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
Postage stamps and postal history of Guernsey the 1950s Guernsey used British regional stamps marked specifically for use in Guernsey but valid for postage throughout the United Kingdom. Guernsey has issued its own stamps since the creation of Guernsey Post, 1 October 1969. The Bailiwick of Guernsey incorporates Alderney, Herm and Sark which all used the Guernsey issues from 1969. From 1983 Guernsey began issuing specific stamps designated Alderney for use in that island which are also valid throughout the Bailiwick of Guernsey.. In 1998 postage stamps were issued without a price stated on the stamp, the terms "Local" and "UK" being used to distinguish the values.