Department of Water and Power City of Los Angeles

LADWP Transmission Plan Input to DRECPUpdate Ver 1.1

February 17, 2012

2

Proposed Transmission Plan

California DRECP Maps

General Assumptions

LADWP Renewable Energy and Transmission Plan

Owens Valley Plan

Western Mojave Plan

Barstow Plan

Acreage Disturbance

3

CRECP Map

High and Low RESA scenarios

RESA  Technology 

MW conversion: 

Low Scenario 

MW conversion:  

High Scenario 

Solar  836  1,252 Wind  540  1,838 Barstow DG  177  353 Solar  1,303  1,952 Blythe DG  271  123 

Geothermal  3,012  4,016 Solar  3,693  5,531 Imperial DG  781  1,562 

Owens Valley  Solar  414  621 

Solar  5,621  8,419 Wind  3,635  12,362 

West Mojave 

DG  1,189  2,378 Total    21,472  40,407  

4

CRECP Map2

High and Low RESA scenarios

RESA  Technology 

MW conversion: 

Low Scenario 

MW conversion:  

High Scenario 

Solar  836  1,252 Wind  540  1,838 Barstow DG  177  353 Solar  1,303  1,952 Blythe DG  271  123 

Geothermal  3,012  4,016 Solar  3,693  5,531 Imperial DG  781  1,562 

Owens Valley  Solar  414  621 

Solar  5,621  8,419 Wind  3,635  12,362 

West Mojave 

DG  1,189  2,378 Total    21,472  40,407  

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RESA Scenarios and Assumed LADWP Allocation

Assumed  A llocation

RESA Techno logy

MW  conversion : 

Low  Scenario

MW  conversion :   

High  Scenario

MW  conversion : 

Low  Scenario

MW  conversion :   

High  Scenario

Solar 836 1,252 137 179W ind 540 1,838 89 263DG 177 353Solar 1,303 1,952DG 271 123

Geothermal 3,012 4,016Solar 3,693 5,531DG 781 1,562

Owens  Va lley Solar 414 621 414 621

Solar 5,621 8,419 922 1,206

W ind 3,635 12,362 596 1,771

DG 1,189 2,378Total 21,472 40,407 2,158 4,041West Mojave

To tal LADW P  (10%  of  Total RESA)

Bars tow

B lythe

Imperia l

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RESA LADWP Allocation and Design Parameters Assumption

Assumed  A llocation

RESA Techno logy

MW  conversion : 

Low  Scenario

MW  conversion :   

High  Scenario

MW  conversion : 

Low  Scenario

MW  conversion :   

High  Scenario

MW  conversion : Low  Scenario

MW  conversion :   High  Scenario

Solar 836 1,252 137 179W ind 540 1,838 89 263DG 177 353Solar 1,303 1,952DG 271 123

Geothermal 3,012 4,016Solar 3,693 5,531DG 781 1,562

Owens  Valley Solar 414 621 414 621

Solar 5,621 8,419 922 1,206

W ind 3,635 12,362 596 1,771DG 1,189 2,378

Total 21,472 40,407 2,158 4,040West Mojave

5  New  &  Upgraded Stations3  New  500kV  L ine  Segment

500kV  Sub2  Converter Stations

4  StationsConvers ion of  287kV  AC  to DC  Line

Design  Parameters

500  kV  SubConvert 287kV  Bars tow  ‐ Victorville  to 500kV

1  230  sub, 1  New  230  kV  L ine  to Barren R idge

To tal LADW P  (10%  of  Total  RESA)

