RGS Energy 87.8 Rating Score™ Other Of 155 ratings/reviews posted on 4 verified review sites, RGS Energy has an average rating of 4.5 stars. This earns a Rating Score™ of 87.8. View Profile & Reviews 07/26/2017 Verified From my first inquiry through the installation, Real Goods Solar provided friendly, informative and timely service. I was very impressed with the level of detail provided as well as the quality of the work. Our system has worked flawlessly.