Of these, 31 are provincial and 7 engage in cross-province power transmission.

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The European Commission insisted this week that Italy's reluctance to expand cross-border trading and to build new international transmission lines was partly to blame for the latest blackout.

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Transmission, especially long high-voltage lines that cross states, is extraordinarily hard to get approved, sited, permitted and paid for.

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Outside of oil and gas, Hunt owns stakes in power plants in the Northeast, transmission lines in Texas, including a 150 megawatt cross-border line with Mexico built in 2007.

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