2010 Report - Pennsylvania Public Utility Commission

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Figure 53 Wellsboro Electric Company energy demand (GWh)60HistoricForecasts555045Residential4035Industrial30Commercial25202000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 201460Pennsylvania Public Utility Commission
Section 3 – Regional ReliabilityRegional Reliability AssessmentsThe passage of the Pennsylvania Electricity Generation Customer Choice and Competition Actsubstantially changed the Commission's jurisdiction as well as the Commission’s ability to compiledata from the generation sector. As a result, most information on generation and transmissioncapacity is regional. Therefore, this section summarizes the regional reliability assessments ofNERC, RFC and PJM for generation and transmission capability.The reliability of the interconnected bulk power system is defined in terms of two basic andfunctional aspects. Adequacy is the ability of the bulk power system to supply the aggregateelectrical demand and energy requirements of the customer at all times, taking into accountscheduled and reasonably expected unscheduled outages of system elements. OperatingReliability is the ability of the bulk power system to withstand sudden disturbances such as electricshort circuits or unanticipated loss of system elements from credible contingencies. Adequacy canbe expressed in terms of either reserve margin or capacity margin. Reserve margin is thedifference between available resources and net internal demand (total demand less dispatchable,controllable capacity demand response), expressed as a percentage of net internal demand.Capacity margin is the difference between available resources and net internal demand, expressedas a percentage of available resources.North American Electric Reliability CorporationThe North American Electric Reliability Corporation’s (NERC’s) mission is to ensure thereliability of the bulk power system in North America. To achieve this objective, NERC developsand enforces reliability standards; monitors the bulk power system; assesses and reports on futuretransmission and generation adequacy; and offers education and certification programs to industrypersonnel. NERC is a non-profit, self-regulatory organization that relies on the diverse andcollective expertise of industry participants that comprise its various committees and sub-groups. Itis subject to oversight by governmental authorities in Canada and the United States. NERCassesses and reports on the reliability and adequacy of the North American bulk power systemaccording to eight regional areas. The users, owners, and operators ofthe bulk power system within these areas account for virtually all theelectricity supplied in the United States, Canada, and a portion of BajaCalifornia Norte, Mexico.Reliability Assessment65 NERC, 2009 Long-Term Reliability Assessment, October 2009.The 2009 Long-Term Reliability Assessment 65 represents NERC’sindependent judgment of the reliability and adequacy of the bulkpower system in North America for the coming 10 years. NERC’sprimary purpose in preparing this assessment is to identify areas ofconcern regarding the reliability of the North American bulk powerElectric Power Outlook for Pennsylvania 2009-2014 61
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ELECTRIC POWER OUTLOOKFOR PENNSYLVA
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adequate reserve margin. Net capaci
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Section 3 - Regional ReliabilityReg
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Regional Reliability OrganizationsI
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Figure 1 NERC regionsNote: The high
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Figure 3 PJM RTO service territoryO
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Figure 5 Mid-Atlantic Area National
Page 16 and 17: Trans-Allegheny Interstate LineThe
Page 18 and 19: September 2009. A Recommended Decis
Page 20 and 21: suppliers or purchased power from t
Page 22 and 23: AECs are earned when a qualified fa
Page 24 and 25: Smart Meters and Time-of-Use RatesS
Page 26 and 27: Section 2 - Historic and Forecast D
Page 28 and 29: Figure 10 Pennsylvania aggregate no
Page 30 and 31: Most utilities have employed a comb
Page 32 and 33: Figure 13 Pennsylvania residential
Page 34 and 35: Figure 15 Pennsylvania industrial u
Page 36 and 37: Figure 17 Average deviation in peak
Page 38 and 39: Summary of EDC DataThe following se
Page 40 and 41: Figure 27 Duquesne Light Company pe
Page 42 and 43: 2000. Average annual use per reside
Page 44 and 45: Figure 32 Metropolitan Edison Compa
Page 46 and 47: Figure 33 Pennsylvania Electric Com
Page 48 and 49: percent and an industrial growth ra
Page 50 and 51: Figure 38 Pennsylvania Power Compan
Page 52 and 53: Figure 39 PPL Electric Utilities Co
Page 54 and 55: PECO's 2009 summer peak load, occur
Page 56 and 57: Figure 44 PECO Energy Company avera
Page 58 and 59: commercial (24.3 percent). Average
Page 60 and 61: Figure 48 West Penn Power Company a
Page 62 and 63: Figure 50 UGI Utilities Inc. peak l
Page 64 and 65: sales, followed by residential with
Page 68 and 69: system and to make recommendations
Page 70 and 71: • Innovative resource planning an
Page 72 and 73: Figure 54 RFC 2009-2018 reserve mar
Page 74 and 75: The MISO reserve margin for existin
Page 76 and 77: PennsylvaniaThe Pennsylvania electr
Page 78 and 79: GWh more than they generated. Figur
Page 80 and 81: Susquehanna Steam Electric Station,
Page 82 and 83: Table A01 Duquesne Light CompanyTab
Page 84 and 85: Table A09 Pennsylvania Electric Com
Page 86 and 87: Table A17 PPL Electric Utilities Co
Page 88 and 89: Table A25 West Penn Power CompanyTa
Page 90 and 91: Status of Pennsylvania's Plant Addi
Page 96 and 97: Appendix C - Existing Generating Fa
Page 98 and 99: Pennsylvania's Existing Electric Ge
Page 100: Nuclear Power Plants in Pennsylvani
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2010 Report - Pennsylvania Public Utility Commission

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