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 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.