January 16, 2015



Requested Client Action

Action Date




Grid Operation

Market Rules and Market Design



Competitive Solicitation Bid Window Expanded for the Harry Allen - Eldorado 500 kV Transmission Line




The California ISO expanded the 2013-2014 transmission planning process competitive solicitation bid window to receive proposals to finance, construct, operate and own the Harry Allen-Eldorado 500 kV transmission line.  Project sponsors must submit completed proposals by April 30, 2015.



Main Text

The ISO identified the Harry Allen - Eldorado 500 kV transmission line solution through the 2013-2014 transmission planning process.  This project is eligible for competitive solicitation.  The ISO Board of Governors approved this transmission solution in December, 2014 initiating phase 3 of the transmission planning process for project sponsor selection.  The process begins with a three month bid window from January 30, 2015 through April 30, 2015 for interested sponsors to submit applications to finance, construct, operate and own the Harry Allen - Eldorado 500 kV transmission line project.  Project sponsors interested in this project must submit completed applications by April 30, 2015.


Detailed descriptions and key selection factors are available on the ISO website at


The Phase 3 Activity Schedule (Sequence 4) is available at


The project sponsor application (version 4), which includes instructions and data requirement descriptions, is available at


Please submit completed applications to before the April 30, 2015 closing date.  The ISO will acknowledge receipt of each application.


More information on the transmission planning process Phase 3 is available at



For More Information Contact

Transmission Competitive Solicitation at or Lou Fonte at


For the benefit of our customers, we:
Attract, develop and retain a highly skilled workforce • Operate the grid reliably and efficiently • Provide fair and open transmission access
Promote environmental stewardship • Facilitate effective markets and promote infrastructure development • Provide timely and accurate information

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