united utilities group plc said tuesday that revenue for both the first half and the full fiscal year ending march 31 are expected to be lower on year amid the inflationary environment and higher power prices the company which provides water and wastewater services in northwest england said firsthalf revenue is expected to be around 1 lower on year due to moderately lower than forecast consumption lower consumption is seen to continue into the second half hitting fullyear revenue which is expected to be lower than guidance underlying operating costs are now expected to be 65 million pounds 695 million higher for the first half leading to lower firsthalf underlying operating profit on year the underlying net finance expense for the first half is seen around gbp135 million higher on year due to higher inflation rates net debt is also expected to increase the company maintained its amp7 guidance on regulatory performance