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Cost per Useful kW hr (£) | 0.0356 | 0.0431 | 0.0746 | 0.0376 | 0.0299 | 0.0353 | 0.0477 | 0.0470 | 0.0370 |
kg carbon emitted per useful kW hr | 0.05889 | 0.09487 | 0.07556 | 0.11169 | 0.00128 | 0.00588 | 0.13871 | 0.11300 | 0.11300 | | Mains Natural Gas | Heating Oil | LPG | Anthracite | Wood Logs | Wood Pellets | Bituminous Coal | Electricity | Economic Electric |
|
| Fuel | Cost per supplied kW hr | Appliance | Efficiency | Cost per Useful kW hr | kg carbon emitted per useful kW hr |
|---|
| Mains Natural Gas | 0.03200 | Condensing Boiler | 90% | £0.03556 | 0.05889 |
| | Standard Boiler | 78% | £0.04103 | 0.06795 |
| | Gas Fire | 35% | £0.09143 | 0.15143 |
| | LFE Fire | 25% | £0.12800 | 0.21200 |
| Heating Oil | 0.03364 | Oil Boiler | 78% | £0.04312 | 0.09487 |
| | Oil Stove | 70% | £0.04805 | 0.10571 |
| LPG | 0.06714 | Condensing Boiler | 90% | £0.07460 | 0.07556 |
| | Standard Boiler | 78% | £0.08608 | 0.08718 |
| | Gas Fire | 35% | £0.19184 | 0.19429 |
| | LFE Fire | 25% | £0.26857 | 0.27200 |
| Anthracite | 0.02894 | GF Boiler | 77% | £0.03758 | 0.11169 |
| | Stove | 72% | £0.04019 | 0.11944 |
| Wood Logs | 0.02335 | Boiler | 78% | £0.02993 | 0.00128 |
| | Stove | 72% | £0.03243 | 0.00139 |
| Wood Pellets | 0.02998 | Boiler | 85% | £0.03527 | 0.00588 |
| | Stove | 83% | £0.03612 | 0.00602 |
| Bituminous Coal | 0.02957 | Open Fire & Boiler | 62% | £0.04769 | 0.13871 |
| | Stove | 50% | £0.05914 | 0.17200 |
| | Open Fire | 25% | £0.11828 | 0.34400 |
| Electricity | 0.04700 | Direct | 100% | £0.04700 | 0.11300 |
| Economic Electric | 0.03700 | Direct | 100% | £0.03700 | 0.11300 |
| Usage | Energy kWhr | Type | Appliance | Fuel Cost per Year | Tons Carbon Emitted per Year |
|---|
| Small Flat | 4500 | Mains Natural Gas | Condensing Boiler | £160.00 | 0.26500 |
| Mains Natural Gas | Standard Boiler | £184.62 | 0.30577 |
| Mains Natural Gas | Gas Fire | £411.43 | 0.68143 |
| Mains Natural Gas | LFE Fire | £576.00 | 0.95400 |
| Heating Oil | Oil Boiler | £194.06 | 0.42692 |
| Heating Oil | Oil Stove | £216.23 | 0.47571 |
| LPG | Condensing Boiler | £335.71 | 0.34000 |
| LPG | Standard Boiler | £387.36 | 0.39231 |
| LPG | Gas Fire | £863.27 | 0.87429 |
| LPG | LFE Fire | £1,208.57 | 1.22400 |
| Anthracite | GF Boiler | £169.10 | 0.50260 |
| Anthracite | Stove | £180.84 | 0.53750 |
| Wood Logs | Boiler | £134.69 | 0.00577 |
| Wood Logs | Stove | £145.91 | 0.00625 |
| Wood Pellets | Boiler | £158.72 | 0.02647 |
| Wood Pellets | Stove | £162.55 | 0.02711 |
| Bituminous Coal | Open Fire & Boiler | £214.62 | 0.62419 |
| Bituminous Coal | Stove | £266.13 | 0.77400 |
| Bituminous Coal | Open Fire | £532.26 | 1.54800 |
| Electricity | Direct | £211.50 | 0.50850 |
| Economic Electric | Direct | £166.50 | 0.50850 |
| Usage | Energy kWhr | Type | Appliance | Fuel Cost per Year | Tons Carbon Emitted per Year |
|---|
| 2 Bed Home | 6900 | Mains Natural Gas | Condensing Boiler | £245.33 | 0.40633 |
| Mains Natural Gas | Standard Boiler | £283.08 | 0.46885 |
| Mains Natural Gas | Gas Fire | £630.86 | 1.04486 |
| Mains Natural Gas | LFE Fire | £883.20 | 1.46280 |
| Heating Oil | Oil Boiler | £297.55 | 0.65462 |
| Heating Oil | Oil Stove | £331.56 | 0.72943 |
| LPG | Condensing Boiler | £514.76 | 0.52133 |
| LPG | Standard Boiler | £593.96 | 0.60154 |
| LPG | Gas Fire | £1,323.67 | 1.34057 |
| LPG | LFE Fire | £1,853.14 | 1.87680 |
| Anthracite | GF Boiler | £259.29 | 0.77065 |
| Anthracite | Stove | £277.30 | 0.82417 |
| Wood Logs | Boiler | £206.52 | 0.00885 |
| Wood Logs | Stove | £223.74 | 0.00958 |
| Wood Pellets | Boiler | £243.37 | 0.04059 |
| Wood Pellets | Stove | £249.24 | 0.04157 |
| Bituminous Coal | Open Fire & Boiler | £329.08 | 0.95710 |
