Auction Results



Summary of Results for February 19, 2024 ESP-IV SSO CBP Auction

Number of Registered Bidders 9
Number of Winning Bidders 8
Number of Rounds in the Auction 22

Delivery Period

June 1, 2024 to
May 31, 2025
Tranche Target 50
Number of Tranches Procured 50
Range of Starting Price ($/MWh) $80.00 - $120.00
Clearing Price ($/MWh) $69.27



Summary of Results for March 20, 2023 ESP-IV SSO CBP Auction

Number of Registered Bidders 7
Number of Winning Bidders 5
Number of Rounds in the Auction 16

Delivery Period

June 1, 2023 to
May 31, 2024
Tranche Target 34
Number of Tranches Procured 34
Range of Starting Price ($/MWh) $90.00 - $120.00
Clearing Price ($/MWh) $83.75



Summary of Results for January 10, 2023 ESP-IV SSO CBP Auction

Number of Registered Bidders 6
Number of Winning Bidders 6
Number of Rounds in the Auction 15

Delivery Period

June 1, 2023 to
May 31, 2024
Tranche Target 33
Number of Tranches Procured 33
Range of Starting Price ($/MWh) $100.00 - $130.00
Clearing Price ($/MWh) $97.70



Summary of Results for October 4, 2022 ESP-IV SSO CBP Auction

Number of Registered Bidders 7
Number of Winning Bidders 5
Number of Rounds in the Auction 8

Delivery Period

June 1, 2023 to
May 31, 2024
Tranche Target 33
Number of Tranches Procured 33
Range of Starting Price ($/MWh) $100.00 - $130.00
Clearing Price ($/MWh) $122.30



Summary of Results for March 7, 2022 ESP-IV SSO CBP Auction

Number of Registered Bidders 11
Number of Winning Bidders 7
Number of Rounds in the Auction 15

Delivery Period

June 1, 2022 to
May 31, 2023
Tranche Target 34
Number of Tranches Procured 34
Range of Starting Price ($/MWh) $75.00 - $95.00
Clearing Price ($/MWh) $68.11



Summary of Results for October 4, 2021 ESP-IV SSO CBP Auction

Number of Registered Bidders 11
Number of Winning Bidders 5
Number of Rounds in the Auction 12

Delivery Period

June 1, 2022 to
May 31, 2023
Tranche Target 33
Number of Tranches Procured 33
Range of Starting Price ($/MWh) $55.00 - $75.00
Clearing Price ($/MWh) $50.21



Summary of Results for August 23, 2021 ESP-IV SSO CBP Auction

Number of Registered Bidders 11
Number of Winning Bidders 5
Number of Rounds in the Auction 14

Delivery Period

June 1, 2022 to
May 31, 2023
Tranche Target 33
Number of Tranches Procured 33
Range of Starting Price ($/MWh) $55.00 - $75.00
Clearing Price ($/MWh) $42.10



Summary of Results for January 26, 2021 ESP-IV SSO CBP Auction

Number of Registered Bidders 12
Number of Winning Bidders 9
Number of Rounds in the Auction 15

Delivery Period

June 1, 2021 to
May 31, 2022
Tranche Target 33
Number of Tranches Procured 33
Range of Starting Price ($/MWh) $60.00 - $80.00
Clearing Price ($/MWh) $46.80



Summary of Results for October 5, 2020 ESP-IV SSO CBP Auction

Number of Registered Bidders 12
Number of Winning Bidders 6
Number of Rounds in the Auction 11

Delivery Period

June 1, 2021 to
May 31, 2022
Tranche Target 33
Number of Tranches Procured 33
Range of Starting Price ($/MWh) $60.00 - $70.00
Clearing Price ($/MWh) $48.47



Summary of Results for January 28, 2020 ESP-IV SSO CBP Auction

Number of Registered Bidders 13
Number of Winning Bidders 6
Number of Rounds in the Auction 17

Delivery Period Delivery Period

June 1, 2020 to
May 31, 2021
June 1, 2020 to
May 31, 2022
Tranche Target 16 17
Number of Tranches Procured 16 17
Range of Starting Price ($/MWh) $60.00 - $80.00 $60.00 - $80.00
Clearing Price ($/MWh) $38.65 $42.95



Summary of Results for October 7, 2019 ESP-IV SSO CBP Auction

Number of Registered Bidders 11
Number of Winning Bidders 6
Number of Rounds in the Auction 17

