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Local Government Case Study –
Fairfax County
Jennifer L. Gorter, PE, CEMFairfax County GovernmentFacilities Management Department (FMD)
July 11, 2008
Facilities Management Department
• Facilities Management Department (FMD) is responsible for managing 170+ facilities
• Operate and maintain 8 million gross SF• Pay utilities for 6 million gross SF
Note: This does not include facilities operated by Parks, Schools, Housing or Public Works
FMD also manages annual utility costs of approximately $10 million (and rising!)
Energy Goal was established in FY2001 – to reduce energy consumption and energy costs
Where We Began
• Baseline usage established
• Installed Energy Management Control Systems (EMCS) in existing buildings
• Made EMCS standard for new buildings
• Review new building designs
• Cost management
• Picked “low hanging fruit” using ESCO
Completed Energy Projects
• Public Safety Complex Meter Totalization• Lighting retrofit in facilities
– T-12 lamps consume 40W each– T-8 lamps consume 32W each– Reduced 4 lamps to 3 per fixture for additional watts
reduction, overall light output remains the same
• Lighting and Variable Frequency Drive retrofit at the Government Center Complex
Government Center Complex Energy Project Results
calendar year energy cost energy usage (kBtu) $/kBtu2005 $1,618,417.53 103,615,608 $0.015622006 $1,625,827.53 98,381,255 $0.01653
Energy project use reduction 5.05%Energy project cost reduction -0.46%Cost avoidance in 2006 $ $86,501.80Cost avoidance in 2007 $ $90,554.31
$177,056.10Two Year Total Cost Avoidance
ResultsTotal energy consumption
500,000,000
505,000,000
510,000,000
515,000,000
520,000,000
525,000,000
530,000,000
535,000,000
540,000,000
2001
2002
2003
2004
2005
2006
2007
kBtu
ResultsConsumption/gross SF
9092949698
100102104106108110
2001
2002
2003
2004
2005
2006
2007
kBtu/SF
Historical Electric Costs
$0.045
$0.050
$0.055
$0.060
$0.065
$0.070
$0.075
$0.080
$0.085
electric
Historical Gas costs
Flo
yd Is
ab
el
Katr
ina
$0.40
$0.60
$0.80
$1.00
$1.20
$1.40
$1.60
natural gas
Results• Even when consumption decreases,
expenditures continue increasing
480,000,000
500,000,000
520,000,000
540,000,000
560,000,000
580,000,000
600,000,000
2001
2002
2003
2004
2005
2006
2007
Est 2
008
Est 2
009
$0$2,000,000$4,000,000$6,000,000$8,000,000$10,000,000$12,000,000$14,000,000$16,000,000
kBtu $
Energy Benchmarking
$0.0
$0.5
$1.0
$1.5
$2.0
$2.5
$3.0
2005
Actual
2006
Actual
2007
Actual
2008
Estimate
2009
Estimate
109.0
110.0
111.0
112.0
113.0
114.0
115.0
116.0
117.0
118.0
119.0
Utility Cost/SF BOMA cost/SF kbtu/SF
ResultsConsumption and cost savings per year
460,000,000
480,000,000
500,000,000
520,000,000
540,000,000
560,000,000
580,000,000
600,000,000
baseline
actual
Total cost avoidance since 2001 exceeds $4 million
Results
• FMD’s Goal was 10% kBtu/SF reduction over 10 years (average 1%/ year)
• Between FY01-FY07, total kBtu/SF was reduced by 11.1%, which is 1.85% average reduction per year.
Where we are now
• Budget constraints = no funds for energy projects
• Past Capital Renewal budget requests have made primarily based on maintenance needs.
• Budget constraints = less funds for Capital Renewal
New Capital Renewal budget request priorities =
High energy user + High maintenance
Capital Renewal Combined with Energy Saving Strategies
John Marshall Library HVAC renovation resulted in 28.8% energy consumption savings
0
50,000
100,000
150,000
200,000
250,000
300,000
350,000
AprM
ayJ un J ul
AugSep
Oct
Nov
DecJ an Feb M
ar
Before
After
The Good, the Bad and the Ugly
• The Ugly - Limited Resources means it will take longer to implement energy saving opportunities
»Money»Staffing»Time
• The Bad – no additional project resources for the next several years
• The Good - FY2009 budget establishes one full time staff position as Countywide Energy Coordinator
Where We Are Going
• Develop new reduction goals
• Prioritize projects to meet multiple needs and limited funding
• Other possibilities available– Evaluate renewable energy technologies– Demand side management– Work with code officials and engineers– Commissioning and Re-Commissioning
Contact Information
Jennifer L. Gorter, PE, CEMFairfax County GovernmentFacilities Management Department
Projects, Engineering, & Energy
12000 Government Center Parkway
Suite 424
Fairfax, VA 22035
703-324-2808
