Energy Cost Comparison – January 2020
| Fuel | Fuel price (p per unit) | Unit | Pence per kWh (after boiler efficiency) | Energy content (kWh per unit) | CO2e emissions per kWh* |
|---|---|---|---|---|---|
| Electricity Standard Rate1 | 20.59 | kWh | 20.59 (100%) | 1 | 0.316 |
| Electricity Online Rate1 | 20.78 | kWh | 20.78 (100%) | 1 | 0.316 |
| Mains Gas Standard Rate2 | 4.02 | kWh | 4.47 (90%) | 1 | 0.208 |
| Mains Gas Online Rate2 | 4.28 | kWh | 4.75 (90%) | 1 | 0.208 |
| Kerosene3 | 44.78 | Litre | 5.08 (90%) | 9.8 | 0.298 |
| Gas oil4 | 60.76 | Litre | 6.49 (90%) | 10.4 | 0.316 |
| LPG5 | 43.62 | Litre | 7.28 (90%) | 6.66 | 0.241 |
| Butane6 | 167.99 | Litre | 23.42 (90%) | 7.97 | 0.241 |
| Propane7 | 74.24 | Litre | 11.67 (90%) | 7.07 | 0.241 |
| Seasoned Wood8 | 23.76 | Kg | 6.66 (85%) | 4.20 | 0.028 |
| Pellets9 | 26.39 | Kg | 6.21 (90%) | 4.72 | 0.053 |
| Smokeless fuel10 | 43.10 | Kg | 8.52 (75%) | 6.7 | 0.394 |
| Coal10 | 31.72 | Kg | 6.18 (75%) | 6.85 | 0.394 |
| GSHP11 | 20.59 | kWh | 5.88 (350%) | 1 | 0.090 |
| ASHP11 | 20.78 | kWh | 7.70 (270%) | 1 | 0.117 |