Panasonic’s Eco Solutions division today announced the launch of what it is calling the most powerful photovoltaic panel in the world.

The new prototype solar panel has a solar energy conversion efficiency of 22.5% on a commercial-sized prototype. The prototype was built using solar cells based on mass-production technology, Panasonic said.

Last year, Panasonic announced it had achieved a photovoltaic cell efficiency rating of 25.6%.

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