IECM 12.0 beta User Manual > Modules Included with the IECM > Pulverized Coal (PC) Plant > GET RESULTS > Base Plant > 1. Boiler >

O&M Cost

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This is a standard O&M cost result screen. The variable O&M Costs are based on the variable costs for fuel, water consumption and bottom ash disposal (from the furnace). The base plant includes the following variable cost components:

•Fuel: The total cost of as-fired fuel. Minemouth cost, coal cleaning costs and transportation costs are all included.

•Water: The total cost of water consumed by the base plant for direct or reheat use.

•Disposal: The total cost of bottom ash disposal. The value is given on a wet ash basis. This does not consider by-product ash sold in commerce.

•Hydrated Lime: The total cost of hydrated lime for SO3 removal. Hydrated lime is injected for flue gas treatment at the inlet of the air preheater to remove SO3.

•Internal Electricity Cost: Power consumed by abatement technologies result in lower net power produced and lost revenue. The IECM charges each technology for the internal use of electricity and treats the charge as a credit for the base plant. When comparing individual components of the plant, these utility charges are taken into consideration. For total plant costs they balance out and have no net effect on the plant O&M costs.