TRANSMISSION PROJECTS MODELED IN PHASE IIA DELIVERABILITY STUDY BASECASE

TRANSMISSION PROJECTS MODELED IN PHASE IIA DELIVERABILITY STUDY BASECASE Reconductor 2.74 miles of 4/0 Al with 715 Al from Lompoc City Jct 2 - Lompoc Tap Gen IC ISO16 # Reconductor Birds Landing to CCPP with 10.22 mi of 1113 ACSS Gen IC ISO24 # Reconductor CC Sub to CCPP with 1.77 mi of 1113 ACSS Gen IC ISO24 # Re-conductor East Shore - San Mateo #1 230 kv line with 954 SSAC (coastal) Gen IC ISO45 # Re-conductor East Shore - Dumbarton 115 kv line 6.83 miles of 795 SSAC (coastal) Gen IC ISO45 # Re-conductor Newark - Dumbarton 115 kv line 7.16 miles of 795 SSAC (coastal) Gen IC ISO45 # Add third East Shore 230/115 kv Bank Gen IC ISO45 # Reconductor Oro Loma to Dos Palos with 7.09 mi of 397 AL Gen IC ISO54 Re-conductor Panoche - SJVEC 230 kv line with 1113 SSAC interior 25 miles Gen IC ISO55 Re-conductor Helm - SJVEC 230 kv line with 1113 SSAC interior.4 miles Gen IC ISO55 Re-conductor Panoche - Helm 230 kv line with 795 SSAC interior 25 miles Gen IC ISO55 Re-conductor Herndon - Kearney (Herndon - P0429)230 kv line with 795 SSAC interior Gen IC ISO55 Re-conductor Wilson - Gregg 230 kv line (STOREY 1 - GREGG) with 954 ACSR interior 10 miles Gen IC ISO55 Re-conductor Bellota - Melones 230 kv line with 1113 AAC interior Gen IC ISO55 Re-conductor Bellota - Warnerville 230 kv line with 795 ACSR interior Gen IC ISO55 Reconductor the Oro Loma - Canal #1 70 kv Line (Oro Loma - Dos Palos) section Gen IC ISO55 Reconductor line section from existing Ripon Cogen Tap to new Ripon Cogen Tap 2 11.93 mi. 954-37/0 Gen IC ISO37 Re-conductor Herndon - P0429 230 kv line 1.6 miles of 1113 SSAC (Interior) 2 ft/s Gen IC ISO47 # Re-conductor Glass - Madera 70 kv line 2.6 miles of 397 AAL (interior) 2 ft/s Gen IC ISO47 # Re-conductor Glass - Biola 70 kv line section between Canandga and Glass 0.8 miles of 397 AAL (interior) 2 ft/s Gen IC ISO47 Reconductor MorroBay - Templeton 230 kv Line Gen IC ISO9 Reconductor SanLuis Obispo - Atascadero 70 kv Line Gen IC ISO9 Re-conductor Midway - Belridge (12 miles) and Belridge - Temblor (3 miles) 115 kv line with 715 AAC Gen IC ISO16 Birds Landing-Contra Costa PP 230 kv Line Reconductoring Gen IC ISO22 Reconductor Contra Costa-Las Positas 230 kv line Gen IC ISO2 T670A Tesla Newark 230 kv Reinforcement 2005 T759A Atlantic 230/60 kv Transformer 2005 T346 Cortina 230/115 kv Capacity Increase 2005 T316 Borden Second 230/70 kv Transformer 2005 T907 California Avenue 115 kv Line 2005 T773 Kern 230/115 kv Transformer 2005 T920 Ravenswood Ames 115 kv Reinforcement 2005 T717A Reedley 115/70 kv Second Transformer 2005 T680 Tesla Tracy 115 kv Line Reconductoring 2005 T941 Tesla Tracy 230 kv reconductoring 2005 2004 LARS T654C Eagle Rock Cortina 115 kv Line Swap 2005 T010A Northern Scott 115 kv Reconductoring 2005 T783 Vaca Dixon 230/115 kv Transformer Replacement 2005 T678 Lockeford 230/60 kv Transformers 2005 T654A Mendocino 115 kv Capacitors 2005 T653A Fulton 230 kv Capacitors 2005 6/30/06 1 of 5

