v3.26.1
Employee Benefit Plan, Schedule, Asset Held for Investment (Details) - XCEL NMC SRP - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Schedule of Asset Held for Investment
Schedule of Assets (Held at Year End)
As of Dec. 31, 2025

Nuclear Management Company, LLC NMC Savings and Retirement Plan, EIN: 41-0448030 Plan 012
Attachment to Form 5500, Schedule H, Part IV, Line 4(i)
Identity of Issue, Borrower, Lessor, or Similar PartyDescription of Investment, Including Maturity Date, Rate of Interest, Collateral, and Par or Maturity ValueCost **Current Value
*
VanguardVanguard Institutional 500 Index Trust
**
$66,116,582 
*
VanguardVanguard Federal Money Market
**
17,704,946 
*
VanguardVanguard Small Cap Index Fund Institutional Plus Shares
**
17,248,228 
*
VanguardVanguard Developed Market Index Institutional Plus
**
12,765,221 
***
Self-Directed Brokerage Fund
**
12,016,692 
*
VanguardVanguard Mid-Cap Index Fund Institutional Plus Shares
**
11,527,703 
*
VanguardVanguard PRIMECAP Fund Admiral Shares
**
9,298,194 
*
VanguardVanguard Target Retirement 2045 Trust Plus
**
9,119,701 
*
VanguardVanguard Target Retirement 2030 Trust Plus
**
7,899,618 
BlackRockBlackRock Total Return Bond Fund; Class M
**
7,482,667 
*
VanguardVanguard Institutional Total Bond Market Index Trust
**
7,370,427 
*
VanguardVanguard Target Retirement 2040 Trust Plus
**
6,835,601 
*
VanguardVanguard Target Retirement Income Trust Plus
**
5,673,357 
*
VanguardVanguard Target Retirement 2035 Trust Plus
**
5,620,449 
*
VanguardVanguard Target Retirement 2020 Trust Plus
**
4,323,459 
*
VanguardVanguard Target Retirement 2025 Trust Plus
**
3,961,288 
*
VanguardVanguard Emerging Markets Stock Index Fund Institutional Shares
**
3,704,853 
*
VanguardVanguard Target Retirement 2050 Trust Plus
**
3,439,299 
*
VanguardVanguard Target Retirement 2055 Trust Plus
**
2,195,396 
*
VanguardVanguard Institutional Extended Market Index Trust
**
987,520 
*
Vanguard
Vanguard Target Retirement 2060 Trust Plus
**
625,372 
*
VanguardVanguard Target Retirement 2065 Trust Plus
**
135,225 
*
VanguardVanguard Target Retirement Income and Growth Trust Plus
**
37,374 
*
Notes receivable from participants, net of deemed distributions of $18,471 — Interest rates from 4.25% to 9.50% with maturities ranging from 2026 to 2037
**
744,267 
Total Investments$216,833,439 
*
Party in Interest
**
Historical cost is not required for participant-directed funds.
***$3,153,794 is invested in Vanguard managed securities.
  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 216,833,439  
EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution 744,267  
EBP, Reconciliation to Form 5500, Payment to Participant, Increase (Decrease) from Deemed Distribution $ (18,471) $ (18,471)
Minimum    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Participant Loan, Interest Rate   4.25%
Maximum    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Participant Loan, Interest Rate 9.50% 9.50%
Vanguard Mid-Cap Index Fund Institutional Plus Shares    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 11,527,703  
Vanguard PRIMECAP Fund Admiral Shares    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 9,298,194  
Vanguard Institutional Total Bond Market Index Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 7,370,427  
Vanguard Developed Market Index Institutional Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 12,765,221  
Vanguard Small Cap Index Fund Institutional Plus Shares    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 17,248,228  
Vanguard Target Retirement 2045 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 9,119,701  
Vanguard Federal Money Market    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 17,704,946  
Vanguard Target Retirement 2050 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 3,439,299  
Vanguard Target Retirement 2030 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 7,899,618  
Vanguard Target Retirement 2035 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 5,620,449  
Vanguard Target Retirement 2040 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 6,835,601  
Vanguard Target Retirement 2025 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 3,961,288  
Self-Directed Brokerage Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 12,016,692  
BlackRock Total Return Bond Fund; Class M    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 7,482,667  
Vanguard Target Retirement 2055 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 2,195,396  
Vanguard Emerging Markets Stock Index Fund Institutional Shares    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 3,704,853  
Vanguard Target Retirement 2020 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 4,323,459  
Vanguard Target Retirement 2060 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 625,372  
Vanguard Target Retirement Income Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 5,673,357  
Vanguard Institutional Extended Market Index Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 987,520  
Vanguard Target Retirement 2065 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 135,225  
Vanguard Target Retirement Income and Growth Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value 37,374  
Vanguard Institutional 500 Index Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 66,116,582