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Transmission access and pricing with multiple separate energy forward markets

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3 Author(s)
Gribik, Paul R. ; Perot Syst. Corp., Los Angeles, CA, USA ; Angelidis, G.A. ; Kovacs, R.R.

California's congestion management protocols provide comparable access and prices to all users of the transmission system (power exchange and bilateral contract parties). The users implicitly bid for capacity on major transmission paths between zones. The independent system operator (ISO) allocates the available transmission capacity on these paths so that it maximizes the value of this capacity as measured by the users' bids. Everyone scheduling flow on a congested path is charged the marginal-cost-based price for using the path. The ISO keeps each party's portfolio of generation and load individually in balance when adjusting schedules to relieve congestion on interzonal paths. By keeping the portfolios of the different parties separate, the ISO clears its transmission market without arranging energy trades between parties. Parties are responsible for arranging their own trades. The ISO does not become involved in the energy forward markets

Published in:

Power Systems, IEEE Transactions on  (Volume:14 ,  Issue: 3 )