T936 Notre Dame Substation Interconnection 2005 T658 Humboldt Arcata Jct. 60 kv Line 2005 T654B Mendocino 115/60 kv Transformer 2005 T253A Pueblo Voltage Support 2005 T706a Wilson 230 kv Loop 2005 T243 Colgate Smartville 60 kv Reconductoring 2005 T744 Hunters Point Potrero 115 kv Line 2005 T646A Panoche Mendota Dairyland 115 kv Reconductoring 2005 T177 West Sacramento Davis 115 kv Reinforcement 2006 T082 Jefferson Martin 230 kv 2006 SF LT Study T128 Arco Twisselman 70 kv Reconductoring 2006 T177A Davis UC Davis 115 kv Conversion 2006 T697 Moss Landing Salinas 115 kv Reconductoring 2006 T101 Atlantic Del Mar 60 kv line 2006 Pipeline T314 Colgate 230/60 kv Transformer Capacity Increase 2006 T157 Tri Valley: Long Term Project 2006 Pipeline T653B Fulton 230 kv Line 2006 T725 Midway 230/115 kv Transformer Capacity Increase 2006 T933 Table Mountain 230/115 kv Transformer 2006 T783A Vaca Dixon 115/60 kv Transformer 2006 T846A Dumbarton Newark 115 kv Reconductoring 2006 T655 Jefferson 230/60 kv Transformer Capacity 2006 T867 Metcalf Moss Landing 230 kv Reinforcement 2007 T081A Bair Belmont 115 kv Reconductoring 2007 T647A Metcalf Monta Vista 230 kv Line Nos. 1 and 2 Reconductoring 2007 T790B Ravenswood Reactive Support 2007 T680A Kasson Lammers 115 kv Reconductoring 2007 T944 Newark - Newark Distribution 230 kv Line 2007 T815 Pease Marysville 60 kv Line 2007 260A Henrietta Gregg 230 kv Reconductoring 2007 T778 Henrietta 230/70 kv Transformer Capacity Increase 2007 6/30/06 2 of 5

T253 Lakeville Sonoma 115 kv Line Project 2007 T737 Mesa 230/115 kv Transformer 2007 T686B Palermo 230/115 kv Transformer 2007 T444 Placer Gold Hill 115 kv Reinforcement 2007 T141 Lone Tree 230 kv Distribution Substation 2007 T897 Martin Hunters Point 115 kv Underground Cable 2007 T844 Stagg 230/60 kv Transformers 2007 T634A Tulucay 230/60 kv Transformer 2007 T783B Vaca Dixon 500/230 kv Transformer 2007 T571 Lakeville 230/60 kv Transformer 2008 T686 Palermo Rio Oso 115 kv Reconductoring 2008 T122 Herndon Bullard 115 kv Reconductoring 2008 Mc Call Bus Breaker-And-Half Project Kern Bank 4 was replaced with a new 420 MVA bank. add a second 200 MVA transformer at Henrietta Rerate Cortina-Eagle Rock 115 kv Rerate on Humboldt Bay - Eureka 60 kv line for coastal 4 fps emergency rating Rerate on Lakeville - Peteluma C 60 kv line for interior 4 fps emergency rating Rerate Transmission Line: San Mateo - Martin 115 kv No. 4 (San Mateo-Burlingame) Rerate Transmission Line: Newark - Ames Dist 115 kv No. 1 Rerate Transmission Line: Newark - Ames 115 kv No. 3 Rerate Transmission Line: Green Valley - Llagas 115 kv (Llagas-Morgan Hill J2) Rerate Transmission Line: Newark - Tesla 230 kv No. 2 (Newark-ADCC) Rerate Transmission Line: Tesla - Newark 230 kv No. 2 (Tesla - ADCC) Monta Vista 115/60 kv Bank Project Reconductor and Rerate Moss Landing-Green Valley #1&2 with 477 ACSS Reconfigure Pease-Colgate-Marysville-East Nicolaus area Rerate on Sonoma - Pueblo 115 kv line for interior 4 fps emergency rating Install 16 ohm reactor between Tesla bus section C and D 6/30/06 3 of 5

