The letter to the commissioner for trade, Cecilia Malmstrom, says the measures are having "a negative impact" on Europe's PV sector.

SolarPower Europe chief executive James Watson says the commission "needs to develop a new way forward for solar without trade duties and price mechanisms".

"We need a better, more specific approach to support module producers in Europe," he adds. "Trade measures are a blunt instrument, harming more than 80% of solar manufacturing jobs and all downstream jobs in Europe today.

"The