6.8 Cost of CHP: Engineering and Installation Costs
This section covers important rules-of-thumb and a variety of other important information that you need to consider when quickly assessing a project.
6.8.1 Site Feasibility Screening
Consider CHP if Spark Spread is greater than 3 or if electric demand charges are high and the facility has a decent use for the waste heat. See Spark Spreads in figure 6-3.
6.8.2 General Equipment and Maintenance Costing
Guidelines for equipment costing are shown in Table 6-2.