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### 7. Representative Biomass CHP System Cost and Performance

sum of the biomass fuel cost, non-fuel O&M cost, and a capital recovery cost, all on a per kWh-generated The energy requirements and outputs for three sizes of stoker boiler systems from 100 to 900 tons/day are shown in . Table 7-3. The table provides biomass feedstock requirements, typical feedstock 25.0 . 20.0 . 15.0 . 10.0 . 5.0 . 0

### Lessons Learned from Existing Biomass Power Plants

Fuel cost is usually the dominant component, accounting for as much as 90% of the total. It is given by: CF = aF x (HS hW)/1000/η B where aF = fuel cost, (\$/MMBtu) HS = enthalpy of steam, Btu/lb hW= enthalpy of boiler feedwater, Btu/lb η B= overall boiler efficiency, fractional.

### STRAW-FIRED BOILERS AND HEATERS

LPG-ired boiler 20 000 PLN Investment cost: drying plant + silo + heater 880 000 PLN Cost of drying 1t of corn from 30% to 13% Heating oil 71,40 PLN/ton Straw (purchased) 10 PLN/ton Savings on drying 10 000 tons of corn with straw (one season) 600 000 PLN *with own straw **with purchased straw 4

### Wood-Fired Heating - Centre for Alternative Technology

Are biomass boiler costs justified? - SuperHomes

### 2. BOILERS - Bureau of Energy Efficiency

For an average sized house, a basic log boiler might cost about £3,000, while one with a higher standard of controls might be £6,000. A pellet-fired boiler could cost £9,000. For the total installed cost (including flue, accumulator tank, fuel store, etc), add maybe £12,000 to £15,000 to those boiler costs.

### Energy Cost Comparison Nottingham Energy Partnership

Different energy sources are measured in different units: litres, therms, BTU, kWh, units, cubic metres and many more. This makes it very difficult to compare the actual costs for powering a heating system between different energy sources. For this reason, standardised units and costs are needed. We have done these calculations for the main fuel