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Choice Utility Agrees To Report On Costs To Implement Limited, Manual Pilot For Daily & Monthly Retroactive Imbalance Trading For Transportation Suppliers
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As part of a new rate case settlement, Nicor Gas in Illinois has agreed to expand the scope of its
ongoing Retroactive Trading Study to develop and scope both a limited
retroactive daily trading pilot (Daily Pilot), and a limited daily and monthly retroactive
trading pilot (Daily and Monthly Pilot), for transportation suppliers, which would
be supported primarily through manual processes,
transaction limits, and other operational constraints designed to mitigate
system, billing, compliance, and customer impacts.
While, in Nicor's most recent prior rate case (with an ICC order in Nov. 2025), Nicor had been ordered to generally conduct further analysis of supplier proposals for retroactive trading, the new settlement requires specific analysis of costs to implement a limited, mostly manual solution to serve as a pilot
Currently, Nicor Gas allows a supplier the day after a gas delivery day to
reallocate gas only between supply pools (groups of customers) controlled by that supplier.
Nicor Gas does not allow different suppliers to trade with each other retroactively.
The expansion of the Retroactive Trading Study will
include an assessment of the operational, system, billing, accounting, compliance, resource (Full-time Employees needed), and cost impacts associated with
implementation and feasibility of a limited Daily Pilot and, separately, a
Daily and Monthly Pilot.
Upon completion of the review, and upon agreement with and from the Illinois Competitive Energy Association and the Retail Energy Supply Association to proceed with any proposed pilots, Nicor agrees to
exercise "commercially reasonable" efforts to implement a Daily Pilot in the
second quarter of 2027 for a period of no less than one full heating season
(2027-2028).
The Stipulating Parties
acknowledge and agree that Nicor Gas does not, by agreeing to conduct
the Daily and Monthly Pilot assessment within the scope of the
Retroactive Trading Study, commit to implement a Daily and Monthly
Pilot.
The Stipulating Parties further agree that all development, implementation,
and operation cost and expense impacts associated with a Daily Pilot, or a
Daily and Monthly Pilot, agreed to by ICEA
and RESA, will be allocated to transportation suppliers.
In no event shall
any such costs be allocated by Nicor Gas to any class other than to
transportation suppliers.
Settling parties include Nicor, ICC Staff, the Illinois AG, ICEA/RESA, and other major parties in the rate case
Docket No. 26-0099
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September 10, 2026
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Copyright 2026 EnergyChoiceMatters.com
Reporting by Paul Ring • ring@energychoicematters.com
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