XML 59 R55.htm IDEA: XBRL DOCUMENT  v2.3.0.11

Regulatory and Rate Matters (Details) (USD $)					0 Months Ended									0 Months Ended		1 Months Ended							1 Months Ended			6 Months Ended																	1 Months Ended			1 Months Ended		1 Months Ended			1 Months Ended					3 Months Ended															6 Months Ended
	Jun. 30, 2011 Public Service Company of New Mexico [Member] Maximum [Member] Renewable Portfolio Standard [Member]	May 03, 2010 Public Service Company of New Mexico [Member] Maximum [Member] NMPRC Rulemaking on Disincentives to Energy Efficiency Programs [Member] Per KWh [Member]	Jun. 23, 2011 Public Service Company of New Mexico [Member] Maximum [Member] 2010 Energy Efficiency Application [Member] Per KWh [Member] Originally Filed [Member]	Jun. 23, 2011 Public Service Company of New Mexico [Member] Maximum [Member] 2010 Energy Efficiency Application [Member] Per kilowatt [Member] Originally Filed [Member]	Apr. 15, 2011 Public Service Company of New Mexico [Member] Maximum [Member] Rates For Former TNMP Customers in New Mexico [Member]	Jun. 30, 2011 Public Service Company of New Mexico [Member] Minimum [Member] Renewable Portfolio Standard [Member]	Dec. 31, 2010 Public Service Company of New Mexico [Member] Minimum [Member] Renewable Portfolio Standard [Member] Wind Energy [Member]	Dec. 31, 2010 Public Service Company of New Mexico [Member] Minimum [Member] Renewable Portfolio Standard [Member] Solar Energy [Member]	Dec. 31, 2010 Public Service Company of New Mexico [Member] Minimum [Member] Renewable Portfolio Standard [Member] Renewable Technologies [Member]	Dec. 31, 2010 Public Service Company of New Mexico [Member] Minimum [Member] Renewable Portfolio Standard [Member] Distributed Generation [Member]	May 03, 2010 Public Service Company of New Mexico [Member] Minimum [Member] NMPRC Rulemaking on Disincentives to Energy Efficiency Programs [Member] Per KWh [Member]	Jun. 23, 2011 Public Service Company of New Mexico [Member] Minimum [Member] 2010 Energy Efficiency Application [Member] Per KWh [Member] Amended [Member]	Jun. 23, 2011 Public Service Company of New Mexico [Member] Minimum [Member] 2010 Energy Efficiency Application [Member] Per kilowatt [Member] Amended [Member]	Apr. 15, 2011 Public Service Company of New Mexico [Member] Minimum [Member] Rates For Former TNMP Customers in New Mexico [Member]	Jun. 30, 2011 Public Service Company of New Mexico [Member] Emergency FPPAC [Member]	Apr. 30, 2011 Public Service Company of New Mexico [Member] Renewable Portfolio Standard [Member] mwh	Aug. 31, 2010 Public Service Company of New Mexico [Member] Renewable Portfolio Standard [Member] mw	Jun. 30, 2011 Public Service Company of New Mexico [Member] Renewable Portfolio Standard [Member] mw	Jun. 30, 2011 Public Service Company of New Mexico [Member] Renewable Portfolio Standard [Member] Required Percentage by 2006 [Member]	Jun. 30, 2011 Public Service Company of New Mexico [Member] Renewable Portfolio Standard [Member] Required Percentage by 2011 [Member]	Jun. 30, 2011 Public Service Company of New Mexico [Member] Renewable Portfolio Standard [Member] Required Percentage by 2015 [Member]	Jun. 30, 2011 Public Service Company of New Mexico [Member] Renewable Portfolio Standard [Member] Required Percentage by 2020 [Member]	Jul. 31, 2010 Public Service Company of New Mexico [Member] Renewable Portfolio Standard [Member] Wind Energy [Member] Originally Filed [Member] mwh	Dec. 31, 2010 Public Service Company of New Mexico [Member] Renewable Portfolio Standard [Member] Wind Energy [Member] Amended [Member] mwh	Dec. 06, 2010 Public Service Company of New Mexico [Member] Renewable Portfolio Standard [Member] Wind Energy [Member] Amended [Member]	Jun. 30, 2011 Public Service Company of New Mexico [Member] NMPRC Rulemaking on Disincentives to Energy Efficiency Programs [Member]	Dec. 29, 2010 Public Service Company of New Mexico [Member] NMPRC Rulemaking on Disincentives to Energy Efficiency Programs [Member]	Nov. 29, 2010 Public Service Company of New Mexico [Member] NMPRC Rulemaking on Disincentives to Energy Efficiency Programs [Member]	May 31, 2010 Public Service Company of New Mexico [Member] NMPRC Rulemaking