18.117.030
Dimensional standards
Height & bulk
Servicing
- Applies near
- Napa County Airport Land Use Compatibility Zones A or B
- Geographic extent
- Applies to all accessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. renewable energy systems in Napa County; prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance. within Napa County Airport Land Use Compatibility Zones A or B.
Extracted standards
12 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- Maximum energy offset for accessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. systems125 pct
provides no more than one hundred twenty-five percent (125%) of the estimated energy demand for all legally established uses
- AccessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. renewable energy system type
An accessory renewable energy system shall be limited to solar energy systems as defined by Civil Code Section 801.5, including ground-mounted systems, roof-mounted systems, floating systems, and systems affixed to shade structures located over required parking areas.
- Conservation regulations compliance
Land clearing activities for accessory renewable energy systems shall comply with and be subject to Chapter 18.108 (Conservation Regulations).
- Glare restriction
Concentrated reflections or glare shall not be directed at occupied structures, recreation areas, roads, highways or airport flight landing or takeoff areas.
- Maximum parcel coverage for ground-mounted systems2 acresacre43,560 square feet — about the size of an American football field without the end zones.
Ground-mounted systems shall not cover greater than ten percent of the parcel or two acres, whichever is less.
- Maximum parcel coverage for ground-mounted systems10 pct
Ground-mounted systems shall not cover greater than ten percent of the parcel or two acres, whichever is less.
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. for ground-mounted systems15 ft
Ground-mounted systems shall not exceed fifteen feet in height.
- Noise standard compliance
The system shall not exceed noise standards pursuant to Chapter 8.16.
- ProhibitedProhibitedNot allowed in the district at all, short of rezoning or a variance. location in airport compatibility zones
The system shall not be located within Napa County Airport Land Use Compatibility Zones A or B.
- ProhibitedProhibitedNot allowed in the district at all, short of rezoning or a variance. location in floodway
The system shall not be located in a floodway as defined in Chapter 16.04 and complies with floodplain management requirements pursuant to Chapter 16.04.
- ProhibitedProhibitedNot allowed in the district at all, short of rezoning or a variance. location over septic systems
The system shall not be located over a septic system, leachfield area or precluded area pursuant to Chapter 13.16.
- Caltrans sight distance compliance
The system shall comply with the latest edition of the Caltrans Highway Design Manual sight distance requirements for safe access to or from the property or other properties in the vicinity.
From the ordinance
Accessory renewable energy systems shall comply with all setbacks of the applicable zoning district. Ground-mounted systems shall not exceed fifteen feet in height. Ground-mounted systems shall not cover greater than ten percent of the parcel or two acres, whichever is less. The system shall not be located within Napa County Airport Land Use Compatibility Zones A or B.