Current number of customers that have elected non-standard meter service

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- Definition

Presumed number of customers that will elect non-standard meter service

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- Definition

Public Utilities, Approved Deployment Costs

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- Definition

Public Utilities, Approved Non-standard metering ongoing expenses monthly charge

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No definition available.

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- Definition

Public Utilities, Approved Non-standard metering service cost initial fee range

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No definition available.

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- Definition

Public Utilities, Collection of Deployment Costs Through Surcharge Period

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- Definition

Public Utilities, Competition Transition Charge, Adjustment to Annual Funding Amount

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- Definition

Public Utilities, Competition Transition Charge, Requested Adjustment to Increase (Decrease) Collection of Amortization

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No definition available.

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- Definition

Public Utilities, Energy Efficiency Cost Recovery Factor, Amount Requested

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No definition available.

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- Definition

Public Utilities, Energy Efficiency Cost Recovery Factor, Performance Bonus Requested

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- Definition

Public Utilities, Non-standard metering ongoing expenses total to be borne by opt-out customers

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No definition available.

+ Details

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- Definition

Public Utilities, Non-standard metering service cost total to be borne by opt-out customers

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No definition available.

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- Definition

Public Utilities, Number of advanced meters installed

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- Definition

Public Utilities, Proposed Increase (Decrease) in Regulated Operating Revenue

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Amount of public utility's requested rate increase (decrease) with regulatory agency.

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No definition available.

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Regulatory and Rate Matters - TNMP Narrative (Details) - Texas-New Mexico Power Company advanced_meter in Thousands				1 Months Ended	6 Months Ended
	Jul. 19, 2017 USD ($)	May 25, 2017 USD ($)	Mar. 13, 2017 USD ($)	Jul. 30, 2011 USD ($)	Jun. 30, 2017 USD ($) customer	Jul. 25, 2017 customer	Dec. 31, 2016 advanced_meter
Public Utilities, General Disclosures [Line Items]
Adjustment of the most recent annual CTC funding amount (greater than or equal to)					15.00%
Requested increase (decrease) adjustment to reduce collection of amortization			$ (1,100,000)
Energy efficiency cost recovery factor, total amount requested		$ 6,000,000
Energy efficiency cost recovery factor, performance bonus requested		$ 1,100,000
PUCT \| Subsequent event
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease)	$ 27,500,000
Proposed increase (decrease) in revenues	$ 4,700,000
Advanced Meter System Deployment and Surcharge Request
Public Utilities, General Disclosures [Line Items]
Approved deployment costs				$ 113,400,000
Collection of deployment costs through surcharge period				12 years
Number of advanced meters installed (more than) \| advanced_meter							242
Recovery in cost through initial fees					$ 200,000
Ongoing annual expenses					500,000
Approved non-standard metering ongoing expenses monthly charge					$ 36.78
Presumed number of customers that will elect non-standard meter service (in customers) \| customer					1,081
Advanced Meter System Deployment and Surcharge Request \| Subsequent event
Public Utilities, General Disclosures [Line Items]
Current number of customers that have elected non-standard meter service (in customers) \| customer						102
Advanced Meter System Deployment and Surcharge Request \| Minimum
Public Utilities, General Disclosures [Line Items]
Approved non-standard metering service cost, initial fee range					$ 63.97
Advanced Meter System Deployment and Surcharge Request \| Maximum
Public Utilities, General Disclosures [Line Items]
Approved non-standard metering service cost, initial fee range					$ 168.61