on Disincentives to Energy Efficiency Programs [Member]	May 05, 2010 Public Service Company of New Mexico [Member] NMPRC Rulemaking on Disincentives to Energy Efficiency Programs [Member]	May 03, 2010 Public Service Company of New Mexico [Member] NMPRC Rulemaking on Disincentives to Energy Efficiency Programs [Member] Per kilowatt [Member]	Jun. 30, 2011 Public Service Company of New Mexico [Member] 2010 Energy Efficiency Application [Member]	Sep. 15, 2010 Public Service Company of New Mexico [Member] 2010 Energy Efficiency Application [Member]	Apr. 15, 2011 Public Service Company of New Mexico [Member] 2010 Energy Efficiency Application [Member] Originally Filed [Member]	Apr. 15, 2011 Public Service Company of New Mexico [Member] 2010 Energy Efficiency Application [Member] Amended [Member]	Jun. 30, 2011 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member]	Jun. 21, 2011 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member]	May 31, 2010 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member]	Feb. 03, 2011 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Immediate Enaction [Member]	Feb. 03, 2011 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Enaction Beginning 2012 [Member]	Aug. 08, 2011 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Settlement of Regulatory Matter [Member]	Feb. 03, 2011 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Capital Expenditures [Member]	Jun. 30, 2010 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Pnm North [Member]	Jun. 30, 2010 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Pnm North [Member] Phase One [Member]	May 31, 2010 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Pnm North [Member] Phase One [Member]	Jun. 30, 2010 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Pnm North [Member] Phase Two [Member]	May 31, 2010 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Pnm North [Member] Phase Two [Member]	Jun. 30, 2010 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Pnm South [Member]	Jun. 30, 2010 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Pnm South [Member] Phase One [Member]	May 31, 2010 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Pnm South [Member] Phase One [Member]	Jun. 30, 2010 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Pnm South [Member] Phase Two [Member]	May 31, 2010 Public Service Company of New Mexico [Member] 2010 Electric Rate Case [Member] Pnm South [Member] Phase Two [Member]	Oct. 27, 2010 Public Service Company of New Mexico [Member] Transmission Rate Case [Member]	Jun. 24, 2011 Texas-New Mexico Power Company [Member] Competitive Transition Charge True-Up Proceeding [Member]	Dec. 31, 2004 Texas-New Mexico Power Company [Member] Competitive Transition Charge True-Up Proceeding [Member] Stranded Costs [Member]	Jun. 30, 2011 Texas-New Mexico Power Company [Member] Interest Rate Compliance Tariff [Member]	Jan. 31, 2008 Texas-New Mexico Power Company [Member] Interest Rate Compliance Tariff [Member]	May 18, 2011 Texas-New Mexico Power Company [Member] Advanced Meter System Deployment and Surcharge Request [Member]	Feb. 26, 2011 Texas-New Mexico Power Company [Member] Advanced Meter System Deployment and Surcharge Request [Member]	May 26, 2010 Texas-New Mexico Power Company [Member] Advanced Meter System Deployment and Surcharge Request [Member]	Feb. 26, 2011 Texas-New Mexico Power Company [Member] Advanced Meter System Deployment and Surcharge Request [Member] Capital Expenditures [Member]	May 26, 2010 Texas-New Mexico Power Company [Member] Advanced Meter System Deployment and Surcharge Request [Member] Capital Expenditures [Member]	Jan. 27, 2011 Texas-New Mexico Power Company [Member] Rate Case, 2010 [Member]	Aug. 26, 2010 Texas-New Mexico Power Company [Member] Rate Case, 2010 [Member]	May 26, 2011 Texas-New Mexico Power Company [Member] Rate Case Expense Proceeding, 2010 [Member]	Aug. 02, 2011 Texas-New Mexico Power Company [Member] Energy Efficiency [Member]	Jun. 23, 2011 Texas-New Mexico Power Company [Member] Energy Efficiency [Member]	Apr. 29, 2011 Texas-New Mexico Power Company [Member] Energy Efficiency [Member]	Aug. 02, 2011 Texas-New Mexico Power Company [Member] Energy Efficiency [Member] Related to Performance Goal [Member]	Apr. 29, 2011 Texas-New Mexico Power Company [Member] Energy Efficiency [Member] Related to Performance Goal [Member]	Jun. 30, 2011 Texas-New Mexico Power Company [Member] Energy Efficiency [Member] Originally Filed [Member] mw	Jun. 30, 2011 Texas-New Mexico Power Company [Member] Energy Efficiency [Member] Amended [Member] mw
