Guernsey 2,453 employing businesses. 19.6% work in the finance industry and median earnings were £31,215. Public services, such as water, wastewater, the two main harbours and the airport are still owned and controlled by the States of Guernsey. The electricity, and postal services have been commercialised by the States and are now operated by companies wholly owned by the States of Guernsey. Gas is supplied by an independent private company. In 1998, Guernsey and Jersey jointly formed the Channel Islands Electricity Grid to operate and manage the submarine cables between Europe and the Channel Islands. The installation of these cables provided
Guernsey Ambulance and Rescue Service enjoyed by St John Ambulance (England and the Islands), the organisation of which Guernsey Ambulance and Rescue Service was formerly a constituent part. On 1 July 2012 St John Ambulance in Guernsey ceased to be part of the Priory of England and the Isles, and was established as an autonomous Commandery of the Venerable Order of St John. Thus both St John Ambulance (Guernsey) and the Guernsey Ambulance and Rescue Service (as sister organisations) remain under the umbrella of the Venerable Order of St John, but through independent local control, rather than the English Priory. Operating 24 hours a day,