I have a client asking me about Option 2 - which is ESVE ready for 10% of parking. In the online summary of the credit it does not go into the required uploads. I have been bitten in the past on project where we opt for future on demand capability only to find that our systems don't really meet the intent. I would like to give our electrical engineer who has not worked on any ESVE, networking and net-meteing systems on what needs to be provided to outline the requirements better. Especially if an owner agreement (signed) is needed, etc. Has anyone achieved Option 2 ? or 1 and can elaborate?
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Mercedes Byers
3 thumbs up
February 14, 2022 - 2:21 pm
Hi Michelle,
The LEED v4.1 beta reference guide (dated April 2019) outlines what's needed to comply with Option 2 (pg. 39). I've copied the information below.
"To be EV Ready, meet all of the following:
• Install listed raceway capable of accommodating a 208/240-volt dedicated branch circuit.
• The raceway shall not be less than trade size 1 (nominal 1-inch inside diameter).
• The raceway shall originate at the main service or subpanel and shall terminate into a listed cabinet, box or enclosure in close proximity to the proposed location of the EV space.
• The service panel and/or subpanel shall provide capacity to install a 40-ampere minimum dedicated branch circuit and space(s) reserved to permit installation of a branch circuit overcurrent protective device.
Multiple Panel Spaces required:
• When multiple charging spaces are required, raceway(s) is/are required to be installed at the time of construction.
• The raceway(s) shall originate at a service panel or subpanel(s) serving the area, and shall terminate in close proximity to the proposed location of the charging equipment into listed cabinet(s), box(es), enclosure(s) or equivalent.
• Construction documents shall indicate raceway termination point and proposed location of future EV spaces and EV chargers. Construction documents shall also provide information on amperage of future EVSE, raceway method(s), wiring schematics and electrical load calculations to verify electrical panel service capacity and electrical system, including any on-site distribution transformer(s), have sufficient capacity to simultaneously charge all EVs at all required EV spaces at full rated amperage of the EVSE
• Plan design shall be based upon a 40-ampere minimum branch circuit.
• Electrical calculations shall substantiate the design of the electrical system, to include the rating of equipment and any on-site distribution transformers and have sufficient capacity to simultaneously charge all required EVs at its full rated amperage.
• The service panel or subpanel(s) shall have sufficient capacity to accommodate the required number of dedicated branch circuit(s) for the future installation of the EVSE.
A parking space with EVSE cannot also be counted as EV Ready."
Hope this helps!