Powergen, eastern England.
Converted to U.S. currency at £1 = $1.90

Day rate:
First 222 kW/h per qtr. 29.3 cents/unit
Remaining day kW/h per qtr. 18.1 cents/unit

Night rate (midnight - 7 a.m. in winter):
7.64 cents/unit

All plus 5% tax, but no other service fees, standing charges, etc.