Wisconsin Public Service Corp (107833) SEC Filing 10-K Annual Report for the fiscal year ending Friday, December 31, 2021

Audit Information

Cover Page

Balance Sheets

Balance Sheets (Parenthetical)

Income Statements

Statements Of Cash Flows

Statements Of Equity

Acquisition - Whitewater (Details)

Acquisitions

Asset Retirement Obligations

Asset Retirement Obligations (Details)

Asset Retirement Obligations (Tables)

Commitments And Contingencies

Commitments And Contingencies (Tables)

Commitments And Contingencies - Environmental Matters (Details)

Commitments And Contingencies - Unconditional Purchase Obligations (Details)

Common Equity

Common Equity (Tables)

Common Equity - Dividend Restrictions (Details)

Common Equity - Performance Units (Details)

Common Equity - Restricted Shares (Details)

Common Equity - Stock Options (Details)

Common Equity - Stock-Based Compensation Expense (Details)

Credit Losses

Credit Losses (Tables)

Credit Losses - Gross Receivables And Related Allowances (Details)

Credit Losses - Rollforward Of Allowances (Details)

Derivative Instruments

Derivative Instruments (Tables)

Derivative Instruments - Balance Sheet Offsetting (Details)

Derivative Instruments - Derivative Assets And Liabilities (Details)

Derivative Instruments - Gains (Losses) And Notional Volumes (Details)

Employee Benefits

Employee Benefits (Tables)

Employee Benefits - Accumulated Benefit Obligations (Details)

Employee Benefits - Amounts Not Yet Recognized In Net Periodic Benefit Cost (Details)

Employee Benefits - Amounts Recognized On The Balance Sheets (Details)

Employee Benefits - Assumptions (Details)

Employee Benefits - Cash Flows (Details)

Employee Benefits - Change In Benefit Obligation And Plan Assets (Details)

Employee Benefits - Defined Contribution Benefit Plans (Details)

Employee Benefits - Net Periodic Benefit Cost (Credit) (Detail)

Employee Benefits - Plan Assets (Details)

Employee Benefits - Target Asset Allocations (Details)

Fair Value Measurements

Fair Value Measurements (Tables)

Fair Value Measurements - Assets And Liabilities Measured On A Recurring Basis (Details)

Fair Value Measurements - Financial Instruments (Details)

Fair Value Measurements - Level 3 Reconciliation (Details)

Goodwill

Goodwill (Details)

Income Taxes

Income Taxes (Tables)

Income Taxes - Components Of Deferred Income Taxes (Details)

Income Taxes - Statutory Rate Reconciliation (Details)

Income Taxes - Summary Of Income Tax Expense (Details)

Income Taxes - Summary Of Operating Loss Carryforwards (Details)

Income Taxes - Unrecognized Tax Benefits (Details)

Jointly Owned Utility Facilities

Jointly Owned Utility Facilities (Details)

Jointly Owned Utility Facilities (Tables)

Leases

Leases (Tables)

Leases - Badger Hollow Solar Park I (Details)

Leases - Future Minimum Lease Payments (Details)

Leases - Other Information (Details)

Leases - Right Of Use Assets (Details)

Leases - Two Creeks Solar Park (Details)

Long-Term Debt

Long-Term Debt (Details)

Long-Term Debt (Tables)

New Accounting Pronouncements

Operating Revenues

Operating Revenues (Tables)

Operating Revenues - Disaggregation Of Electric Utility Operating Revenues By Customer Class (Details)

Operating Revenues - Disaggregation Of Natural Gas Utility Operating Revenues By Customer Class (Details)

Operating Revenues - Disaggregation Of Operating Revenues By Segment (Details)

Operating Revenues - Other Operating Revenues (Details)

Other Income, Net

Other Income, Net (Details)

Other Income, Net (Tables)

Preferred Stock

Preferred Stock (Details)

Property, Plant, And Equipment

Property, Plant, And Equipment (Tables)

Property, Plant, And Equipment - Balances (Details)

Property, Plant, And Equipment - Severance Liability (Details)

Regulatory Assets And Liabilities

Regulatory Assets And Liabilities (Tables)

Regulatory Assets And Liabilities - Plant Retirements (Details)

Regulatory Assets And Liabilities - Regulatory Assets (Details)

Regulatory Assets And Liabilities - Regulatory Liabilities (Details)

Regulatory Environment

Regulatory Environment (Tables)

Regulatory Environment - 2022 Rates (Details)

Regulatory Environment - Covid-19 (Details)

Regulatory Environment - Recovery Of Natural Gas Costs (Details)

Regulatory Environment - Wi 2020 And 2021 Rates (Details)

Related Parties

Related Parties (Tables)

Related Parties - Other Transactions (Details)

Related Parties - Receivables And Payables With Atc (Details)

Schedule Ii - Valuation And Qualifying Accounts

Schedule Ii - Valuation And Qualifying Accounts (Details)

Segments Information

Segments Information (Details)

Segments Information (Tables)

Short-Term Debt And Lines Of Credit

Short-Term Debt And Lines Of Credit (Tables)

Short-Term Debt And Lines Of Credit - Credit Facilities (Details)

Short-Term Debt And Lines Of Credit Outstanding (Details)

Summary Of Significant Accounting Policies

Summary Of Significant Accounting Policies (Policies)

Summary Of Significant Accounting Policies (Tables)

Summary Of Significant Accounting Policies - Leases (Details)

Summary Of Significant Accounting Policies Afudc (Details)

Summary Of Significant Accounting Policies Cash And Cash Equivalents (Details)

Summary Of Significant Accounting Policies Credit Losses (Details)

Summary Of Significant Accounting Policies Customer Concentration Of Credit Risk (Details)

Summary Of Significant Accounting Policies Guarantees (Details)

Summary Of Significant Accounting Policies Materials, Supplies, And Inventories (Details)

Summary Of Significant Accounting Policies Operating Revenues (Details)

Summary Of Significant Accounting Policies Property, Plant, And Equipment (Details)

Summary Of Significant Accounting Policies Stock-Based Compensation (Details)

Supplemental Cash Flow Information

Supplemental Cash Flow Information (Details)

Supplemental Cash Flow Information (Tables)