Power price in the Bt21 tariff in 2018:
| Net price for active electric energy (round-the-clock) [PLN/MWh] | 281,44 |
| Net settlement fee [PLN/month] | 730,00 |
Power price in the Bt21 tariff since 2019:
| Net price for active electric energy (round-the-clock) [PLN/MWh] | 470,22 |
| Net settlement fee [PLN/month] | 803,00 |