The average electricity rate for Washington-St Tammany E C, Inc customers is 9.62 cents/kWh. Washington-St Tammany E C, Inc has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| Residential Electric Service | Fixed | 10¢ to 11¢ |
In 2021, the average Washington-St Tammany E C, Inc customer lost electricity for 6 times for about 1304 minutes each. In total, the average Washington-St Tammany E C, Inc customer had their electricity out for about 7546 minutes during the whole year.
Energy exported to the grid, measured instantaneously, will be credited at the utility's avoided cost rate (Net Billing). Existing net metering customers are grandfathered for 15 years and will receive credit at full retail rates.