Acronyms Compiled - Solar Energy MPP -- Maximum Power Point MPPT -- maximum power point trackers NEC -- National Electrics Code NEMA -- National Electrical Manufacturers Association NOCT -- Normal Operating Cell Temperature O&M -- Operations and Maintenance PPA -- Purchase Power Agreement PV -- Photovoltaic SOC -- State of Charge =-=-=-=-= Energy Acronyms Ref: http://www.energy.ca.gov/glossary/acronyms.html Ref: http://blog.clean-footprint.com/solar-energy-articles/8-solar-acronyms-you-must-know-asap Ref: http://mysolar.com/solar-power-definitions-and-acronyms/ Ref: https://www.acronymfinder.com/SOLAR.html Ref: https://www.solarreviews.com/news/what-do-all-these-solar-acronyms-mean-082213/