The Arizona Corporation Commission (ACC) is demanding information from organisations including utility Arizona Public Service (APS) on the possible use of ratepayer funds in controversial public relations campaigns against solar power and net metering.
Technology giant, Apple has applied for the patent of a power management system to utilise portable solar panels, to the US patent and trademark office on Thursday.
Hemlock Semiconductor continued to report positive financial results in the third quarter of 2013, despite the imposition by China of anti-dumping duties on imported polysilicon, notably from the US.
US federal agency the Bureau of Land Management (BLM) has said it will keep open land designated for solar projects for future development despite its failed bid last week.