2.5.4. Energy Savings Summary
The above analysis clearly defines the nature of the energy consumption problem in typical
courthouses and provides a basis for making energy efficiency improvements while meeting
the strict quality criteria at the same time. To summarize the national energy savings
potential an estimate is provided in Table 7.
Table 7. Summary of the Impacts of the Energy Conservation Measures
Unit Savings /
Unit Cost
O&M Cost
Description of Energy
Energy Metric Year (Kilowatt- Savings ($/year)
Decrease
Conservation Measure
hours)
Current Dollars
($/year)
(1) Replace incandescent
downlights with pin-based
compact fluorescent lamps and
electronic ballasts, and
Electric
13,328,837
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,066,307
2,824
(2) Replace non-dimmed
consumption
kWh
Standard T8 fluorescent with High
Performance T8 fluorescent
systems.
NOTES: (1) Typical courtroom size is 2,160 square feet, based on average of typical courtroom sizes
noted in the 1997 U.S. Courts Design Guide, (2) Number of courtrooms in the U.S is 2,158, per
telephone conversation with Fred Miller, GSA, 2/24/06, (3) Courtrooms usage is estimated at 9 hours
per day, 5 days per week, (4) Typical power density savings is 1.22 Watts per square foot, (5)
Average Federal kWh cost is applied at
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.08, (6) O&M cost is based on typical retrofits of standardT8 to High Performance T8 and incandescent PAR lamp to Triple tube CFL.
March 2006
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