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- Background
- DFW Airport
- Weather Environment
- Utilities Environment
- Energy Consumption
- Emissions & Energy Challenges
- Response to Challenges
- Recognition of Achievements
- Summary
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- Dallas/Fort Worth International Airport
- Owners: Cities of Dallas & Fort Worth
- Constructed: 1969 to 1973
- Size: 29.8 Square Miles (18,076 acres)
- Runways: 7
- Control Towers: 3
- Passenger Terminals: 4
- Boarding Gates: 132
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- Operational Statistics (Annual)
- Passengers Served: 60,000,000
- Aircraft Operations: 800,000
- Cargo Tonnage: 900,000 tons
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- Utilities Environment
- Deregulated Electric Market (Jan. 2002)
- Electric Distribution Grid
- Owned & Operated by Local Distribution Co.
- Multiple onsite distribution substations (redundant)
- Multiple distribution feeders (redundant feeds to critical facilities)
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- Utilities Environment (cont.)
- Natural Gas Distribution System
- Owned & Operated by Local Distribution Co.
- Multiple regulator stations (redundant)
- Potable Water System
- Owned & Operated by DFW Airport
- Multiple pump stations (redundant)
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- Energy Consumption
- Electricity
- ~200 Accounts
- 129,000,000 kWh / yr.
- 250,000,000 kWh / yr. by 2006
- Natural Gas
- ~20 Accounts
- 330,000 MCF / yr.
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- 1998 - DFW Airport approves a $2.6 billion Capital Development Program
- 1.9 million sq.ft. International Terminal
- New Automated People Mover (SkyLink)
- New Grand Hyatt Hotel
- 1999 - Texas signs into law a bill to deregulate the electric utility
industry
- 2001 - Texas Commission on Environmental Quality initiates a plan to
reduce air emissions
- DFW Airport is required to reduce NOx emissions by 70%
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- 2001 - Texas Legislature Enacts Senate Bill 5 (Texas Emissions Reduction
Plan)
- Undertake all cost effective energy efficiency projects on existing
facilities that will result in a reduction in use of electricity.
- Establish a goal of reducing electric consumption by 5% a year for 5
years starting in 2002.
- Report annually to Texas State Energy Conservation Office on results
achieved.
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- CUP Upgrade Project ($122 million)
- Chiller Replacement
- Remove existing equipment (22,000 tons)
- Install 6 - 5,500 ton electric drive centrifugal chillers (33,000 tons)
- Boiler Replacement
- Remove existing equipment - 405,000 lbs/hr (~100 PPM NOx)
- Install 5 new boilers - 222,000 lbs/hr @ 125 psig (~9 PPM NOx)
- 86% Reductions in Air Emissions
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- CUP Upgrade Project (cont.)
- Install Thermal Energy Storage Tank
- 56’ tall & 138’ diameter
- 6 million gallons
- 90,000 ton-hours
- Ability to shift a minimum of 5 MW off-peak
- Install Centralized Pre-Conditioned Air System
- 12,000 tons Cooling
- 51 MMBtu Heating
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- CUP Upgrade Project (cont.)
- Electric Power
- Primary POD (redundant)
- UPS & Fuel Cell Generator for DCS & Critical Load Backup
- Natural Gas
- Dual Feed (redundant)
- Utilizes Jet Fuel as a Backup
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- CUP Upgrade Project (cont.)
- Distributed Control System ($12 million)
- Open Architecture
- Central Database
- Integrated with Terminal Facilities Energy Management System
- Advanced Graphics/Trending/Historian
- Automatic Report Generation
- Plant Status/Alarms
- Automated Billing System
- Expandable and Self Diagnostic
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- CUP Upgrade Project (cont.)
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- Terminal B - 675,000 sq.ft., 27 Gates
- DOE Funded - Rebuild America Project
- Partnered with Texas A&M University’s Energy Systems Laboratory
(TAMU - ESL)
- Conducted an 18 month Energy Assessment
- Recommendations
- Lighting Retrofit - Including auto-dimming ballast & motion sensors
- Replacing and integrating EMCS
- Jetway RTU Controls Upgrade
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- Terminal B (con’t)
- Estimated Results
- kWh Savings - 4.3 million / yr........ (17%)
- Demand (kW) Savings - 3,215 / yr........
- Simple Payback - 5.5 / yr........
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- Rental Car Facility - 130,000 sq.ft.
- DOE Funded Project
- Partnered with Texas A&M University’s Energy Systems Laboratory
(TAMU - ESL)
- Conducted Energy Assessment
- Recommendations
- Re-calibrate all HVAC sensors
- Re-Program EMCS to include night-time setbacks
- Implement Continuous Commissioning Plan
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- Rental Car Facility (con’t)
- Estimated Results
- kWh Savings - 1 million / yr........ (11%)
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- Other Projects
- N. & S. Vehicle Traffic Control Plaza
- HVAC Rehabilitation Project
- Reduced energy consumption by 9%
- Human Resource Building - 12,550 sq.ft.
- HVAC Rehabilitation Project
- Reduced energy consumption by 24%
- East Side Chiller Plant
- Installed new 300 ton centrifugal chiller with a VFD
- Reduced energy consumption by 25%
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- 2003 Association of Energy Engineers presented DFW with the:
- Corporate Energy Management Award
- 2004 The State Energy Conservation Office and The Texas Energy
Partnership Recognized DFW for:
- Outstanding Achievement in Energy
- Efficiency and Air Quality Improvement
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Notes