340 MW of heat energy recovered from the steam condensation to run the vaporisers in the nearby Liquefied natural gas terminal. BritNed is a high-voltage direct-current (HVDC) submarine power cable between the Isle of Grain in Kent, the United Kingdom; and Maasvlakte in Rotterdam, the Netherlands. It was commissioned in 2011. Other industries Other industries on the Hoo peninsula include an explosives works at Cliffe. This was established in 1900 by Curtis and Harvey Limited on a 128 ha site near Lower Hope Point to manufacture nitroglycerine, cordite, dynamite and guncotton. The site was expanded during the first decade of the twentieth century and by 1908 was one of the largest in the country. Further expansion occurred during the First World War, although the site closed in 1921. The foundations of the building can be seen in the landscape A cement works was established at Cliffe in about 1860 using locally mined chalk. The Alpha Cement works was established in 1910 and operated in various guises until 1970. Today the site is an aggregate import, storage and loading facility. Aggregate is offloaded at two jetties (TQ706767) on the River Thames adjacent to Cliffe fort. Aggregate is transferred along a 1.7 km conveyor to the main site (TQ720756) where railway wagons are loaded. Facilities include loading silos, an overhead conveyor and a loading gantry. The sidings are on a branch from the Grain branch railway line. The site is operated (2019) by Brett Aggregates Limited, formerly by Blue Circle. In 1960 BP in partnership with California Chemicals built a petrochemical plant to manufacture synthetic fibres from oil by-products. London Thamesport is a small container seaport in the Port of London on the River Medway (TQ865742) serving the North Sea. It is located on the Isle of Grain. It was first developed as a container port in 1989 and was developed as a deep-water port from 2001. Villages on the Hoo Peninsula Allhallows Chattenden Cliffe Cliffe Woods Cooling Frindsbury Grain High Halstow Hoo St Werburgh St Mary Hoo Spendiff Stoke Upnor Wainscott References Kingsnorth, Public Relations Branch, Central Electricity Generating Board SE Region, c1979 External links EON press release On future plans for the Grain and Kingsnorth powerstations. Multimap Satellite image of the peninsula Cliffe-at-Hoo Historical Society Landforms of Kent Medway Peninsulas of England