Bars tow

Blythe

Imperia l

LADWP Plans in the Study Region

Owens Valley Plan Low Scenario

To Barren Ridge

Owens Valley Plan High Scenario

To Barren Ridge

Western Mojave Plan Low Scenario

Western Mojave Plan High Scenario

Barstow Plan Low Scenario

To Mohave

Barstow Plan High Scenario

Reference to Assumptions

Transmission• Length – from Map• ROW – from SCE’s Estimate

• 230kV – 100 ft• 500kV – 200 ft

Station • AC Station – SCE data

• 230kV - 77 acre• 500kV - 176 acre

• DC Station – LADWP data

Gentie• Length – DWP Estimate• ROW – SCE data

• 100 ft

Collector Station• DWP data - .013 acre/MW

Generation• Data from Scott

• PV Solar – 9.1 acre/ MW• Wind – 40 acre/ MW

Low RESA Scenario

Transm ission  Line Facility  Location RESA  Location KV

New  or Upgrade

Length  ‐  In  RESA  (m iles)

Length  ‐  Out of  RESA  

(m iles) A creage/  mileAcreageIn  RESA

AcreageOut of  RESA

Inyo  to  Barren  Ridge Owens  to  Weste rn  Mohave 230 New 83 2 12 1006.06 24.24Barren  Ridge  to  Station  5 Weste rn  Mohave 500 New 61 24 1478.79 0.00Station  5 to  Station  E Weste rn  Mohave  to  the  South 500 New 43 24 0.00 1042.42Station  5 to  Conve rte r Station  1 Weste rn  Mohave 500 New 51 24 1236.36 0.00Conve rte r Station  1 to  Conve rte r Station  2 Weste rn  Mohave  to  the  South DC Upgrade 0 12 0.00 0.00Conve rte r Station  1 to  Station  6 Weste rn  Mohave  to  Barstow 500 Upgrade 22 26 24 533.33 630.30

Station Facility  Location RESA  Location KVNew  or Upgrade

AcreageIn  RESA

AcreageOut of  RESA

Station  1 Owens 230 New 77Station  2 Weste rn  Mohave 230/500 New 176Station  3 Weste rn  Mohave 230 New 77Station  4 Weste rn  Mohave 230 New 77Station  5 Weste rn  Mohave 500 New 176Station  6 Barstow 500 New 176Conve rte r Station  1 Weste rn  Mohave DC New 6.4Conve rte r Station  2 South  of  Weste rn  Mohave DC New 6.4

Low  RESA  Scenarios 

Low RESA Scenario (Cont.)

Gentie Facility  Location RESA  LocationNew  or Upgrade M iles Acerage/  m ile

AcreageIn  RESA

AcreageOut of  RESA

Solar 1 Owens New 9 109 982Solar 2 Weste rn  Mohave New 5 61 303Wind  1 Weste rn  Mohave New 6 73 436Wind  2 Weste rn  Mohave New 6 73 436Solar 3 Weste rn  Mohave New 15 182 2727Barstow  Wind+Solar Barstow New 4 48 194

Co llector Station RESA  LocationNew  or Upgrade MVA Acre/MW

AcreageIn  RESA

AcreageOut of  RESA

Solar 1 Owens New 640 0.013 8Solar 2 Weste rn  Mohave New 320 0.013 4Wind  1 Weste rn  Mohave New 960 0.013 12Wind  2 Weste rn  Mohave New 960 0.013 12Solar 3 Weste rn  Mohave New 960 0.013 12Barstow  Wind+Solar Barstow New 320 0.013 4

Generation Name RESA  LocationNew  or Upgrade MW Acre/MW

AcreageIn  RESA

AcreageOut of  RESA

Solar 1 Owens New 400 9 3640Solar 2 Weste rn  Mohave New 200 9 1820Wind  1 Weste rn  Mohave New 300 40 12000Wind  2 Weste rn  Mohave New 300 40 12000Solar 3 Weste rn  Mohave New 700 9 6300Barstow  Wind Barstow 150 40 6000Barstow  Solar Barstow New 50 9 450

Total 52,362.81 1,703.37

High RESA Scenario

Transm ission  Line Facility  Location RESA  Location KV

New  or Upgrade

Length  ‐  In  RESA  (m iles)

