Vivint Solar, among the largest installers of US rooftop PV systems, shrank its losses and its installation costs in the third quarter, making progress as it tries to move beyond its failed merger with SunEdison earlier this year.

Since SunEdison’s planned $2.2bn acquisition of Vivint Solar collapsed this March, Vivint has struggled on multiple fronts, including securing enough finance to fuel its capital-intensive growth model of installing PV panels at no upfront cost for consumers.

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