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Utility Proposes Separate Default Service For Data Centers
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In response to a PUC of Ohio Staff report in Dayton Power & Light's proposed multi-year reliability plan filed at the PUC of Ohio (a proceeding similar to a rate case), Dayton Power & Light (AES Ohio) has proposed to remove data center load from its regular default service, with a new data center-specific default service class created
A witness for Dayton Power & Light proposed that electricity default service for data centers should be an hourly priced service, with the load bid in advance and the load served by competitive suppliers, similar to the hourly priced default service used at certain Pennsylvania EDCs, including Duquesne Light.
Under the proposal, default service suppliers for data centers would bid, in a descending clock auction, a premium (as a fixed price $ per MWh adder), above PJM market prices, at which bidders would serve the non-shopping data center load (if any). Winning suppliers would be paid, on a pass-through basis, PJM market prices and costs to serve the load (energy, capacity, ancillaries, etc) plus the premium established in the data center SSO auction. To the extent there are new PJM costs (such as from a backstop capacity auction), these would also be paid to the data center SSO suppliers and charged to data center SSO customers
The auction for data center SSO would be held even if there were no active data centers on SSO, to ensure that the product is ready as a backstop.
However, if no data center SSO suppliers bid to serve the load in the data center SSO auction, and a data center later seeks to return to default service, DP&L would, during an interim period, serve the returning data center load until a new data center SSO procurement can be held or another solution is developed
DP&L also said that it may be beneficial to identity a "standby supplier" for data centers to ensure data centers do not return to DP&L-served supply, though specifics concerning identification of a standby supplier, and the exact interaction with the data center SSO auction, were not delineated
Notably, DP&L said that, if a data center-specific SSO is created, the default service for other customers may remain the current "slice of system" approach that combines residential, commercial, and industrial customers (non-data centers) into a single default service product
Under the data center SSO proposal, "Data Center" would mean, "a centralized facility used primarily or exclusively for electronic
information services such as the management, storage, processing, and dissemination of
electronic data and information (including mining of cryptocurrency) through the use of
computer systems, servers, networking equipment, and related components, with an aggregate monthly maximum demand of greater than 25 MW (which includes multiple
facilities at a single location with an aggregate load of greater than 25 MW)."
Case 25-0960-EL-ATA et al.
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June 19, 2026
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Copyright 2026 EnergyChoiceMatters.com
Reporting by Paul Ring • ring@energychoicematters.com
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