Investors Fact Book - Exelon Corporation

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28 Exelon Generation – Nuclear Generating Capacity Exelon Nuclear Fleet (a)(b) (At December 31, 2011) Location Owned Net 2011 Plant NSSS Station Water Body Ownership Capacity (MW) Generation (GWh) Type Vendor Braidwood Braidwood, IL 100% Exelon 2,348 19,777 PWR W 2 units Kankakee River Byron Byron, IL 100% Exelon 2,323 18,203 PWR W 2 units Rock River Clinton Clinton, IL 100% Exelon 1,067 8,658 BWR GE 1 unit Clinton Lake Dresden Morris, IL 100% Exelon 1,753 14,714 BWR GE 2 units Kankakee River LaSalle Seneca, IL 100% Exelon 2,316 19,256 BWR GE 2 units Illinois River Limerick Limerick Township,PA 100% Exelon 2,312 18,463 BWR GE 2 units Schuylkill River (g) Oyster Creek Forked River, NJ 100% Exelon 625 5,298 BWR GE 1 unit Barnegat Bay Peach Bottom Peach Bottom, PA 50% Exelon 1,150 9,412 BWR GE 2 units Susquehanna River 50% PSEG Nuclear Quad Cities Cordova, IL 75% Exelon 1,380 11,401 BWR GE 2 units Mississippi River 25% Mid-American Energy Holdings Salem Hancock’s Bridge, NJ 42.6% Exelon 1,004 7,595 BWR W 2 units Deleware Estuary 57.4% PSEG Nuclear Three Mile Londonderry 100% Exelon 837 6,519 PWR B&W Island Township, PA 1 unit Susquehanna River Total 17,115 139,297 Notes: Amounts may not add due to rounding Average in-service time = 31 years PWR = Pressurized Water Reactor; BWR = Boiling Water Reactor NSSS = Nuclear Steam Supply System (a) All stations are operated by Exelon Generation except Salem, which is operated by PSEG Nuclear, a division of Public Service Enterprise Group, Inc. (b) Owned Capacity and 2011 Generation are stated at Exelon’s ownership portion; unit summer rating is stated independent of ownership. (c) Open — a system that circulates water withdrawn from the environment, returning it to its source at a higher temperature. Closed — a system that recirculates cooling water with waste heat dissipated to the atmosphere through evaporation. (d) 18-month refueling cycle. (e) 24-month refueling cycle. (f) Dry cask storage will be in operation at all sites prior to the closing of spent fuel storage pools. (g) Supplemented with water from the Wadesville Mine Pool and the Still Creek Reservoir at Tamaqua via the Schuylkill River, and the Delaware Revier via the Bradshaw Reservoir at Perkiomen Creek. (h) On December 8, 2010, Generation announced that it will permanently cease generation operations at Oyster Creek by December 31, 2019. Nuclear Operating Data (a) 2011 2010 2009 Fleet capacity factor 93.3% 93.9% 93.6% Fleet production cost per MWh $18.86 $17.31 $16.07 (a) Excludes Salem, which is operated by PSEG. Refueling Outages in 2011 – Conducted 12 refueling outages–including Salem – Average refueling outage duration: 24 days 2011 Net Generation (excluding Salem): 131,701 MWh Planned Refueling Outages (including Salem) 2010: 10 actual 2013: 10 planned 2011: 12 actual 2014: 11 planned 2012: 10 planned 2015: 11 planned
Exelon Generation – Nuclear Generating Capacity Cooling Water Unit/ Annual Mean Start of Commercial Current License Last Refueling Spent Fuel Pool System (c) Ownership Rating (MW) Operations Expiration Completed Capacity Reached (f) Closed 1/100% 1,190 1988 2026 May-12 (d) Dry Cask Storage (dedicated 2/100% 1,157 1988 2027 May-11 (d) Braidwood pond) in operation Byron Clinton Dresden LaSalle Limerick Oyster Creek Peach Bottom Quad Cities Salem Three Mile Island Closed 1/100% 1,174 1985 2024 Apr-11 (d) Dry Cask Storage 2/100% 1,150 1987 2026 Oct-11 (d) in operation Closed 1/100% 1,067 1987 2026 Dec-11 (e) 2018 Open 2/100% 880 1970 2029 Nov-11 (e) Dry Cask Storage 3/100% 872 1971 2031 Nov-10 (e) in operation Closed 1/100% 1,154 1984 2022 Mar-12 (e) Dry Cask Storage 2/100% 1,162 1984 2023 Mar-11 (e) in operation Closed 1/100% 1,158 1986 2024 Mar-12 (e) Dry Cask Storage 2/100% 1,153 1990 2029 Apr-11 (e) in operation Open 1/100% 625 1969 2029 (h) Dec-10 (e) Dry Cask Storage in operation Open 2/50% 1,148 1974 2033 Oct-10 (e) Dry Cask Storage 3/50% 1,152 1974 2034 Oct-11 (e) in operation Open 1/75% 903 1973 2032 Jun-11 (e) Dry Cask Storage 2/75% 937 1973 2032 Apr-12 (e) in operation Open 1/42.6% 1,181 1977 2036 Nov-11 (d) Dry Cask Storage 2/42.6% 1,176 1981 2040 May-11 (d) in operation Closed 1/100% 837 1974 2034 Nov-11 (e) 2023 29
Page 1 and 2: Exelon Corporation 2011 Fact Book
Page 3 and 4: To the Financial Community, The Exe
Page 5 and 6: 3 Company Overview Exelon Family of
Page 7 and 8: 5 Generation Capacity Owned Generat
Page 9 and 10: 7 Long-Term Debt Outstanding as of
Page 11 and 12: 9 Long-Term Debt Outstanding as of
Page 13 and 14: 11 Federal Regulation Federal Energ
Page 15 and 16: 13 State Regulation Pennsylvania Pu
Page 17 and 18: 15 Capital Structure and Capitaliza
Page 19 and 20: 17 Reconciliation of Adjusted (non-
Page 21 and 22: 19 Reconciliation of Adjusted (non-
Page 23 and 24: 21 Supply and Sales Statistics Exel
Page 25 and 26: 23 Supply and Sales Statistics ComE
Page 27 and 28: 25 Supply and Sales Statistics PECO
Page 29: Exelon Generation - Total Electric
Page 33 and 34: Conemaugh Exelon Generation - Fossi
Page 35 and 36: Hydroelectric and Renewable Constel
Page 37 and 38: Constellation Energy Nuclear Group
Page 39 and 40: Brandon Shores C.P. Crane Colorado
Page 41: Constellation Energy - Fossil Emiss

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