Tiered Rate Methodology (TRM) Studies
TRM not only impacts the overall level of power supply costs, but may also require modifications to utilities’ cash flow management, cost allocations and rate designs. Demand and load shaping charges can result in significant variability in monthly power supply costs. In addition, the TRM rate structure includes changes that may impact the allocation of costs among utilities’ customer classes. As utilities’ loads grow it will become very important to consider how utilities’ Tier 1 allocations are shared among new and existing retail customers. EES Consulting has assisted utilities in evaluating whether or not the TRM wholesale rate design should be carried over into retail rate setting.
Northwest Studies
Below are a few of the Northwest utilities that EES Consulting has assisted with TRM-related power supply and rate design issues in the last few years:
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