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
Law of Guernsey relating to rubbish collection and data protection laws. Certain laws affecting Guernsey can be imposed on Guernsey by the United Kingdom government and are registered as Guernsey laws to extend them to the Bailiwick. Examples include the Landmines Act 1998 ( becoming the Landmines Act 1998 (Guernsey) Order 2000) and the Police Act 1997. There have been many cases in history of Guernsey simply not registering Parliamentary laws which has the effect of nullifying them. Convention requires Parliamentary laws to (a) not go beyond the prerogative powers over the Islands and (b) should be consonant with aspects of modern law.