Length  ‐  Out of  RESA  

(m iles) Acreage/  m ileAcreageIn  RESA

AcreageOut of  RESA

Inyo  to  Barren  Ridge Owens  to  Weste rn  Mohave 230 New 83 2 12 1006.06 24.24Barren  Ridge  to  Station  5 Weste rn  Mohave 500 New 61 24 1478.79 0.00Station  5 to  Station  E Weste rn  Mohave  to  the  South 500 New 43 24 0.00 1042.42Station  5 to  Conve rte r Station  1 Weste rn  Mohave 500 New 51 24 1236.36 0.00Conve rte r Station  1 to  Conve rte r Station  2 Weste rn  Mohave  to  the  South DC Upgrade 0 12 0.00 0.00Conve rte r Station  1 to  Station  6 Weste rn  Mohave  to  Barstow 500 Upgrade 22 26 24 533.33 630.30

Station Facility  Location RESA  Location KVNew  or Upgrade

AcreageIn  RESA

AcreageOut of  RESA

Station  1 Owens 230 New 77Station  2 Weste rn  Mohave 230/500 New 176Station  3 Weste rn  Mohave 230 New 77Station  4 Weste rn  Mohave 230 New 77Station  5 Weste rn  Mohave 500 New 176Station  6 Barstow 500 New 176Conve rte r Station  1 Weste rn  Mohave DC New 6.4Conve rte r Station  2 South  of  Weste rn  Mohave DC New 6.4

H igh  RESA  Scenarios 

High RESA Scenario (Cont.)

Gentie Facility  Location RESA  LocationNew  or Upgrade M iles Acerage/  m ile

AcreageIn  RESA

AcreageOut of  RESA

So lar 1 Owens New 14 170 2376Solar 2 Weste rn  Mohave New 8 97 776Wind  1 Weste rn  Mohave New 18 218 3927Wind  2 Weste rn  Mohave New 18 218 3927Solar 3 Weste rn  Mohave New 20 242 4848Barstow  Wind+Solar Barstow New 10 121 1212

Co llector Station RESA  LocationNew  or Upgrade MVA Acre/MW

AcreageIn  RESA

AcreageOut of  RESA

So lar 1 Owens New 640 0.013 8Solar 2 Weste rn  Mohave New 320 0.013 4Wind  1 Weste rn  Mohave New 960 0.013 12Wind  2 Weste rn  Mohave New 960 0.013 12Solar 3 Weste rn  Mohave New 960 0.013 12Barstow  Wind+Solar Barstow New 600 0.013 8

Genera tion Name RESA  LocationNew  or Upgrade MW Acre/MW

AcreageIn  RESA

AcreageOut of  RESA

So lar 1 Owens New 600 9 5460Solar 2 Weste rn  Mohave New 300 9 2730Wind  1 Weste rn  Mohave New 900 40 36000Wind  2 Weste rn  Mohave New 900 40 36000Solar 3 Weste rn  Mohave New 900 9 8100Barstow  Wind Barstow New 200 40 8000Barstow  Solar Barstow New 300 9 2700

Total 121,134.33 1,703.37

Summary Acreage

Owens  RESA Faci l ity  TypeAcre  for Low  Case

400MWAcre  for High  Case

600 MW  Gene ration 3,640.00 5,460.00Station 77.00 77.00Colle ctor Station 8.32 8.32Gen  Tie 981.82 2,375.76Subtotal 4,707.14 7,921.08

Mohave Faci l ity  TypeAcre  for Low  Case

1500 MWAcre  for High  Case  

3000MWGene ration 32,120.00 82,830.00Station 512.40 512.40Colle ctor Station 41.60 41.60Gen  Tie 3,903.03 13,478.79Subtotal 36,577.03 96,862.79

Barstow Faci l ity  TypeAcre  for Low  Case

200MWAcre  for High  Case  

450MWGene ration 6,450.00 10,700.00Station 176.00 176.00Colle ctor Station 4.16 7.80Gen  Tie 193.94 1,212.12Subtotal 6,824.10 12,095.92

Inside  RESA Transm ission 4,254.55 4,254.55

outside  RESA Transm ission 1,696.97 1,696.97Station 6.40 6.40Subtotal 1,703.37 1,703.37

Total 54,066.18 122,837.70