Great reporting, as always, on the hydro issues.

But it is still unclear what BPA is measuring, when they tell you the federal hydro system power production will be reduced by about 45 aMW under average water-year conditions. What is the baseline?

Is this measured from the 2019-2021 interim spill regime baseline?

Is this measured from the 2018 spill regime baseline?

Is this measured from the 2020 BiOp spill regime baseline?

What is the real delta here?

Is there actually a "savings" in power production from the above? Or is BPA just making it sound like they "gave up" something, to impress the plaintiffs and court?

There appear to be no cost estimates associated with the 45 aMW. Does that mean some shifting of the spill regime operations also shifts costs between peak versus non-peak demand hours (shifting MWh costs within a 24-hour period as well)? If not, how much is the cost?

If the 45 aMW is correct, that equates to about $14 million annually (across annual average wholesale power rates). It would be higher (about double) if all power reductions were assigned to capacity power and market sales.

What does BPA say?  (See the updated story for the answer.)

Thanks,
Darryll Olsen, Ph.D., Board Representative
Columbia-Snake River Irrigators Association

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