.