Many of China's 1GW of near-shore projects under development are struggling to get over technical and commercial hurdles, making it difficult to meet government objectives of having 5GW of offshore wind by 2015 and 30GW by 2030, says the Carbon Trust, a British government-industry body.

"China's offshore wind resource is significant and will be critical for the country to help meet its rising energy demand through developing low-carbon energy sources," says the Carbon Trust's Al-Karim Govindji.

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