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Boiler MACT Energy
Assessments
Gene Taylor, P.E., C.M.,
Principal Consultant
Iowa Office
April 3, 2014
Energy Assessment Who & What
˃ Who is required to conduct EA?
 HAP major with existing boiler or process heater of any si...
˃ When is it required?
 Major sources (§63.7510(e)):
♦ Assessment and report due by:
♦ Compliance date – January 31, 2016...
˃ Someone who has demonstrated capabilities to evaluate
energy savings opportunities for steam generation and
major energy...
Energy Assessment – QEA How
˃ Visual inspection & testing of the
 Boiler/heater system (comb., DA, economizers, blowdown,...
Energy Assessment – QEA Report
˃ Comprehensive report detailing:
 List of major energy conservation measures (ECMs)
that ...
Efficiency Credits Option
˃ Option for meeting BMACT emission limits in
lieu of installing controls
˃ Only for existing un...
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Boiler MACT Energy Assessments; Taylor, Gene, Trinity Consultants, 2014 Mid-America Environmental Compliance Conference

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HAP, boiler, coal, biomas, ISO 50001, Qualified Energy Assessor, major source, area source, NOCS, notice of compliance status, thermal energy recovery, condensate recovery, ECMs, energy conservation measures,

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Boiler MACT Energy Assessments; Taylor, Gene, Trinity Consultants, 2014 Mid-America Environmental Compliance Conference

  1. 1. Boiler MACT Energy Assessments Gene Taylor, P.E., C.M., Principal Consultant Iowa Office April 3, 2014
  2. 2. Energy Assessment Who & What ˃ Who is required to conduct EA?  HAP major with existing boiler or process heater of any size & fuel that is not limited use (FEACF<10%)  HAP minor with existing coal, biomass, oil boiler >10 MMBtu/hr. that is not limited use (FEACF<10%)  Exempts facilities operating under ISO 50001 compatible EnMS, or post January 2008 EA, that includes affected units ˃ What is required?  Scope & duration determined by firing capacity ♦ Site Visit (8-24 hrs., not to exceed 160 hrs.)  Performed by Qualified Energy Assessor  No report submittal but submit NOCS by due date  Not required to implement any ECMs identified
  3. 3. ˃ When is it required?  Major sources (§63.7510(e)): ♦ Assessment and report due by: ♦ Compliance date – January 31, 2016  Area sources (§63.11196(a)(3)): ♦ Assessment and report due by: ♦ Compliance date – March 21, 2014 ˃ Submit certification of completion in Notice of Compliance Status (NOCS)  NOCS due: ♦ 60 days after performance test for Major Sources ♦ 60 days after perfor. test for Area Sources, if no perfor. test required 120 days after compliance date (7/19/2014) Energy Assessment - When
  4. 4. ˃ Someone who has demonstrated capabilities to evaluate energy savings opportunities for steam generation and major energy using systems, including, but not limited to:  Boiler combustion management  Boiler thermal energy recovery, including ♦ Conventional feed water economizer, ♦ Conventional combustion air preheater, and ♦ Condensing economizer.  Boiler blowdown thermal energy recovery  Primary energy resource selection, including ♦ Fuel (primary energy source) switching, and ♦ Applied steam energy versus direct-fired energy versus electricity  Insulation issues  Steam trap and steam leak management  Condensate recovery  Steam end-use management Qualified Energy Assessor
  5. 5. Energy Assessment – QEA How ˃ Visual inspection & testing of the  Boiler/heater system (comb., DA, economizers, blowdown, etc.)  Steam distribution system (piping, steam traps, insulation)  Condensate return system (piping, insulation)  End use systems (insulation, leaks, direct injection, efficiency) ˃ Evaluation of operating characteristics of boiler/heater systems, energy use systems, O & M procedures, and unusual operating constraints ˃ Review of available architectural and engineering plans, facility operation and maintenance procedures and logs, and fuel usage
  6. 6. Energy Assessment – QEA Report ˃ Comprehensive report detailing:  List of major energy conservation measures (ECMs) that are within the facility’s control  List of the energy savings potential of the ECMs identified ♦ How many Btu’s am I going to save? ♦ How much $$ are those Btu’s worth?  Cost of specific improvements, benefits, and the simple payback for recouping those investments
  7. 7. Efficiency Credits Option ˃ Option for meeting BMACT emission limits in lieu of installing controls ˃ Only for existing units at major sources ˃ Take credit for equivalent emissions reduction from implementing ECMs identified in EA to comply with emission limits ˃ Must elect to comply with output-based emission limits

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