Guides
Apartment EV charging pilot evaluation: a practical guide
Apartment EV charging pilot evaluation: track sessions, energy, uptime and actual costs, then turn property and provider evidence into a decision brief.
What to take away
- For an apartment EV charging pilot evaluation, run the test for 8 to 12 weeks, with a mid-point review and a closing review in the plan.
- Put the question, boundary, evidence owners and review dates in a one-page versioned charter.
- Track a few measures, each with a definition, a source, an interval and a stated limit.
- Close with a brief separating what was observed, what was not observed and what the pilot could not establish.
Set the duration and the checkpoints
Eight to 12 weeks is a workable range for most apartment charging pilots. Shorter tests often miss a full utility billing cycle or a move-in wave, so the record looks flat for reasons unrelated to the equipment. Longer tests lose participants and staff attention.
Write the dates into the charter before you invite anyone.
- 8 to 12 weeks total, with a dated start and end.
- week four and week six.
- final week, with the brief due within two weeks.
Three checkpoints beat one open-ended test, because each one forces a completeness check while people still remember what happened.
Write a one-page charter
A charter is a working record, not a contract. It shows the purpose and the limits in one place and carries a version date. When a provider, utility or authorized property decision changes a material part of the test, keep the older version and note what changed.
Before the test, record who owns the equipment and who is responsible for installation, electricity, network service and charging bills. Those roles may belong to the property, provider or tenant; confirm the arrangement rather than assuming who pays.
Use the property's actual installation quote and invoices, utility bills and applicable rate schedule to track costs. Separate installation and ongoing expenses, and calculate cost per session or per kWh only when the corresponding cost and usage records cover the same period.
Pilot charter fields
- Purposelimited question
- Scopelocations, equipment, dates
- Exclusionsquestions not answered
- Participantseligibility and invitation
- Evidencelogs, notices, feedback
- Privacy boundarywhat is not collected
- Review dates and next state
The charter does not qualify anyone to rule on electrical capacity, accessibility, equipment settings, safety or local rules. Have qualified professionals review the applicable locally adopted National Electrical Code (NFPA 70), Americans with Disabilities Act (ADA) requirements and permit rules with the local Authority Having Jurisdiction (AHJ).
The staff handoffs and record ownership guide covers which role holds the charter, the logs and the brief when coordinators change mid-test.
Example: the same charter, filled in
Purpose: can participants complete the stated access process without staff help? Scope: 10 shared stalls in the north garage, 2 March to 25 May. Exclusions: billing accuracy and capacity for a full-building conversion. Participants: 14 volunteers invited by dated notice. Evidence: access log, issue log, notices, feedback form, charging-network records and utility bills. Measures: sessions per port, kWh dispensed, port availability and actual cost per session and kWh. Cost record: installation quote and invoices, utility bills and rate schedule. Ownership and payment roles: record who owns the equipment and who pays installation, electricity, network and charging costs. Reviews: 13 April and 25 May. Next state: brief to the board, with options listed separately.
The sample above shows the format, not a real property. Swap in your own dates, stalls and roles.
Pick measures that fit the question
A useful measure has a plain definition, a source, an interval and a reason it matters to the stated question.
For the charging itself, track sessions per port, kWh dispensed and port availability over the same review periods. Define utilization as the share of scheduled port-hours spent actively charging, and state whether unavailable ports are included in the denominator; a high session count alone does not show how consistently chargers were available.
Request dated session and energy exports from the charging network's operating dashboard. If the equipment supports it, Open Charge Point Protocol (OCPP) data can provide another record; compare energy totals with utility meter data or bills where available. Use invoices, utility bills and the applicable rate schedule to calculate actual cost per session or kWh, and note missing data rather than filling gaps with estimates.
| Measure | Definition | Source | Limit |
|---|---|---|---|
| Access completion | Participant reports finishing the stated process | Dated form | Self-report, not a service audit |
| Issue response | Time from logged issue to recorded next action | Issue log | Not proof the issue was resolved |
| Feedback theme | Repeated topic in dated voluntary comments | Feedback log | Not a resident survey |
New York City's curbside Level 2 pilot set separate goals for usage, operating feasibility and attitudes. Read the NYC DOT evaluation record. That report covers public curbside equipment, not apartment operations, but it shows that one number rarely answers a whole evaluation.
If billing sits inside your question, check how rental properties handle billing methods for EV charging before you promise tenants anything specific. Where electricity cost is part of the test, the multifamily EV demand charge reviews comparison explains why cost evidence belongs in its own lane.
Keep evidence in four lanes
- Property recordsboundary, dated notices, authorized decisions, property observations and invoices.
- Provider recordsservice, equipment, account activity, support reports and available charging-network dashboard or OCPP exports.
- Participant feedback: what a person reported, with date and collection route kept.
- Outside responsesutility, city office, program issuer or insurer statements within role, including utility meter data or bills when relevant.
Evidence lanes
- Property recordsboundary and decisions
- Provider recordsservice and equipment
- Participant feedbackdated reports
- Outside responsesutility or authority
Give each lane an owner, so a comment or a dashboard never outranks a dated record. A coordinator can collect files without judging whether a reported result is correct, then flag missing data and conflicting versions.
Log changes without assigning blame
A trial rarely runs exactly as planned. Keep a short log of what changed and how it affects the reading of the results.
| Date | Event | Source | Effect on review |
|---|---|---|---|
| Date recorded | Access issue reported | Dated issue log | Separate the affected period |
| Date recorded | Instruction notice revised | Versioned notice | Do not treat before and after as identical |
| Date recorded | Data export missing | Provider record request | Mark the measure incomplete |
Write "cause not confirmed" where the record does not establish one. Open items close faster when they live in a running action log guide, rather than in meeting notes.
Read the result with restraint
At the close, sort findings into three columns: observed, not observed, not established.
An observed item has a dated source inside the boundary. A not-observed item did not appear in the record and may have happened outside it. A not-established item is a question the pilot was never designed to answer.
An issue log showing three access questions over two months does not establish that exactly three residents struggled. It also says nothing about future demand.
Avoid percentages with an unknown denominator. Voluntary comments become a satisfaction score only if you describe who was asked and who replied.
Prepare a decision brief
The brief should be readable in one meeting and traceable to sources. It organizes evidence for the person or board that holds the decision.
Sections that work: purpose and boundary; evidence summary with known gaps; findings inside scope; open items with a named owner; options to close, revise, extend or investigate separately.
Expansion may need new scope, cost figures, current utility and local information, technical review and an implementation plan. The pilot informs that work without replacing it.
This document control guide explains how versioned files stay findable when staff change.
Check policy and incentive leads in the U.S. Department of Energy Alternative Fuels Data Center's Laws and Incentives database, and confirm any program details with the issuing office. California's CALeVIP is one named incentive program to check; verify whether a current local project accepts multifamily properties and which costs qualify before including it in the brief.
