| Business | Annual usage | Unit price per kWh | Daily standing charge | Cost per year |
| Micro Business | 5,000 to 15,000 kWh | 29.5p | 30.00p | £3,139 (based on annual usage of 10,000kWh) |
| Small Business | 15,000 to 25,000 kWh | 29.3p | 30.00p | £6,860 (based on annual usage of 22,500kWh) |
| Medium Business | 25,000 to 55,000 kWh | 27.0p | 30.00p | £13,641 (based on annual usage of 47,500kWh) |
| Large Business | More than 55,000 kWh | 25.0p | 30.00p | £16,238 (based on annual usage of 55,000kWh) |
| Business size | Annual usage | Price per kWh | Standing charge | Avg. annual cost |
| Micro Business | 5,000 to 15,000 | 10.1p | 30.00p | £1,181 (based on annual usage of 10,000kWh) |
| Small Business | 15,000 to 30,000 | 9.6p | 30.00p | £2,375 (based on annual usage of 22,500kWh) |
| Medium Business | 30,000 - 65,000 | 8.7p | 30.00p | £5,289 (based on annual usage of 47,500kWh) |
| Large Business | 65,000 + | 8.1p | 30.00p | £7,488 (based on annual usage of 65,000kWh) |