The three, who have been called on by regulators to stop planned price hikes, are expected to have increased operating profits. They are set to submit spending and charging plans for the next five years on 2 December.
The corporate calendar starts today with reports from Accsys Technologies, Chemring Group, City of London Group, Cranswick, Essar Energy, Parity Group, Quintain Estates & Development and SDL.
Tomorrow will see full-year results from Britvic, Mitchells & Butlers, Paragon Group of Companies and Topps Tiles plus reports from ACM Shipping, Better Capital, Breedon Aggregates, Caledonia Investments, Daejan Holdings, De La Rue, KCOM Group, Pinewood Shepperton, Scapa Group, Severfield-Rowen, Severn Trent, St Ives and VP.
On Wednesday Royal Mail delivers its first half-year results since its stock market flotation – giving clues as to whether the steeply rising share price has been warranted. Full-year results include Compass Group, Electra Private Equity and Shaftesbury.
Assura Group, Chime Communications, Findel, Hogg Robinson Group, Immunodiagnostic Systems Holdings, Porvair, Punch Taverns, Sirius Minerals, Telford Homes, Torotrak and United Utilities will also update the market.
Thursday’s full-year results include Marston’s and Thomas Cook Group, while trading figures will also be given by Creston, Helical Bar, Just Retirement Group, Kingfisher Group, LondonMetric Property, Micro Focus International, Mountview Estates, Pennon Group, Phoenix IT Group, RPC Group, Triad Group, Waterlogic, Wolseley and Xcite Energy.
On Friday Albemarle & Bond gives end of year figures while Acal, Associated British Engineering, Harvey Nash Group, JD Sports Fashion and Max Property Group will also update the market.
In economic news, Bank of England governor Mark Carney will be questioned by MPs over the Inflation Report tomorrow, the Gfk consumer confidence survey and Lloyds Business Barometer are due on Thursday and Friday’s mortgage approvals and Nationwide house price index will show the state of the housing market.