pvwatts 0.1.0

Initial release. ## Features

  • pvwatts() - Query NREL PVWatts v8 API for solar production estimates
  • pvwatts_result S7 class with @monthly, @annual, @location properties
  • preset_location() / list_locations() - Coordinates for 18 major US solar markets
  • Built-in rate limiting, retry logic, and timeout handling

API Parameters

  • Support for all PVWatts v8 parameters: array type, tilt, azimuth, losses, DC/AC ratio, module type, bifaciality, albedo, GCR

Array Types

  • Fixed ground mount ("fixed")
  • Fixed roof mount ("fixed-roof")
  • Single-axis tracking ("1-axis")
  • Single-axis with backtracking ("1-axis-backtrack")
  • Dual-axis tracking ("2-axis")