REGULATORY MATTERS: October 2014 Idaho Settlement Stipulation (Details) - October 2014 Idaho Settlement Stipulation $ in Millions	Oct. 31, 2014 USD ($)
October 2014 Idaho Settlement Stipulation [Line Items]
Authorized Return on Equity in Rate Case, Minimum	9.50%
Authorized Return on Equity in Rate Case, Mid-point	10.00%
Authorized Return on Equity in Rate Case, Maximum	10.50%
Investment Tax Credits Maximum In One Year In Rate Case	$ 25
Investment Tax Credits, Maximum, in Rate Case	$ 45
Percentage to be Shared with Customers	75.00%
Percentage to be Shared with Entity	25.00%
Percent To Be Shared With Customers, Power Cost Adjustment	50.00%
Percent To Be Shared With Customers, Pension Balancing	25.00%

The maximum authorized return on equity, whether requested or approved, in the rate case.

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- Definition

Authorized Return on Equity in Rate Case, Mid-point

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- Definition

The minimum authorized return on equity, whether requested or approved, in the rate case.

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No definition available.

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- Definition

The maximum amount, whether proposed or approved, of additional investment tax credits that are allowed in the rate case in a given year that are computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to investment tax credits generated or utilized under enacted tax laws during the period.

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- Definition

The maximum amount, whether proposed or approved, of additional investment tax credits that are allowed in the rate case that are computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to investment tax credits generated or utilized under enacted tax laws during the period.

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No definition available.

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- Definition

[Line Items] for October 2014 Idaho Settlement Stipulation [Table]

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- Definition

Percentage of earnings to be Shared with Customers, though additional pension expense as a reduction to the pension regulatory asset balancing account, that is above the maximum authorized rate of return in the rate case.

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No definition available.

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- Definition

Percentage of earnings to be Shared with Customers, though a rate reduction effective at the time of the subsequent year's power cost adjustment, that is above the maximum authorized rate of return in the rate case.

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No definition available.

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- Definition

Percentage of earnings to be Shared with Customers that is above the applicable authorized rate of return in the rate case.

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No definition available.

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- Definition

Percentage of earnings to be Shared with the Entity that is above the applicable authorized rate of return in the rate case.

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No definition available.

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- Details

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