Attached files

file filename
8-K - FORM 8-K - Ameren Illinois Cod8k.htm
EX-4.9 - SUPPLEMENT INDENTURE - Ameren Illinois Codex49.htm
EX-4.3 - INSTRUMENT OF ASSUMPTION - Ameren Illinois Codex43.htm
EX-4.2 - INSTRUMENT OF ASSUMPTION - Ameren Illinois Codex42.htm
EX-4.6 - INSTRUMENT OF ASSUMPTION - Ameren Illinois Codex46.htm
EX-4.1 - FIRST SUPPLEMENTAL INDENTURE - Ameren Illinois Codex41.htm
EX-4.7 - INSTRUMENT OF ASSUMPTION - Ameren Illinois Codex47.htm
EX-4.5 - FIRST SUPPLEMENTAL INDENTURE - Ameren Illinois Codex45.htm
EX-4.8 - INSTRUMENT OF ASSUMPTION - Ameren Illinois Codex48.htm
EX-4.4 - INDENTURE - Ameren Illinois Codex44.htm
EX-23.2 - CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - Ameren Illinois Codex232.htm
EX-99.1 - UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS - Ameren Illinois Codex991.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-3 (No. 333-155416-03) of Central Illinois Public Service Company of our report dated February 26, 2010 relating to the financial statements of Illinois Power Company, which is incorporated by reference in this Current Report on Form 8-K of Ameren Illinois Company dated October 7, 2010.

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

St. Louis, Missouri

October 7, 2010