**Exhibit        31.2**

**Certification**

| 1.     | I                  have                  reviewed this quarterly report on Form 10-Q of FirstEnergy Corp.,                  Ohio                  Edison Company, The Cleveland Electric Illuminating Company, The                  Toledo                  Edison Company, Pennsylvania Power Company, Jersey Central Power&                  Light Company, Metropolitan Edison Company and Pennsylvania Electric                  Company;                                                        |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 2.     | Based                  on my                  knowledge, this quarterly report does not contain any untrue statement                  of                  a material fact or omit to state a material fact necessary to make                  the                  statements made, in light of the circumstances under which such                  statements                  were made, not misleading with respect to the period covered by                  this                  quarterly report; |
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 3.     | Based                  on my                  knowledge, the financial statements, and other financial information                  included in this quarterly report, fairly present in all material                  respects                  the financial condition, results of operations and cash flows of                  each                  registrant as of, and for, the periods presented in this quarterly                  report;                                                     |
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 4.     | Each                  registrant’s other certifying officer and I are responsible 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 Rules                  13a-15(f) and 15d-15(f) for such registrant and we                  have:                                    |

| a)     | designed                  such                  disclosure controls and procedures, or caused such disclosure controls                  and                  procedures to be designed under our supervision, to ensure that                  material                  information relating to such registrant, including its consolidated                  subsidiaries, is made known to us by others within those entities,                  particularly during the period in which this quarterly report is                  being                  prepared; |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| b)     | designed                  such                  internal control over financial reporting, or caused such internal                  control                  over financial reporting to be designed under our supervision,                  to provide                  reasonable assurance regarding the reliability of financial reporting                  and                  the preparation of financial statements for external purposes in                  accordance with generally accepted accounting                  principles;                   |
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| c)     | evaluated                  the                  effectiveness of such registrant's disclosure controls and procedures                  and                  presented in this report our conclusions about the effectiveness                  of the                  disclosure controls and procedures, as of the end of the period                  covered by                  this report based on such evaluation; and                                                                                                                                        |
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| d)     | disclosed                  in                  this report any change in such registrant's internal control over                  financial reporting that occurred during such registrant's most                  recent                  fiscal quarter that has materially affected, or is reasonably likely                  to                  materially affect, such registrant's internal control over financial                  reporting; and                                                                                                           |

| 5. | Each                  registrant’s other certifying officer and I have disclosed, based on our                  most recent evaluation of internal control over financial reporting,                  to                  such registrant’s auditors and the audit committee of such registrant’s                  board of directors (or persons performing the equivalent                  function): |
|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| a)     | all                  significant deficiencies and material weaknesses in the design                  or                  operation of internal control over financial reporting which are                  reasonably likely to adversely affect such registrant's ability                  to record,                  process, summarize and report financial data; and |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                                                                                                                                                                                                                                      |
| b)     | any                  fraud,                  whether or not material, that involves management or other employees                  who                  have a significant role in such registrant’s internal control over                  financial reporting.                                                                                                    |

|   |                                                     |
|--------|----------------------------------------------------------|
|   |                                                     |
|   |                                                     |
|   | /s/ Richard                  H. Marsh               |
|   |  Richard                  H.                  Marsh |
|   |  Chief                  Financial Officer           |

----