HomeMy WebLinkAbout18 - Workshop - Minimum Electric Panel Sizes for New Construction and Service Upgrades
WORKSHOP ITEM #18UpgradesNew Construction and Service Minimum Electric Panel Sizes for UpgradesNew Construction and Service Minimum Electric Panel Sizes for December 4, 2019
Minimum Electric Panel Sizes for New Construction panels must be properly sized like solar photovoltaics services To prepare for increased loads from new electric appliances and DERs
•programelectrification and to develop a proposed business case for an incentive In October 2019, the Board awarded a contract to HDR to study •Electrification and Distributed Energy
Resources (DER)•BACKGROUND / HISTORY and Service UpgradesMinimum Electric Panel Sizes for New Construction and Service Upgrades
NEW INFORMATION 13,1232147,1525,757Grand Total>400A399A-200<200A 200 Amps (A)have electric services less than 50% of District customers Almost •Electric Panel sizes in the District•and
Service UpgradesMinimum Electric Panel Sizes for New Construction and Service UpgradesMinimum Electric Panel Sizes for New Construction
NEW INFORMATION Electrification will also be limited by smaller panel sizes•residential buildings starting January 1, 202024 energy code changes will require solar PV on all new -2019
Title•The majority of solar applications are for larger systems•Customers with 100A services are limited to 20A (or 2.4kW) of solar•exceed 20% of the panel ratingCode stipulates that
the total solar generation may not National Electric •Solar growth is limited by smaller panel sizes•and Service UpgradesMinimum Electric Panel Sizes for New Construction and Service
UpgradesMinimum Electric Panel Sizes for New Construction
NEW INFORMATION responsible for any resulting upgradesCommercial customers would be –Distribution system upgrades •Some modifications may be required to fit a larger panel–Panel cavity
•so they are generally less expensive than 100/125A panels200A panels are standard in Truckee and readily available, –Panel costs •100A and 200A panels have the same fee schedule cost–District
fees •Panel upgrade cost assessment•commercial buildingsfor all new services and service upgrades on single family homes and Staff proposes that the District require a minimum of 200A
service panels •DER and Electrification make ready proposal•and Service UpgradesMinimum Electric Panel Sizes for New Construction and Service UpgradesMinimum Electric Panel Sizes for
New Construction
NEW INFORMATION Code changes to take affect upon approval•Board Consideration/Action at subsequent meeting•Update code with legal review•Next Steps•Electric Facilities Fees–Appendix
F •Section 12–Title 7, Electric Service •Code sectionsservice upgrades would require updates to the following District Requiring a minimum of 200A service panel for new construction
and •and Service UpgradesMinimum Electric Panel Sizes for New Construction and Service UpgradesMinimum Electric Panel Sizes for New Construction
FISCAL IMPACT There is no fiscal impact associated with this item•and Service UpgradesMinimum Electric Panel Sizes for New Construction and Service UpgradesMinimum Electric Panel Sizes
for New Construction
RECOMMENDATION Provide input and direction to staff•and Service UpgradesMinimum Electric Panel Sizes for New Construction and Service UpgradesMinimum Electric Panel Sizes for New Construction