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Traditional underground compressed air energy storage (CAES), which is one of only two proven long-duration bulk storage technologies, has been commercially available for more than 30 years.  While no new CAES plants have been deployed since 1991, project activity and interest in the technology has grown in recent years, and higher-efficiency next-generation CAES technology is also nearing commercialization.  According to a new report from Navigant Research, more than 11 gigawatts of CAES capacity will be installed worldwide from 2013 to 2023.

The onshore cable will connect to the offshore cable network at the beach landing point in Pensarn, and will be routed underground to the new electricity substation in St Asaph. In total, there are four circuits, each consisting of three cables. Prysmian will manufacture the full 134.4kms length of 132kV cable at its Wrexham plant, marking the "largest single order" of 132kV cable produced at the factory.

Rio Tinto announced is expanding its Mine of the Future programme to develop new equipment and systems for deep underground mines. The programme is designed to create next generation technologies for mining operations.

EDMONTON, ALBERTA--(Marketwire - Dec. 17, 2009) - CBR Gold Corp. (TSX VENTURE:CBG)(FRANKFURT:C3M) ("CBG" or the "Company") and joint venture partner Heatherdale Resources Ltd. (TSX VENTURE:HTR) ("Heatherdale") announce that thick intersections of high grade, copper-gold-zinc-silver mineralization have been encountered in underground drilling at the Niblack Project in southeast Alaska.

Prysmian’s product portfolio at MEE 2011 will focus on the full range of state-of-the-art power cables including HV and EHV underground and submarine cable systems for applications such as interconnections between power grids, links between natural or artificial islands and the mainland, and connections to, or between, offshore oil production and wind power generation facilities. Prysmian will also be presenting a wide range of cables and systems for the Oil, Gas and Petrochemical industry – complex and integrated systems for power transmission and distribution, control and instrumentation for industrial applications - including innovative specialties such as Drylam™ and Airguard™ Cable System, cable solutions with enhanced features and reduced environmental impact, specifically designed for critical environments. To complete the available portfolio FP® fire resistant cables, Umbilicals and power distribution cable solutions will also be on display.

The two companies that have signed leases with the state are Teck Resources Ltd. and Twin Metals Minnesota. Teck, based in Vancouver, Canada, has said little about its Minnesota plans. Twin Metals has proposed a deep underground mine costing more than $1 billion south of Ely. Neither company has sought environmental reviews or applied for permits to mine so far.

Nexans, a worldwide leading expert in the cable industry, has announced its intention to build a plant for the manufacture of underground Extra High Voltage (EHV) cables* and possible extension to submarine HV activities, in the United States.