Rate Matters [Line Items]
Amount of Regulatory Costs Not yet Approved															$ 8,000,000			$ 20,300,000							$ 5,500,000					$ 6,200,000			$ 32,900,000					$ 165,200,000				$ 20,000,000			$ 111,100,000		$ 41,700,000			$ 8,700,000		$ 3,600,000	$ 11,100,000						$ 126,100,000	$ 157,900,000	$ 70,200,000	$ 70,600,000		$ 20,100,000				$ 4,400,000		$ 300,000
Public Utilities, Required Percentage of Renewable Energy in Portfolio to Electric Sales																			5.00%	10.00%	15.00%	20.00%
Public Utilities, Required Percentage of Diversification							20.00%	20.00%	10.00%	1.50%
Public Utilities, Reasonable Cost Threshold	3.00%					2.00%
Public Utilities, Annual Incremental Increase in Reasonable Cost Threshold																		0.25%
Public Utilities, Procurment of Energy, Nonmonetary																	22						250,000	423,860
Public Utilities, Regulatory Costs Approved																		107,700,000										4,200,000					31,400,000								72,100,000																	113,300,000					10,250,000		2,800,000	3,400,000			300,000
Public Utilities, Current Operational Usage																		7
Public Utilities, Estimated Operational Usage in Current Fiscal Year																		22
Public Utilities, Maximum Capacity Of Request For Proposal For Renewable Energy And Renewable Energy Certificates Issued																360,000
Public Utilities, Rate Adder Allowed		0.01	0.005	10							0.005	0.002	4																		10	0.03018		0.02441	0.02839
Public Utilities, Regulatory Rate Recommended For Recovery																													4,200,000								85,000,000
Public Utilities, Rate Rider to be Implemented																											4,200,000					22,800,000
Public Utilities, Rate Rider Recovered																										1,900,000
Public Utilities, Adder Revenue to be Implemented																																5,700,000
Public Utilities, Rate Adder Revenue Not Recovered From Previous Year																																1,900,000
Public Utilities, Rate Rider Adjustment																																			2,600,000
Public Utilities, Regulatory Costs That Have Exceeded Approved Costs																																1,400,000
Public Utilities, Percent of Regulatory Costs in Excess of Approved																																0.25
Public Utilities, Regulatory Rate Increase					0.56									0.40																													0.22	0.16		0.06		0.20	0.14		0.06
Public Utilities, Regulatory Costs Proposed, Stipulation Increase																																							45,000,000	40,000,000
Public Utilities, Collection of Regulatory Costs Forgoed of Under Collected Amount																																				10,000,000
Regulatory Assets																																																							87,300,000
Regulatory Assets, Proposed by Company																																																						0
Public Utilities, Proposed Rate																																																									0.0831
Public Utilities, Regulatory Disallowance Before Income Taxes																																																								3,900,000
Public Utilities, Return on Equity																																																															0.10125
Public Utitlities, Debt to Equity Capital Structure, Debt																																																															0.55
Public Utilities, Debt to Equity Capital Structure, Equity																																																															0.45
Amount of Regulatory Costs Not Included From Original Filing																																																																			$ 400,000
Demand Savings Goal																																																																							5.9	4.8

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 71
-Paragraph 9, 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382

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