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ever-greenenergy.comEver-Green Energy
“For the average coal plant, only 32% of the energy is
converted to electricity; the rest is lost as heat.”
-Page VI, Executive Summary
42.7%
57.3%32.2%
67.8% 47.7%
36.7
%
Facilities accounted for 15.6% of rejected energySource: https://flowcharts.llnl.gov
ever-greenenergy.comEver-Green Energy
36.7%
550.5%
449.5%63.3%
Facilities: 29.5% of rejected energy
40%
30.5%
Source: https://flowcharts.llnl.gov
ever-greenenergy.comEver-Green Energy
1950 - 2011
The U.S. Energy SystemRemains Inefficient
Source: Recycled Energy Development, data from US Energy Information Agency
Current U.S. Electricity System
Source: NREL http://www.nrel.gov/dtet/about.html
Opportunity: Generate Heat and Power
Source: NREL http://www.nrel.gov/dtet/about.html
What is Combined Heat and Power (CHP)?
• A method of simultaneously generating thermal energy (heat) and electricity
• Fuel agnostic• Often in an integrated system• Not a specific technology, but
an application of currently available technologies
• Typically composed of mechanical components manufactured in the United States
• Flexible and resilientSource: ACEEE - http://www.aceee.org
How CHP Works
Source: www.combinedheatandpower.com
Increased Efficiency & Reduced Emissions
Applications for CHP
• Large CHP (>20 MW) • Industrial sites • Colleges and universities • District energy systems
• Mid-Size CHP (1-20 MW) • High-growth industrial applications • Manufacturing and assembly plants • Institutional, military and government facilities • Large commercial sites • District energy systems
• Small CHP (<1 MW)
Source: DOE Office of Energy Efficiency and Renewable Energy
CHP Generators
Source: U.S. Energy Information Administration, Annual Electric Generator Report
State CHP Potential (MW)
Source: IEA - http://www.iea.org/media/files/chp/profiles/us.pdf
State CHP Potential (Sites)
Source: IEA - http://www.iea.org/media/files/chp/profiles/us.pdf
CHP is a Cost Effective Electricity Resource
Source: http://mn.gov/commerce/energy/images/DG-Haefke-CHP.pdf
Benefits of CHP
• Uses existing, proven technology • Improve system efficiency• Diversify energy supplies• Reduce emissions• Increase business competitiveness• Enhance resilience/energy security
Source: DOE Combined Heat and Power: Effective Energy Solutions for a Sustainable Future, 2008
Increasing the Security and Resilience of the Energy System
• Generally refers to capturing waste heat that a building, industrial site or power plant is already emitting
• Use recovered heat to generate clean thermal energy (hot water, steam, chilled water) or clean electricity.
• Opportunity to vastly improve industrial energy efficiency, competitiveness of U.S. industrial sector, and provide a source of pollution-free energy
Opportunity: Waste Heat Recovery
How Can it be Used?
• Heating and cooling buildings• Heating and cooling processes• Heating domestic hot water• Snowmelt• Generate electricity• Other thermal process needs
Source: DOE - http://www1.eere.energy.gov/manufacturing/tech_deployment/pdfs/wasteheatrecovery_factsheet.pdf
Who is Encouraging CHP and Recovery of Waste Heat?
• U.S. Department of Energy• U.S. Environmental Protection Agency• U.S. Armed Forces• U.S. Energy Information Agency• International Energy Agency• International District Energy Association• American Council for an Energy Efficient Economy
Questions?
www.districtenergy.org
Robert P. ThorntonPresident & CEOInternational District Energy Association 24 Lyman Street, Suite 230Westborough, MA [email protected]+1-508-366-9339