Delivery Period Delivery Period

June 1, 2020 to
May 31, 2021
June 1, 2020 to
May 31, 2022
Tranche Target 16 17
Number of Tranches Procured 16 17
Range of Starting Price ($/MWh) $60.00 - $80.00 $60.00 - $80.00
Clearing Price ($/MWh) $41.66 $45.39



Summary of Results for January 28, 2019 ESP-IV SSO CBP Auction

Number of Registered Bidders 11
Number of Winning Bidders 3
Number of Rounds in the Auction 16

Delivery Period

June 1, 2019 to
May 31, 2020
Tranche Target 17
Number of Tranches Procured 17
Range of Starting Price ($/MWh) $60.00 - $80.00
Clearing Price ($/MWh) $47.92



Summary of Results for October 22, 2018 ESP-IV SSO CBP Auction

Number of Registered Bidders 10
Number of Winning Bidders 3
Number of Rounds in the Auction 18

Delivery Period

June 1, 2019 to
May 31, 2020
Tranche Target 17
Number of Tranches Procured 17
Range of Starting Price ($/MWh) $60.00 - $80.00
Clearing Price ($/MWh) $47.12



Summary of Results for January 29, 2018 ESP-IV SSO CBP Auction

Number of Registered Bidders 7
Number of Winning Bidders 6
Number of Rounds in the Auction 20

Delivery Period Delivery Period

June 1, 2018 to
May 31, 2020
June 1, 2018 to
May 31, 2021
Tranche Target 16 17
Number of Tranches Procured 16 17
Range of Starting Price ($/MWh) $60.00 - $80.00 $60.00 - $80.00
Clearing Price ($/MWh) $49.31 $49.35



Summary of Results for October 10, 2017 ESP-IV SSO CBP Auction

Number of Registered Bidders 9
Number of Winning Bidders 6
Number of Rounds in the Auction 22

Delivery Period Delivery Period

June 1, 2018 to
May 31, 2020
June 1, 2018 to
May 31, 2021
Tranche Target 16 17
Number of Tranches Procured 16 17
Range of Starting Price ($/MWh) $60.00 - $80.00 $60.00 - $80.00
Clearing Price ($/MWh) $48.18 $46.09



Summary of Results for January 31, 2017 ESP-IV SSO CBP Auction

Number of Registered Bidders 12
Number of Winning Bidders 5
Number of Rounds in the Auction 16

Delivery Period

June 1, 2017 to
May 31, 2018
Tranche Target 16
Number of Tranches Procured 16
Range of Starting Price ($/MWh) $70.00 - $95.00
Clearing Price ($/MWh) $52.03



Summary of Results for October 3, 2016 ESP-IV SSO CBP Auction

Number of Registered Bidders 10
Number of Winning Bidders 5
Number of Rounds in the Auction 17

Delivery Period

June 1, 2017 to
May 31, 2018
Tranche Target 16
Number of Tranches Procured 16
Range of Starting Price ($/MWh) $70.00 - $90.00
Clearing Price ($/MWh) $49.64



Summary of Results for April 26, 2016 ESP-IV SSO CBP Auction

Number of Registered Bidders 10
Number of Winning Bidders 7
Number of Rounds in the Auction 15

Delivery Period

June 1, 2016 to
May 31, 2017
June 1, 2016 to
May 31, 2018
June 1, 2016 to
May 31, 2019
Tranche Target 16 17 17
Number of Tranches Procured 16 17 17
Range of Starting Price ($/MWh) $70.00 - $90.00 $70.00 - $90.00 $70.00 - $90.00
Clearing Price ($/MWh) $49.67 $50.76 $51.44



Summary of Results for April 13, 2016 ESP-IV SSO CBP Auction

Number of Registered Bidders 10
Number of Winning Bidders 6
Number of Rounds in the Auction 17

Delivery Period

June 1, 2016 to
May 31, 2017
June 1, 2016 to
May 31, 2018
June 1, 2016 to
May 31, 2019
Tranche Target 16 17 17
Number of Tranches Procured 16 17 17
Range of Starting Price ($/MWh) $70.00 - $90.00 $70.00 - $90.00 $70.00 - $90.00
Clearing Price ($/MWh) $48.46 $49.36 $50.49



Summary of Results for January 2015 ESP-III SSO CBP Auction

Number of Registered Bidders 8
Number of Winning Bidders 6
Number of Rounds in the Auction 16

