chp intergration
DESCRIPTION
CHPTRANSCRIPT
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1System Integration of CHPinto
Project Infrastructures
Frank E. DiCola P.E.DCO Energy LLC
West Atlantic City, N.J
Combined Heat and Power Seminar
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2Combined Heat and Power Seminar
Unit Sizing/Plant Configuration
Load Profile Analysis
Utility Interfaces
Construction Issues
Environmental Issue
12.4 Kv to
Customer
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3Combined Heat and Power Seminar
Is CHP the Right Application?
Key Issues
Load Profile
Configuration
Unit size
Cost
Operating Efficiency
Prime Mover Generator
Heat Exchanger
Steam
Chilled water
Hot Water
Steam Turbine
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4Combined Heat and Power Seminar Load Profile Large Commercial
Electric Load Profile
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2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
Dec-99 Jan-00 Mar-00 May-00 Jun-00 Aug-00 Oct-00 Nov-00 Jan-01
Month
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Min Kw
Avg kw
Thermal #/Hr
5,000
15,000
25,000
35,000
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5Combined Heat and Power Seminar Load Profile- Small Industrial
Electric Load Profile
3,000
3,500
4,000
4,500
5,000
5,500
Dec-99 Jan-00 Mar-00 May-00 Jun-00 Aug-00 Oct-00 Nov-00 Jan-01
Month
K
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Max KwMin KwAvg kw
Thermal#/hr
5,000
20,000
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6Combined Heat and Power Seminar Configuration Analysis - Electric
Proposed Generation size = 5,528 kw
Hours < Generator 3,049 Average kw 3,404 Kwh 10,380,409 Max kw 5,507 Min Kw 2,650
Hours>generator 5,711 Average kw 6,735 Kwh 38,461,398 Max kw 8,801 Min Kw 5,530
Peak Load 8,801 Average Load 5,582 Min Load 2,650 Kwh 48,760,105
Customer Load Profile
Gen produce 16,856,254 less outage 1,105,158 Net gen 15,751,096 Peak Kw 2,878 Average Kw 2,124 KWH (*) 5,370,687
Export Kw
Gen produce 31,569,026 Peak Kw 3,273 Average Kw 1,207 KWH 6,892,372
Import Kw
(*) less Outage hrs
Customer Required 48,760,105
Generated 47,238,420 Imported 6,892,372 Exported (5,370,687) Total 48,760,105
Net -
Electric Balance
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7Combined Heat and Power Seminar Configuration Analysis - Thermal
Thermal Ratio
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140,000
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Steam Flow (lbs/hr) Electric Kw Thermal Ratio
Annual Thermal Ratio = 2.96
Thermal to Electric Ratio System Configuration 3-20 Steam Turbines 1-10 Gas Turbines
.5 -1.5 Gas Engines
Thermal Electric Ratio (TER)
Average Steam Flow times 1000
Average kw demand times 3412
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8Combined Heat and Power Seminar CHP Screening Model
OPERATING PARAMETERS
Unit Size (Gross Kilowatts) 4,305Unit Size (Kilowatts- Net) 4,100Heat Rate (btu/khw) 13,000Availabilty Factor 95.00%Load Factor 100.00%
FINANCING PARAMTERS
Debt 80.00%Interest Rate 8.25%Equity 20.00%Equity Rate 20.00%Term Years 20
Operating Hrs 8,322Backup Hrs 438
ELECTIC BACKUP Backup Power Cost ($/KWH $0.120STEAM COST - CUSTOMERS USAGE$/MLB - Avoided Cost $4.00Process MLB Requied 33,288STEAM COST - COGENERATION PLANTCHP produced (Lbs/hr) 4,000Cogen MLB Produced 33,288
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9Combined Heat and Power Seminar CHP Screening Model
Fuel Cost Unit Size Net KWH Backup Capital Cost ($/kw)$/Mmbtu Kw Produced KW $700 $800 $900 $1,000 $1,100
4,100 34,120,200 1,795,800 2,870,000 3,280,000 3,690,000 4,100,000 4,510,000$3.00 $0.064 $0.066 $0.067 $0.069 $0.070$3.25 $0.068 $0.069 $0.071 $0.072 $0.073$3.35 $0.069 $0.070 $0.072 $0.073 $0.075$3.45 $0.070 $0.072 $0.073 $0.075 $0.076$3.55 $0.071 $0.073 $0.074 $0.076 $0.077$3.65 $0.073 $0.074 $0.076 $0.077 $0.079$3.75 $0.074 $0.076 $0.077 $0.078 $0.080$3.85 $0.075 $0.077 $0.078 $0.080 $0.081$3.95 $0.077 $0.078 $0.080 $0.081 $0.083$4.05 $0.078 $0.079 $0.081 $0.082 $0.084
Capacity Recovery Cost ($/kw/yr) 85.61 97.84 110.08 122.31 134.54 Fixed Cost Recovery Cost ($/kw/yr) 21.95 21.95 21.95 21.95 21.95 O&M Cost ($/kWH) 0.010 0.010 0.010 0.010 0.010 Standby Power ($/kw) 0.120 0.120 0.120 0.120 0.120 Annual Cost (Less Energy)
Capital Recovery 351,018 401,163 451,309 501,454 551,600 Fixed Cost Recovery 90,000 90,000 90,000 90,000 90,000 O&M Cost 341,202 341,202 341,202 341,202 341,202 Standby Power 215,496 215,496 215,496 215,496 215,496 Steam Credit (133,152) (133,152) (133,152) (133,152) (133,152) Peak Cooling Credit - - - - -
Total 864,564 914,709 964,855 1,015,000 1,065,146
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10
Combined Heat and Power Seminar Utility Interfaces
Electric
Interconnections!!!!
Back Up Cost
Gas
Type of Service
Gas Pressure!!!
Water/Sewer
Connection Charges
Quantities
Types
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11
Combined Heat and Power Seminar Construction Issues
Location
DCA Approval
Retrofit vs. Green Field
Building vs. No Building
Electrical Tie-ins
Mechanical Tie-ins
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12
Combined Heat and Power Seminar Environmental Issues
Land Usage
Permitted use ?
Zoning vs. Planning Board
Air Emissions
Impact on Existing Permits
Major vs. Minor Source
Emission Treatments
SOTA
Low Nox Burners
SCR/CO
Waste Discharge
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13
Combined Heat and Power Seminar Economic Analysis Avoided Cost
3,000
4,000
5,000
6,000
7,000
8,000
9,000
2002 2004 2006 2008 2010 2012 2014 2016 2018 2020
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Energy Cost w/ CHP
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14
Combined Heat and Power Seminar Economic Analysis Pay Back
Simple Pay Back Analysis
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Pay back = 5 yearsInstalled Cost = $ 1,950,000
Cumulative Savings Curve
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15
Combined Heat and Power Seminar The Project Success
Combined Heat and Power SeminarCombined Heat and Power SeminarCombined Heat and Power SeminarCombined Heat and Power SeminarLoad Profile Large CommercialCombined Heat and Power SeminarLoad Profile- Small IndustrialSlide Number 6Slide Number 7Slide Number 8Slide Number 9Combined Heat and Power SeminarUtility InterfacesCombined Heat and Power SeminarConstruction IssuesCombined Heat and Power SeminarEnvironmental IssuesCombined Heat and Power SeminarEconomic Analysis Avoided CostCombined Heat and Power SeminarEconomic Analysis Pay BackCombined Heat and Power SeminarThe Project Success