Auditor General Nancy Gathungu had in her report said there was no evidence the unnamed consultant delivered the assignment to warrant the payment.
In his responses, Dr Siror defended the payments, arguing that supervision of the last-mile project was milestone-based rather than continuous.
Parliament has directed Kenya Power Company to recover Sh274 million that it paid to a consultant who supervised the last-mile connectivity project.
The National Assembly’s Public Investment Committee on Commercial and Energy Affairs demanded that the electricity distributor provide a detailed list of all consultants it hired to supervise the project and proof of their engagement.