Describe advantages and disadvantages of PV system configurations.

Description should include

  • electrical output
  • load estimates
  • cost of installation
  • system expectations from the customer
  • tax credits or incentives
  • finance models (e.g., solar co-ops)
  • net metering.

Process/Skill Questions:

  • What are the advantages and disadvantages of a grid-tied PV system?
  • What are the advantages and disadvantages of an off-grid PV system? When should someone use battery back-up in a PV system design?
  • What is net metering, and how does it work in Virginia?
  • What is today’s electric rate (kw/hour) and what (if any) are projected annual cost increases?