| Bituminous Coal | Stove | £408.06 | 1.18680 |
| Bituminous Coal | Open Fire | £816.13 | 2.37360 |
| Electricity | Direct | £324.30 | 0.77970 |
| Economic Electric | Direct | £255.30 | 0.77970 |
| Usage | Energy kWhr | Type | Appliance | Fuel Cost per Year | Tons Carbon Emitted per Year |
|---|
| 3 Bed Home | 9100 | Mains Natural Gas | Condensing Boiler | £323.56 | 0.53589 |
| Mains Natural Gas | Standard Boiler | £373.33 | 0.61833 |
| Mains Natural Gas | Gas Fire | £832.00 | 1.37800 |
| Mains Natural Gas | LFE Fire | £1,164.80 | 1.92920 |
| Heating Oil | Oil Boiler | £392.42 | 0.86333 |
| Heating Oil | Oil Stove | £437.27 | 0.96200 |
| LPG | Condensing Boiler | £678.89 | 0.68756 |
| LPG | Standard Boiler | £783.33 | 0.79333 |
| LPG | Gas Fire | £1,745.71 | 1.76800 |
| LPG | LFE Fire | £2,444.00 | 2.47520 |
| Anthracite | GF Boiler | £341.96 | 1.01636 |
| Anthracite | Stove | £365.71 | 1.08694 |
| Wood Logs | Boiler | £272.37 | 0.01167 |
| Wood Logs | Stove | £295.07 | 0.01264 |
| Wood Pellets | Boiler | £320.97 | 0.05353 |
| Wood Pellets | Stove | £328.70 | 0.05482 |
| Bituminous Coal | Open Fire & Boiler | £434.01 | 1.26226 |
| Bituminous Coal | Stove | £538.17 | 1.56520 |
| Bituminous Coal | Open Fire | £1,076.34 | 3.13040 |
| Electricity | Direct | £427.70 | 1.02830 |
| Economic Electric | Direct | £336.70 | 1.02830 |
| Usage | Energy kWhr | Type | Appliance | Fuel Cost per Year | Tons Carbon Emitted per Year |
|---|
| 4 Bed Home | 11500 | Mains Natural Gas | Condensing Boiler | £408.89 | 0.67722 |
| Mains Natural Gas | Standard Boiler | £471.79 | 0.78141 |
| Mains Natural Gas | Gas Fire | £1,051.43 | 1.74143 |
| Mains Natural Gas | LFE Fire | £1,472.00 | 2.43800 |
| Heating Oil | Oil Boiler | £495.92 | 1.09103 |
| Heating Oil | Oil Stove | £552.60 | 1.21571 |
| LPG | Condensing Boiler | £857.94 | 0.86889 |
| LPG | Standard Boiler | £989.93 | 1.00256 |
| LPG | Gas Fire | £2,206.12 | 2.23429 |
| LPG | LFE Fire | £3,088.57 | 3.12800 |
| Anthracite | GF Boiler | £432.15 | 1.28442 |
| Anthracite | Stove | £462.16 | 1.37361 |
| Wood Logs | Boiler | £344.21 | 0.01474 |
| Wood Logs | Stove | £372.89 | 0.01597 |
| Wood Pellets | Boiler | £405.62 | 0.06765 |
| Wood Pellets | Stove | £415.39 | 0.06928 |
| Bituminous Coal | Open Fire & Boiler | £548.47 | 1.59516 |
| Bituminous Coal | Stove | £680.11 | 1.97800 |
| Bituminous Coal | Open Fire | £1,360.22 | 3.95600 |
| Electricity | Direct | £540.50 | 1.29950 |
| Economic Electric | Direct | £425.50 | 1.29950 |
| Usage | Energy kWhr | Type | Appliance | Fuel Cost per Year | Tons Carbon Emitted per Year |
|---|
| Room Heating 3kW heater, 4 hours per day, 100 days | 1200 | Mains Natural Gas | Condensing Boiler | £42.67 | 0.07067 |
| Mains Natural Gas | Standard Boiler | £49.23 | 0.08154 |
| Mains Natural Gas | Gas Fire | £109.71 | 0.18171 |
| Mains Natural Gas | LFE Fire | £153.60 | 0.25440 |
| Heating Oil | Oil Boiler | £51.75 | 0.11385 |
| Heating Oil | Oil Stove | £57.66 | 0.12686 |
| LPG | Condensing Boiler | £89.52 | 0.09067 |
| LPG | Standard Boiler | £103.30 | 0.10462 |
| LPG | Gas Fire | £230.20 | 0.23314 |
| LPG | LFE Fire | £322.29 | 0.32640 |
| Anthracite | GF Boiler | £45.09 | 0.13403 |
| Anthracite | Stove | £48.23 | 0.14333 |
| Wood Logs | Boiler | £35.92 | 0.00154 |
| Wood Logs | Stove | £38.91 | 0.00167 |
| Wood Pellets | Boiler | £42.33 | 0.00706 |
| Wood Pellets | Stove | £43.35 | 0.00723 |
| Bituminous Coal | Open Fire & Boiler | £57.23 | 0.16645 |
| Bituminous Coal | Stove | £70.97 | 0.20640 |
| Bituminous Coal | Open Fire | £141.94 | 0.41280 |
| Electricity | Direct | £56.40 | 0.13560 |
| Economic Electric | Direct | £44.40 | 0.13560 |
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