Residential Electric Rates By State JAN 2011 Most Expensive Electric Prices [Cents per kilowatthour] [Deregulated, yes or no] 1. Hawaii – 30.13 (no) 2. Connecticut – 18.03 (yes) 3. New York – 17.40 (yes) 4. Alaska – 16.61 (no) 5. New Hampshire – 16.34 (yes) 6. Rhode Island – 16.21 (yes) 7. New Jersey – […]