when emergency preparedness yields energy savings combined heat & power in hospitals
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Keeping the Lights on at Hospitals:
Combined Heat and Power Provides
Resilience and Saves Money Memphis Sustainability Summit
Jennifer Kefer 202-365-2194
http://www.dgardiner.com/alliance.htm
@AllIndEff
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Conventional Power Generation
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Reliability
• Mississippi Baptist
Medical Center
(Jackson, MS) –
Hurricane Katrina
• Danbury Hospital
(Danbury, CT) –
Superstorm Sandy
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Economic Benefits – TECO
(Houston) • 48 MW natural gas
system
• Combustion turbines
• Installed 1980, updated 2010
• 1,000 jobs in recent construction
• $200 million savings/
15 years
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Current CHP Projects
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Current CHP Projects
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CHP in Tennessee (500 MW)
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Tennessee CHP Potential (2,886 MW)
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Cap
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W)
CHP Potential by Application
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Tennessee CHP Potential
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National CHP Potential
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Remaining Potential for CHP (National)
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CHP Capacity - Hospitals
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• Among most energy-
intensive buildings in U.S.
• Consumes > 8% of total
energy used in U.S.
commercial buildings
• Spends more than $5-billion
annually on energy
Energy Use in Healthcare
Source: 2012 Annual Report, Hospital Energy Alliance, US DOE EERE
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Factors to Consider
• Economic benefits of CHP
• Energy efficiency competes with clinical equipment for capital
• Electric reliability needs
• Oversized emergency generator sets
• Environmental goals
Danbury Hospital (Connecticut)
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Typical Hospital CHP System
Configurations • Small to mid-size
• Typically fueled by natural gas
• Sized for thermal load
• Do not replace emergency generators to meet “life critical loads”
Gundersen-Lutheran Hospital
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Emergency Generators
• Sized to meet “life
critical loads”
• Used during emergency
events
• Diesel fuel
• Financial payback only
in times of emergency
Emergency Generators vs.
CHP Systems
CHP Systems
• Sized to meet thermal
or electric loads
• Continuous operation
• Natural gas
• Good financial return
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Why More Hospitals Do Not Invest in CHP • Economics not right
• Competing for capital and attention
• Competing for space
• Lack of knowledge
• Utility barriers
• Permitting
University Medical Center (Princeton, NJ)
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Policy Priorities
• Financing
• Markets
• Education
Policies
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Keeping the Lights on at Hospitals:
Combined Heat and Power Provides
Resilience and Saves Money Memphis Sustainability Summit
Questions?
Jennifer Kefer 202-365-2194
[email protected] http://www.dgardiner.com/alliance.htm
@AllIndEff
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• Southeastern Clean Energy Application Center ([email protected])
• DOE – Better Building Alliance (http://www4.eere.energy.gov/alliance/about)
• CHP Resource Guide for Hospital Applications (2007) (http://1.usa.gov/190F2YQ)
• CHP Case Studies (http://1.usa.gov/11ZweNt)
Additional Slides & Resources