Delivery Period

June 1, 2015 to
May 31, 2016
Tranche Target 16
Number of Tranches Procured 16
Range of Starting Price ($/MWh) $100.00 - $130.00
Tranche-weighted average price of winning bids ($/MWh) $69.18



Summary of Results for October 2014 ESP-III SSO CBP Auction

Number of Registered Bidders 5
Number of Winning Bidders 4
Number of Rounds in the Auction 18

Delivery Period

June 1, 2015 to
May 31, 2016
Tranche Target 16
Number of Tranches Procured 16
Range of Starting Price ($/MWh) $100.00 - $130.00
Tranche-weighted average price of winning bids ($/MWh) $73.82



Summary of Results for January 2014 ESP-III SSO CBP Auction

Number of Registered Bidders 9
Number of Winning Bidders 5
Number of Rounds in the Auction 21

Delivery Period

June 1, 2014 to
May 31, 2015
June 1, 2014 to
May 31, 2016
Tranche Target 16 17
Number of Tranches Procured 16 17
Range of Starting Price ($/MWh) $80.00 - $105.00 $80.00 - $105.00
Clearing Price ($/MWh) $55.83 $68.31



Summary of Results for October 2013 ESP-III SSO CBP Auction

Number of Registered Bidders 10
Number of Winning Bidders 5
Number of Rounds in the Auction 22

Delivery Period

June 1, 2014 to
May 31, 2015
June 1, 2014 to
May 31, 2016
Tranche Target 16 17
Number of Tranches Procured 16 17
Range of Starting Price ($/MWh) $80.00 - $105.00 $80.00 - $105.00
Clearing Price ($/MWh) $50.91 $59.99



Summary of Results for January 2013 ESP-III SSO CBP Auction

Number of Registered Bidders 11
Number of Winning Bidders 4
Number of Rounds in the Auction 18

Delivery Period

June 1, 2013 to
May 31, 2016
Tranche Target 17
Number of Tranches Procured 17
Range of Starting Price ($/MWh) $85.00 - $105.00
Tranche-weighted average price of winning bids ($/MWh) $59.17



Summary of Results for October 2012 ESP-III SSO CBP Auction

Number of Registered Bidders 10
Number of Winning Bidders 5
Number of Rounds in the Auction 12

Delivery Period

June 1, 2013 to
May 31, 2016
Tranche Target 17
Number of Tranches Procured 17
Range of Starting Price ($/MWh) $80.00 - $105.00
Tranche-weighted average price of winning bids ($/MWh) $60.89



Summary of Results for January 2012 ESP-II SSO CBP Auction

Number of Registered Bidders 8
Number of Winning Bidders 6
Number of Rounds in the Auction 16

Delivery Period

June 1, 2012 to
May 31, 2014
Tranche Target 17
Number of Tranches Procured 17
Range of Starting Price ($/MWh) $65.00 - $85.00
Tranche-weighted average price of winning bids ($/MWh) $44.76



Summary of Results for October 2011 ESP-II SSO CBP Auction

Number of Registered Bidders 13
Number of Winning Bidders 5
Number of Rounds in the Auction 15

Delivery Period

June 1, 2012 to
May 31, 2014
Tranche Target 17
Number of Tranches Procured 17
Range of Starting Price ($/MWh) $75.00 - $90.00
Tranche-weighted average price of winning bids ($/MWh) $52.83



Summary of Results for January 2011 ESP-II SSO CBP Auction

Number of Registered Bidders 10
Number of Winning Bidders 7
Number of Rounds in the Auction 12


Delivery Period

June 1, 2011 to
May 31, 2012
June 1, 2011 to
May 31, 2013
June 1, 2011 to
May 31, 2014
Tranche Target 17 17 16
Number of Tranches Procured 17 17 16
Range of Starting Price ($/MWh) $70.00 - $95.00 $70.00 - $95.00 $70.00 - $95.00
Clearing Price ($/MWh) $56.13 $54.92 $57.47



Summary of Results for October 2010 ESP-II SSO CBP Auction

Number of Registered Bidders 10
Number of Winning Bidders 4
Number of Rounds in the Auction 12


Delivery Period

June 1, 2011 to
May 31, 2012
June 1, 2011 to
May 31, 2013
June 1, 2011 to
May 31, 2014
Tranche Target 17 17 16
Number of Tranches Procured 17 17 16
Range of Starting Price ($/MWh) $65.00 - $90.00 $65.00 - $90.00 $65.00 - $90.00
Clearing Price ($/MWh) $54.55 $54.10 $56.58


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