Sunpower started developing compact Stirling cryocooler products in the late 1980s. One of the early models, the M77, was introduced in 1992 and sold over 150 units to numerous customers.

But the bane of SunPower could be a boon for Sunrun which ... It will remain focused on margins but is committed to launching new products and services to “expand customer lifetime values ...

Other companies are also impacted by SunPower’s troubles. SunPower relies heavily on products made by solar equipment maker ...