In Depth: The marine industry poised to ‘put its foot on the gas’

An artist's impression of a Pelamis array

An artist's impression of a Pelamis array

Wave- and tidal-energy costs are not falling as quickly as proponents had hoped, according to a ­report, but the sectors can compete with ­other sources in the coming decades.

The tough news is that the current cost of both technologies has been revised upwards since the UK Carbon Trust last priced them in 2006.

Its latest study pegs tidal-stream energy at £0.29-0.33 ($0.46-0.52) per kWh and “far-shore” wave energy at £0.38-0.48.

But the Carbon Trust says both technologies can be cost-competitive­ with onshore wind and nuclear by 2025 — ­earlier than many previous estimates — and marine energy has much more potential for cost reduction than other renew­ables, given its immature state.

And, having undertaken the most in-depth study of tidal Log in to read complete article.

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