**Exhibit 12.2**

**CERTIFICATION**

I,      LuizFernando Rolla, certify that:

1.    Ihave reviewed this annual report on Form 20-F of CEMIG;

2. Based on my knowledge, this report does notcontain any untrue statement of a material fact or omit to state a materialfact necessary in order to make the statements made, in light of thecircumstances under which such statements were made, not misleading withrespect to the period covered by this report;

3. Based on my knowledge, the financialstatements, and other financial information included in this report, fairlypresent in all material respects the financial condition, results of operationsand cash flows of the registrant as of, and for, the periods presented in thisreport;

4. The company’s other certifying officer and I areresponsible for establishing and maintaining disclosure controls and procedures(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e))and internal control over financial reporting (as defined in Exchange Act Rules13a-15(f) and 15d-15(f)) for the company and have:

a. designed such disclosure controls and procedures, or caused suchdisclosure controls and procedures to be designed under our supervision, toensure that material information relating to the company, including itsconsolidated subsidiaries, is made known to us by others within those entities,particularly during the period in which this report is being prepared;

b. designed such internal control over financial reporting, or causedsuch internal control over financial reporting to be designed under oursupervision, to provide reasonable assurance regarding the reliability offinancial reporting and the preparation of financial statements for externalpurposes in accordance with generally accepted accounting principles;

c. evaluated the effectiveness of the company’s disclosure controls andprocedures and presented in this report our conclusions about the effectivenessof the disclosure controls and procedures, as of the end of the period coveredby this report based on such evaluation; and

d. disclosed in this report any change in the company’s internalcontrol over financial reporting that occurred during the period covered by theannual report that has materially affected, or is reasonably likely tomaterially affect, the company’s internal control over financial reporting; and

5. The company’s other certifying officer and Ihave disclosed, based on our most recent evaluation of internal control overfinancial reporting, to the company’s auditors and the audit committee ofcompany’s board of directors (or persons performing the equivalent functions):

a. all significant deficiencies and material weaknesses in the designor operation of internal controls over financial reporting which are reasonablylikely to adversely affect the company’s ability to record, process, summarizeand report financial information; and

b. any fraud, whether or not material, that involves management orother employees who have a significant role in the company’s internal controlover financial reporting.
|                           |   | /s/ Luiz Fernando Rolla |   |
|---------------------------|--------|-------------------------|--------|
|                      |   | Name:                   |   | Luiz Fernando Rolla |
|                      |   | Title:                  |   | Chief Financial and Investor Relations |
| Date:  July 23, 2007 |   |                    |   | Officer |
|                           |        |                         |        |  |  |

 

A signed originalof this written statement required by Section 302 of the Sarbanes-OxleyAct of 2002 has been provided to the Company and will be retained by theCompany and furnished to the Securities and Exchange Commission or its staffupon request.

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