MONROE, Mich. (AP) _ Detroit Edison Co. could be fined up to $100,000 for each of 26 operating violations found at the Fermi II nuclear power plant last year, the Nuclear Regulatory Commission says.

''The number and nature of the violations are significant, but none of them represented a direct health and safety violation,'' Jan Strasma, NRC spokesman, said Friday at the agency's regional office in Glen Ellyn, Ill.

An NRC inspection report said at least seven of the violations were serious and ''collectively represented a breakdown in the licensee's administrative and management controls designed to safely operate the plant.''

The report covers operations July 1 through Oct. 15 at the plant, which has not yet been brought into full electricity production. The NRC has given Edison until Jan. 23 to prepare a plan for eliminating errors in plant operations.

''There is really no new information in the report that we can see, nor do we have any major disagreements with the presentation of the facts in the report,'' said Lorrie Kessler, Detroit Edison spokeswoman.

The plant has been shut down for maintenance since Oct. 10, and Ms. Kessler said testing would likely resume by the end of January after technicians solve problems with stress on emergency diesel generator bearings.

The NRC report said seven of the violations involved failures that would limit the plant's ability to operate.