Rerate on Tulucay-Vaca 230 kv line for interioir 4 fps emergency rating SCE 1 Install 4th Mira Loma 500/230 kv transformer bank. 2004 Annual Exp SCE SCE 2 New Viejo 230/66 kv substation. Connect to 230 kv system by looping into San Onofre - Chino 230 kv. 2005 Annual Exp SCE SCE 3 Install 4th Valley 500/115 kv transformer bank. 2005 Annual Exp SCE SCE 4 Install South of Lugo N-2 SPS. (SOB 286) 2005 Annual Exp SCE SCE 5 Install new 28.8 MVAR capacitor bank at Antelope 66 kv. 2005 Annual Exp SCE SCE 6 Upgrade Antelope 230/66 kv No. 2 transformer bank from 120 MVA to 280 MVA. Turn off No. 3 transformer bank due to mismatch 2005 Annual Exp SCE impedance. SCE 7 Upgrade 66 kv circuit breakers at Bailey to permit parallel operation of 230/66 kv transformers. 2005 Annual Exp SCE SCE 8 Install 2 X 165 MVAR shunt caps at Valley 500 kv. 2006 Annual Exp SCE SCE 9 Loop in Lugo - Serrano 500 kv into Mira Loma. SOL maintained at 5,600 MW. Not modelled after in service of Rancho Vista. 2006 Annual Exp SCE SCE 10 Reconductor Pastoria - Pardee ( 598 MVA normal & emergency ), Pardee - Bailey ( 494 MVA normal & 598 MVA emergency ), Bailey - 2006 Annual Exp SCE Pastoria ( 494 MVA normal & 598 MVA emergency ) 230 kv as part of infrastructure replacement. SCE 11 Upgrade amp rating of series capacitors on Palo Verde -Devers 500 kv No. 1 ( 2338 MVA normal & 2988 MVA emergency ) and 2006 Annual Exp SCE SWPL to increase Path 49 by 505 MW. Also second 500/230 kv transformer at Devers. SCE 12 New Antelope - Pardee 230 kv line. 2007 Annual Exp SCE SCE 13 Install 2nd 230/115 kv transformer at Mirage. 2007 Annual Exp SCE SCE 14 Intall 175 MVAR SVC at Rector to remove need to drop load for N-1. Dynamic support only, full range not modelled for load flow. 2007 Annual Exp SCE SCE 15 Split Devers - Mirage 115 kv system. Includes new Mirage - Santa Rosa - Tamarisk 115 kv line. 2008 Annual Exp SCE SCE 16 Install 3rd 230/115 kv transformer at Mirage. 2008 Annual Exp SCE SCE 17 Loop in Big Creek 3 - Springville 230 kv into Rector to relieve base case generation limitation and load dropping under contingency. 2009 Annual Exp SCE SCE 18 New second Palo Verde - Devers 500 kv line to provide a new economic path of 1,200 MW. 2009 Annual Exp SCE SCE 19 New Rancho Vista 500/230 kv substation to accommodate load growth. Unloop Lugo - Serrano 500 kv from Mira Loma and loop into 2009 Annual Exp SCE Rancho Vista. SCE 20 Upgrade terminal equipment of Alamitos - Barre 230 kv line 1 & 2. ( 1195 MVA normal & emergency ) 2006 Phase 1 Deliv. SCE SCE 21 Upgrade terminal equipment of Alamitos - Center 230 kv. ( 1195 MVA normal & emergency ) 2006 Phase 1 Deliv. SCE SCE 22 Upgrade terminal equipment of Hinson - Lighthipe 230 kv. ( 472 MVA normal & 797 MVA emergency ) 2006 Phase 1 Deliv. SCE SCE 23 Upgrade terminal equipment of La Fresa - Redondo 230 kv line 1 & 2. ( 1195 MVA normal & emergency ) 2006 Phase 1 Deliv. SCE SCE 24 Reconductor Etiwanda - Mira Loma 230 kv. ( 988 MVA normal & 1195 MVA emergency ) 2005 RMR elimination SCE SCE 25 Upgrade Vincent - Mesa 230 kv wavetrap. ( 988 MVA normal & 1195 MVA emergency ) 2005 RMR elimination SCE SCE 26 Upgrade terminal equipment of Eagle Rock - Pardee 230 kv. ( 494 MVA normal & 665 MVA emergency ) 2006 RMR elimination SCE SCE 27 Upgrade terminal equipment of Goodrich - Gould 230 kv. ( 988 MVA normal & 1195 MVA emergency ) 2006 RMR elimination SCE SCE 28 Upgrade terminal equipment of Rio Hondo - Vincent 230 kv line 1 & 2. ( 1195 MVA normal & emergency ) 2006 RMR elimination SCE SCE 29 Upgrade terminal equipment of Eagle Rock - Mesa 230 kv. ( 1195 MVA normal & emergency ) 2006 RMR elimination SCE SCE 30 Upgrade terminal equipment of Eagle Rock - Sylmar 230 kv. ( 1195 MVA normal & 1374 MVA emergency ) 2006 RMR elimination SCE SCE 31 Upgrade terminal equipment of Antelope - Mesa 230 kv. ( 474 MVA normal & emergency ) 2006 RMR elimination SCE SCE New Antelope - Tehachapi 230 kv line. 2007 Gen IC ISO18/SCE SCE New Antelope - Vincent 500 kv line. 2007 Gen IC Tehach. SCE Pastoria second 230 kv line. 2005 Gen IC??? SCE New Julian Hinds-Buck Blvd 230 kv transmission line merchant trans TOT094 SCE New 500/161 kv transformer connection to Palo Verde-Devers 500 kv line and Buck Blvd merchant trans TOT101 SCE Upgrades to Devers-Valley 500 kv line terminal equipment at Valley substation merchant trans TOT101 SCE New Devers-Blythe 500 kv transmission line merchant trans TOT104 SCE Reconductor Devers-San Bernadino 230 kv #1 &2, Devers-Vista #1 & 2 Annual Exp SCE SCE Mt. Pass-Eldorado Reconductoring Gen IC ISO15 SCE Eldorado 230/115 kv transformer replacement to 280 MVA Gen IC ISO15 SCE Eldorado-Merchant 230 kv line #2 Gen IC ISO56 SCE Oxbow 230/115 kv transformer replacement Gen IC ISO58 SCE Inyo phase shifter upgrade to 60 degree tap range Gen IC ISO58 SCE Kramer-Inyokern 115 kv to 230 kv conversion Gen IC ISO58 SCE Expand Bishop RAS (e.g. cover the N-1 Control-Inyokern No. 1 or 2) Gen IC ISO58 SCE El Segundo RAS (e.g. cover El Nido-La Fresa N-2) Gen IC ISO7 SCE Daggett Shunt capacitor Gen IC WDT164 SDGE P04137 Division to Naval Station Metering Annual Exp SDGE SDGE P04141 Reconductor TL6913, Poway to Pomerado Annual Exp SDGE SDGE P04135 Superior Renewable Interconnection Gen IC Superior 6/30/06 4 of 5

SDGE P04130 Reconductor TL664, Miramar GT substation to Eastgate Tap (Ramco Interconnection) Gen IC Ramco SDGE P04195 Lake Hodges Pumped Storage Project Gen IC Lake Hodges SDGE P02161 Build New 69 kv line between Sycamore Canyon and Miramar Substations (new line) Annual Exp SDGE SDGE P03170 Silvergate New 138/69kV Substation (takes place for new mainstreet) Annual Exp SDGE SDGE P03176 Reconductor TL 640, Chollas-Paradise Annual Exp SDGE SDGE P03179 Reconductor TL658, Sampson-Division Annual Exp SDGE SDGE P03188 Reconductor TL642 Sweetwater-Montgomery Tap-South Bay Annual Exp SDGE SDGE P01144 Construct Miguel-Mission 230kV line #2 Annual Exp SDGE SDGE P03190 Rebuild Old Town Substation Annual Exp SDGE SDGE P03191 Otay Mesa Power Purchase Agreement Transmission Project Gen IC SDGE SDGE P01142 Reconductor TL683, Lilac-Rincon Annual Exp SDGE SDGE P00153 Reconductor TL13837, Capistrano-Laguna Niguel Annual Exp SDGE SDGE P03183 Reconductor TL678, Los Coches-Alpine and TL6914, Los Coches-Loveland Annual Exp SDGE SDGE P03192 Various Projects for Palomar Interconnection Gen IC Palomar SDGE P04193 Install a New 230/138 kv Transformer at Sycamore Canyon Substation Annual Exp SDGE SDGE P98192 Reconductor TL696, Escondido-Ash Annual Exp SDGE SDGE P95144 Build a New 69 kv line between Torrey Pines and UCM Substation Annual Exp SDGE SDGE P00146 Reconductor TL688, Escondido-Lilac Annual Exp SDGE SDGE P01141 Reconductor TL13836, Talega-Pico Annual Exp SDGE SDGE Loop-in Encina-San Luis Rey-Escondido 230 kv line into Palomar Sub 2007 Annual Exp SDGE 6/30/06 5 of 5