Large General Service (GS-3). The GS-3 rate applies to customers with metered demand greater than 500 kW during six or more monthly billing periods in the prior calendar year, and not greater than 1,000 kW in six or more separate monthly billing periods in the prior calendar year.

Medium General Service (GS-2). The GS-2 rate applies to customers with metered monthly energy usage greater than 8,000 kWh or with metered demand greater than 20 kW during six or more monthly billing periods in the prior calendar year, and not greater than 500 kW in six or more separate monthly billing periods in the prior calendar year.

Small General Service (GS-1). The GS-1 rate applies to service to customers with metered monthly energy usage less than 8,000 kWh and with metered demand not exceeding 20 kW in a monthly billing period for six or more separate monthly billing periods in the prior calendar year.