Structure & Mounting Issue• Dead Load: self-weight or permanent load on a structure, e.g. Roof structure, Bridges• Live Load; People on the roof, cars on the bridge, repair equipment/materials• Wind Sheer: e.g. wind force on HVAC equip, on Panels and structures• Seasonal Load: Snow, Rain, Hail• Vibration: HVAC motors, Fans, wind through Panel structure• Seismic forces• Soil composition, landfills• Floating Structures on water..!
What we have covered so far• Solar Energy Marketplace• Fundamentals of Solar Energy• Fundamentals of Solar Hot Water• Fundamentals of PV• Sales Basics• Solar Energy Systems Components• Next – Utility companies programs, rates & schedules
AB 920 NEM• In 2009, the California Legislature passed and Governor Schwarzenegger signed into law Assembly Bill (AB) 920, which changed the law that governs Net Energy Metering (NEM) for solar and small wind generators.• Before the change, the law said customers could not receive credit for electricity exported to the grid beyond their own annual usage.• As a result of AB 920, customers can receive compensation or a credit for net exports to the grid at the time of their annual true-up starting in 2011.
NEM OptionsIf a customer generates more electricity during his or her12-month true up period (that ends 2011 or thereafter)than it is supplied by the electric utility to the customerduring the same 12-month period, the customer mayelect to do one of the following:(A) Receive compensation for any net surplus electricitygenerated during the 12-month period, or(B) Apply the net surplus electricity as a credit forkilowatt-hours subsequently supplied by the electricutility to the surplus customer-generator, or(C) Not participate.
NEM Compensation• Direct & Carry-Over options: – PG&E will provide additional information to help customers make a selection.• The compensation should be in place by your 2011 true-up.• For more info Check FAQ at:• http://www.pge.com/myhome/saveenergymoney/solarenergy/nembilling/faq/