Energy storage in port operations

Joe Pratt studies hydrogen fuel cell energy storage in ports at the Port of Oakland, California. Photo credit: Sandia National Laboratories

Joe Pratt studies hydrogen fuel cell energy storage in ports at the Port of Oakland, California. Photo credit: Sandia National Laboratories

A hidden challenge for renewable energy, in terms of carbon reductions at least, is making sure your cure is not more damaging than your disease. Many types of renewable power plants, for example, contain large amounts of concrete and cement, the production of which involves significant greenhouse gas emissions.

The emissions involved in construction, from concrete or other sources, seem rarely to be included in calculations of the environmental benefit arising from renewable energy. Yet it is not inconceivable that a wasteful enough construction process might produce more carbon emissions than a project could save over its operating lifespan.
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Scandline ferry gets marine battery pack

Corvus Energy will provide ferry company Scandline with a 2.7MWh power pack consisting of an AT6500 advanced lithium polymer battery system for an existing diesel electric ferry, reports MarineLink.com. The batteries will last for more than 10 years, says Corvus, and can be charged in 30 minutes by renewable, shore or generator power.