RGS Energy 89.84 Rating Score™ Other Of 158 ratings/reviews posted on 4 verified review sites, RGS Energy has an average rating of 4.48 stars. This earns a Rating Score™ of 89.84. View Profile & Reviews 01/16/2018 Verified RGS did an amazing job. 100% problem free install and now 7 years in still performing over estimates without a problem. Their value, financial and knowledge based, was invaluable to us.