

Taking this job in the first place should disqualify her from any position of authority at any company operating with a shred of morality. Actually disavowing the horrible shit should in fact be her only chance at a modicum of redemption and future employment.
They gain efficiency at lower temps. Cool, clear days are best. At negative 20C you’re looking at ~15-20% increase in power output from the panel itself. Look for the “temperature coefficient” on a solar module spec sheet.