The two firms have been sorting out the mess at TXU since it collapsed nearly two years ago and have already been paid combined fees of £35m, the Daily Telegraph said.
Many creditors, though, are still waiting for their money.
A TXU Europe Group document shows that in the six months to May 18, Ernst & Young netted £3.9m, KPMG picked up £3.6m and lawyers Herbert Smith received £2.2m
KPMG, Ernst & Young and Herbert Smith do not comment on fees.
The total fees bill is expected to total £85m.
HMRC breaches client confidentiality; and partner profits fall at EY. These stories and more discussed in Friday Afternoon Live
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