1 regional wind energy purchase ann elsen energy planner montgomery county, md environmental...
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Regional Wind Energy
Purchase
Ann ElsenEnergy Planner
Montgomery County, MDEnvironmental Protection
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Big dogs eat first.
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“Green” Power
Everything Else
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. It’s not easy being green .
Cities for Climate Protection Green Power Partnership
Wind Energy Resolution
State Implementation Plan
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Metropolitan Washington
Council of Governments
(COG)
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State Implementation Plan (SIP)
• Compliance with Clean Air Act• Reduce ground-level ozone by
reducing precursors: NOx and VOC
• Safeguard federal transportation dollars
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Emissions
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Pennsylvania
New York
Virginia
Maryland
Delaware
NOxVOC
ton
s p
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year
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Maryland
Pennsylvania
New YorkVirg
inia
Delaware
Ground-Level Ozone
# Days above 1-hour standard
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So, where does the ozone come from?
“Ozone Transport”
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Locations of 50 Largest Power Plants in US
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PJM Control AreaNY
MD
WV
DE
OH
NJ
PA
VA
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Emissions “Offset”• We buy wind from area where NOx
emissions occur (ozone transport)
• Wind power “offsets” some coal power generation
• MDE (or equivalent) awards NOx “allowances”
• Allowances are retired
• Credit for “allowances” taken in SIP
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Price Premium:
1.5 ¢ 2 ¢ (per kWh)
Price for Wind Depends On:• Size of purchase• Contract term• NOT electricity rates
Cost of Wind Power
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Cost by Agency
Agency 5% WindkWh
cost @ 1.5 cents
cost @ 2 cents
Water 10,914,544 $163,718 $218,291
Schools 9,241,066 $138,616 $184,821
Government 3,549,996 $53,250 $71,000
Parks 2,525,126 $37,877 $50,503
Housing 1,282,956 $19,244 $25,659
College 1,217,320 $18,260 $24,346
Total 28,731,008 $430,965 $574,620
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Control Measure Cost (ton/year)
Wind Energy $32,000
CNG Refueling Stations $54,701
55 CNG Busses $103,063
1967 Bike Lockers $247,111
Cost Effective NOx Reduction
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Easily Replicated by Other“Non-Attainment” Jurisdictions
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Resources• Montgomery County Department of
Environmental Protection: http://www.montgomerycountymd.gov/deptmpl.asp?url=/Content/dep/index.asp
• Metropolitan Washington Council of Governments: http://www.mwcog.org
• Green Power Partnership: http://www.epa.gov/greenpower/
• American Wind Energy Association: http://www.awea.org/