00000001 - Document - Document and Entity Information
link:presentationLink
link:calculationLink
link:definitionLink
00000002 - Statement - Consolidated Balance Sheets
link:presentationLink
link:calculationLink
link:definitionLink
00000003 - Statement - Consolidated Balance Sheets (Parenthetical)
link:presentationLink
link:calculationLink
link:definitionLink
00000004 - Statement - Consolidated Statements of Income
link:presentationLink
link:calculationLink
link:definitionLink
00000005 - Statement - Consolidated Statements of Comprehensive Income
link:presentationLink
link:calculationLink
link:definitionLink
00000006 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical)
link:presentationLink
link:calculationLink
link:definitionLink
00000007 - Statement - Consolidated Statements of Stockholders' Equity
link:presentationLink
link:calculationLink
link:definitionLink
00000008 - Statement - Consolidated Statements of Cash Flows
link:presentationLink
link:calculationLink
link:definitionLink
00000009 - Disclosure - Summary of Significant Accounting Policies
link:presentationLink
link:calculationLink
link:definitionLink
00000010 - Disclosure - Major Customers
link:presentationLink
link:calculationLink
link:definitionLink
00000011 - Disclosure - Property, Plant and Equipment
link:presentationLink
link:calculationLink
link:definitionLink
00000012 - Disclosure - Marketable Securities
link:presentationLink
link:calculationLink
link:definitionLink
00000013 - Disclosure - Regulatory Matters
link:presentationLink
link:calculationLink
link:definitionLink
00000014 - Disclosure - Long-term Debt
link:presentationLink
link:calculationLink
link:definitionLink
00000015 - Disclosure - Lines of Credit and Short Term Debt
link:presentationLink
link:calculationLink
link:definitionLink
00000016 - Disclosure - Preferred Stock
link:presentationLink
link:calculationLink
link:definitionLink
00000017 - Disclosure - Stockholders Equity
link:presentationLink
link:calculationLink
link:definitionLink
00000018 - Disclosure - Investment in Joint Ventures
link:presentationLink
link:calculationLink
link:definitionLink
00000019 - Disclosure - Income Taxes
link:presentationLink
link:calculationLink
link:definitionLink
00000020 - Disclosure - Pension and Other Post-retirement Benefit Plans
link:presentationLink
link:calculationLink
link:definitionLink
00000021 - Disclosure - Acquisition of Pike County Light & Power Company
link:presentationLink
link:calculationLink
link:definitionLink
00000022 - Disclosure - Segment Reporting
link:presentationLink
link:calculationLink
link:definitionLink
00000023 - Disclosure - Stock Options
link:presentationLink
link:calculationLink
link:definitionLink
00000024 - Disclosure - Commitments
link:presentationLink
link:calculationLink
link:definitionLink
00000025 - Disclosure - Related Party Transactions
link:presentationLink
link:calculationLink
link:definitionLink
00000026 - Disclosure - Subsequent Events
link:presentationLink
link:calculationLink
link:definitionLink
00000027 - Disclosure - Summary of Significant Accounting Policies (Policies)
link:presentationLink
link:calculationLink
link:definitionLink
00000028 - Disclosure - Summary of Significant Accounting Policies (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
00000029 - Disclosure - Property, Plant and Equipment (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
00000030 - Disclosure - Marketable Securities (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
00000031 - Disclosure - Regulatory Matters (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
00000032 - Disclosure - Long-term Debt (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
00000033 - Disclosure - Investment in Joint Ventures (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
00000034 - Disclosure - Income Taxes (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
00000035 - Disclosure - Pension and Other Post-retirement Benefit Plans (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
00000036 - Disclosure - Acquisition of Pike County Light & Power Company (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
00000037 - Disclosure - Segment Reporting (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
00000038 - Disclosure - Stock Options (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
00000039 - Disclosure - Summary of Significant Accounting Policies (Narrative) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000040 - Disclosure - Summary of Significant Accounting Policies (Schedule of Fair Value of Assets and Liabilities) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000041 - Disclosure - Summary of Significant Accounting Policies (Net income and average shares outstanding earnings per share) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000042 - Disclosure - Property, Plant and Equipment (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000043 - Disclosure - Marketable Securites (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000046 - Disclosure - Regulatory Matters (Narrative) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000047 - Disclosure - Long-term Debt (Narrative) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000048 - Disclosure - Long-term Debt (Schedule of Long-term Debt) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000049 - Disclosure - Long-term Debt (Schedule of Aggregates of Long-term Debt) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000050 - Disclosure - Lines of Credit and Short Term Debt (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000051 - Disclosure - Preferred Stock (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000052 - Disclosure - Stockholders Equity (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000053 - Disclosure - Investment in Joint Ventures (Narrative) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000054 - Disclosure - Investment in Joint Ventures (Schedule of Investment Activity) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000055 - Disclosure - Income Taxes (Narrative) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000056 - Disclosure - Income Taxes (Schedule of Deferred and Current Income Tax Expense) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000057 - Disclosure - Income Taxes (Schedule of Income Tax Reconciliation) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000058 - Disclosure - Income Taxes (Schedule of Income Tax Assets and Liabilities) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000059 - Disclosure - Pension and Other Post-retirement Benefit Plans (Narrative) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000060 - Disclosure - Pension and Other Post-retirement Benefit Plans (Schedule of Pension and Post-retirement Plan Benefits Reconciliation) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000061 - Disclosure - Pension and Other Post-retirement Benefit Plans (Schedule of Fair Value of Plan Assets) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000062 - Disclosure - Pension and Other Post-retirement Benefit Plans (Schedule of Amortization of Unrecognized Net (Gain)/Loss for Retirement Plan) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000063 - Disclosure - Pension and Other Post-retirement Benefit Plans (Schedule of Net Period Benefit Cost (Benefit)) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000064 - Disclosure - Pension and Other Post-retirement Benefit Plans (Schedule of Weighted Average Assumptions) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000065 - Disclosure - Pension and Other Post-retirement Benefit Plans (Schedule of Estimated Plan Benefit Payments) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000066 - Disclosure - Acquisition of Pike County Light & Power Company (Narrative) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000067 - Disclosure - Acquisition of Pike County Light & Power Company (Summary of fair value of assets acquired and liabilities) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000068 - Disclosure - Acquisition of Pike County Light & Power Company (Summary of Acqusition occurred) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000069 - Disclosure - Segment Reporting (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000070 - Disclosure - Stock Options (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000071 - Disclosure - Commitments (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000072 - Disclosure - Related Party Transactions (Details)
link:presentationLink
link:calculationLink
link:definitionLink
00000073 - Disclosure - Subsequent Events (Details)
link:presentationLink
link:calculationLink
link:definitionLink