The Connecticut OCC published an update to its comparison of electric supplier rates and Standard Service

OCC said:

• In the month of August 2017, over five out of ten residential supplier customers paid more than the Standard Offer in Eversource territory, and eight out of ten residential supplier customers paid more than the Standard Offer in UI territory

• In the month of August 2017, residential Eversource customers who chose suppliers paid in aggregate $2,747,852.36 more than the Standard Offer for their electric generation, and residential UI customers who chose suppliers paid in aggregate $1,509,580.77 more than the Standard Offer

• For the rolling year of September 2016 through August 2017, residential consumers who chose a retail supplier paid, in aggregate, $60,624,187.28 more than the Standard Offer

See OCC's full comparison here, which includes a break-out for each supplier listing the % of customers paying over a benchmark that's higher than the default service rate