| ASSETS |
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| Current Assets: |
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| Cash and cash equivalents |
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| Union Electric Company |
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| Ameren Illinois Company |
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Total cash and cash equivalents
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| Advances to money pool |
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| Union Electric Company |
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| Ameren Illinois Company |
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| Advances to money pool |
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| Restricted Cash |
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| Advances to money pool |
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| Union Electric Company |
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| Ameren Illinois Company |
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| Accounts receivable - trade (less allowance for doubtful accounts) |
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| Union Electric Company |
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| Ameren Illinois Company |
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Total accounts receivable - trade (less allowance for doubtful accounts)
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| Accounts receivable – affiliates |
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| Union Electric Company |
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| Ameren Illinois Company |
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| Unbilled revenue |
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| Union Electric Company |
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| Ameren Illinois Company |
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| Total unbilled revenue |
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| Miscellaneous accounts receivable |
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| Union Electric Company |
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| Ameren Illinois Company |
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Total miscellaneous accounts receivable
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| Inventories |
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| Union Electric Company |
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|
| Ameren Illinois Company |
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Total inventories
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| Mark-to-market derivative assets |
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|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
| Ameren Illinois Company |
|
|
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| Total mark-to-market derivative assets |
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| Prepaid assets |
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| Current regulatory assets |
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|
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| Union Electric Company |
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|
|
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|
|
|
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|
| Ameren Illinois Company |
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|
|
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|
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| Total current regulatory assets |
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| Investments in Industrial Development Revenue Bonds |
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|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
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| Total investments in Industrial Development Revenue Bonds |
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| Current collateral assets |
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|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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| Total current collateral assets |
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| Other current assets |
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
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| Variable Interest Entity, Primary Beneficiary |
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|
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Total other current assets
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|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
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|
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|
| Ameren Illinois Company |
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|
|
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|
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|
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|
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|
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|
Total current assets
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|
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| Property, Plant, and Equipment, Net |
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|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
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|
Total property, Plant, and Equipment, Net
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| Investments and Other Assets: |
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|
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| Nuclear decommissioning trust fund |
|
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|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total nuclear decommissioning trust fund |
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
| Goodwill |
|
|
|
|
|
|
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|
|
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|
|
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|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
Total goodwill
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Regulatory Asset |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Variable Interest Entity, Primary Beneficiary |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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| Total regulatory Asset |
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Pension and other postretirement benefits |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
| Total pension and other postretirement benefits |
|
|
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|
|
|
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|
|
|
|
|
|
|
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|
|
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|
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| Other assets |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total other assets
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total investments and other assets |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
TOTAL ASSETS
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| LIABILITIES AND EQUITY |
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
| Current Liabilities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Current maturities of long-term debt |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Variable Interest Entity, Primary Beneficiary |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total current maturities of long-term debt
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Short-term debt |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total short-term debt
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Borrowings from money pool |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Borrowings from money pool |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Accounts and wages payable |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total accounts and wages payable
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Accounts payable – affiliates |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Taxes accrued |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total taxes accrued |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Interest accrued |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total interest accrued |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Current asset retirement obligations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total current asset retirement obligations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Customer deposits |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total customer deposits
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Current environmental remediation |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Zero emission credit liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Purchase of receivables liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Mark-to-market derivative liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Current regulatory liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total current regulatory liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Retainage payable |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other current liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total other current liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total current liabilities
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Long-term debt, net |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Variable Interest Entity, Primary Beneficiary |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total long-term debt, net
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Deferred Credits and Other Liabilities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Accumulated deferred income taxes and tax credits, net |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total accumulated deferred income taxes and tax credits, net |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Regulatory liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total regulatory liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Asset retirement obligations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total asset retirement obligations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Pension and other postretirement benefits |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total pension and other postretirement benefits |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Environmental remediation |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other deferred credits and liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total other deferred credits and liabilities
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total deferred credits and other liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Shareholders’ Equity: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common Stock |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total common Stock
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other paid-in capital, principally premium on common stock |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total other paid-in capital, principally premium on common stock |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Preferred stock |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Retained earnings |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total retained earnings
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Accumulated other comprehensive income |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total shareholders’ equity
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Noncontrolling Interests |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Union Electric Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ameren Illinois Company |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
TOTAL LIABILITIES AND EQUITY
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
