**Exhibit 12.2**

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**302CERTIFICATION**

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I, Alfredo Ergas S.,certify that:

 

1.   I have reviewed this annual report on Form 20-Fof ENERSIS S.A.;

 

2.   Based on my knowledge, this report does not containany untrue statement of a material fact or omit to state a material factnecessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the periodcovered by this report;

 

3.   Based on my knowledge, the financial statements, andother financial information included in this report, fairly present in allmaterial respects the financial condition, results of operations and cash flowsof the company as of, and for, the periods presented in this report;

 

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)) andinternal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and15d-15(f)) for the company and have:

 

(a)designed suchdisclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that materialinformation relating to the company, including its consolidated subsidiaries,is made known to us by others within those entities, particularly during theperiod in which this report is being prepared;

 

(b)designed such internalcontrol over financial reporting, or caused such internal control overfinancial reporting to be designed under our supervision, to provide reasonableassurance regarding the reliability of financial reporting and the preparationof financial statements for external purposes in accordance with generallyaccepted accounting principles;

 

(c)evaluated theeffectiveness of the company’s disclosure controls and procedures and presentedin this report our conclusions about the effectiveness of the disclosurecontrols and procedures, as of the end of the period covered by this reportbased on such evaluation; and

 

(d)disclosed in thisreport any change in the company’s internal control over financial reportingthat occurred during the period covered by the annual report that hasmaterially affected, or is reasonably likely to materially affect, the company’sinternal control over financial reporting; and

 

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

 

(a)         all significant deficiencies and material weaknessesin the design or operation of internal control over financial reporting whichare reasonably likely to adversely affect the company’s ability to record,process, summarize and report financial information; and

 

(b)        any fraud, whether or not material, that involvesmanagement or other employees who have a significant role in the company’sinternal control over financial reporting.

 

Date: June 8, 2009.

 
|   | /s/ Alfredo Ergas S.    |
|--------|-------------------------|
|   | Alfredo Ergas S.        |
|   | Chief Financial Officer |

 

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