Status Quo | Choose Current Fuel | ||||||
---|---|---|---|---|---|---|---|

Current Annual Spend on Heating | £ | Boiler Size | |||||

Fuel Cost per kWh | pence | ||||||

A perfect System Would Produce Annually | kWh | Year's worth of Fuel | |||||

Current System Efficiency | % | ||||||

Therefore Actual Buildings Heat Demand | kWh | Current System Efficiency | |||||

Spend Actually Heating Buildings | £ | % | |||||

New System Efficiency | |||||||

Biomass Boiler Data & Benefits | Woodchip Cost/Tonne | ||||||

£ |
|||||||

Fuel Type | Woodpellet Cost/Tonne | ||||||

Recommended Boiler Size 1 | kW | £ |
|||||

New System Efficiency 2 | % | Oil Cost per Litre | |||||

Annual Heat Output of Biomass Boiler Needed 3 | kWh | ||||||

Annual Boiler Full Load Running Hours | hrs | LPG Cost per Litre | |||||

kWh/t | |||||||

Annual Fuel Required | Tonnes | Gas Cost per kWh | |||||

Annual Fuel Cost | £ | ||||||

Annual Fuel Cost Saving by Switching | Annual Maintenance | ||||||

Tier 1 Rate | p/kW | RPI Assumed | |||||

Tier 2 Rate | p/kW | ||||||

Tier Break | kWh | Project Cost | |||||

£ |
|||||||

First Year Total RHI Tier 1 income | £ | Current RHI Rates | |||||

First Year Total RHI Tier 2 income | £ | 0 - 199kW | |||||

TOTAL YEAR 1 RHI INCOME | £ | Tier 1 pence | Tier 2 pence | ||||

4.40 | 1.17 | ||||||

200 - 999kW | |||||||

Annual CRC benefit £16.40 | £ | Tier 1 pence | Tier 2 pence | ||||

5.18 | 2.24 | ||||||

>999kW | |||||||

Capital Cost of Project | £ | Tier 1 pence | Tier 2 pence | ||||

First Years RHI Income and Savings | £ | 2.24 | 2.24 | ||||

Payback Period | Years | Wood Chip | 3200 | ||||

Total Gain over 20 years | £ | Wood Pellet | 4800 |

Notes - LPG 6.9 kWh/ltr - Oil 10 kWh/ltr - Gas 1:1

1 This is based on keeping the Full Load Running Hours as close to 2600 as possible

2 This includes any district heating pipework, heat exchangers etc

3 This is what is needed to put the same heat energy into the buildings as before

Fossil Fuel Price Increase Assumed at

Pellet/Woodchip Price Increase Assumed at

RHI Income | Current Fuel Price Indexed at | % | ||||
---|---|---|---|---|---|---|

Year | RHI Revenue Stream Per Year | Projected Maintenance costs PA | Cumulative Maintenance Costs | Difference | ||

year 1 | £ | £ | £ | £ | £ | £ |

year 2 | £ | £ | £ | £ | £ | £ |

year 3 | £ | £ | £ | £ | £ | £ |

year 4 | £ | £ | £ | £ | £ | £ |

year 5 | £ | £ | £ | £ | £ | £ |

year 6 | £ | £ | £ | £ | £ | £ |

year 7 | £ | £ | £ | £ | £ | £ |

year 8 | £ | £ | £ | £ | £ | £ |

year 9 | £ | £ | £ | £ | £ | £ |

year 10 | £ | £ | £ | £ | £ | £ |

year 11 | £ | £ | £ | £ | £ | £ |

year 12 | £ | £ | £ | £ | £ | £ |

year 13 | £ | £ | £ | £ | £ | £ |

year 14 | £ | £ | £ | £ | £ | £ |

year 15 | £ | £ | £ | £ | £ | £ |

year 16 | £ | £ | £ | £ | £ | £ |

year 17 | £ | £ | £ | £ | £ | £ |

year 18 | £ | £ | £ | £ | £ | £ |

year 19 | £ | £ | £ | £ | £ | £ |

year 20 | £ | £ | £ | £ | £ | £ |

Total RHI revenue | £ |
CRC Savings over 20 Years | £ | £ | Total fuel differential cost | £ |

Total Income & Savings | £ | |||||

Less Capital Cost | £ | |||||

Total Gain over 20 Years | £ |