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PUC sets hearing on Public Service Co. gas depreciation study; seeks supplemental data
Summary
The Colorado Public Utilities Commission on May 21 set an en banc hearing on Public Service Company of Colorado’s gas depreciation filing, ordered supplemental data, and granted intervention to the Office of the Utility Consumer Advocate and to Western Resource Advocates and Sierra Club.
The Colorado Public Utilities Commission on May 21 certified complete an application from Public Service Company of Colorado (PSCo) to revise gas utility depreciation rates, set the case for hearing before the full commission, and requested supplemental data to better assess decommissioning costs and alternative depreciation methods.
PSCo filed the depreciation study on April 11, 2025. Advisory staff explained the company’s “baseline” straight‑line, equal‑life group depreciation study would raise annual depreciation expense by $11.4 million (about 6.1%) compared with current rates, driven largely by changes to net salvage and decommissioning-cost assumptions and, to a lesser extent, changes to asset lives. The company also filed two units‑of‑production (UOP) studies based on…
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