What it costs: CHP (combined heat and power systems) | Features

Specification options
Combined Heat and Power systems	Capital cost (£/kW)	Net present valuefor 60 years (£/kW)	Expected life (years)
Micro-CHP reciprocating engine gas fuel, output (%3C15kW)	3,290	19,250	05-Jun
Including cost savings	3,290	7,580	听
CHP reciprocating engine gas fuel, output 110kW	890	12,290	Oct-20
Including cost savings	890	9,110	听
CHP gas turbine output 100kW	900	11,600	Oct-15
Including cost savings	900	9,040	听
Table notes: All wattage is of electricity, exclusive of heat generation. Net present values are calculated with a discount rate of 3%. Costs are averages and include: condition-based maintenance by remote monitoring; secondary boiler with a nominal 20-year life; maintenance and servicing. Gas and electricity costs are at current values. CHP operates at 5,000 hours a year. Life-cycle costs with cost savings are based on a comparison with a gas fired boiler system for thermal energy and all electricity bought in. This is a simplified analysis based on constant loads and outputs. A cost analysis based on project-specific information is essential for a best value appraisal. BLP provides latent defect warranties for buildings (www.blpinsurance.com). For durability information contact: peter.mayer@blpinsurance.com or telephone 020-7204 2450

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