Two Chinese solar giants are in a tussle over technology standards that hinges on a mere 28 millimeters, with the outcome set to determine which company has an edge going forward in the $200 billion industry.
The combatants are the world’s biggest solar manufacturers, pitting industry leader Longi Green Energy Technology Co. against the world’s second-biggest player Trina Solar Co. And the battle involves bragging rights over the ideal size for wafers, the key component for making solar modules: Which is better, Longi’s 182-mm version, or Trina’s 210-mm?
The rivalry is similar to that between Airbus and Boeing in determining which airplane is best for the world’s carriers. Yet the stakes are arguably higher when it comes to manufacturing the powerful equipment that transforms sunlight into electricity, as nations set ambitious plans for ramping up renewable energy capacity.
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