Field package
Launch Ready Test
Pre-opening EVSE accuracy and documentation support for new commercial charging sites.
- Site intake and charger inventory
- AC/DC test plan
- Field documentation package
Make Every kWh Count.
EVSE Accuracy Testing by a California Licensed Service Agent
Zero Wave helps commercial EV charging operators, site hosts, fleets, installers, and developers verify kWh transaction accuracy, prepare for California weights-and-measures requirements, and document EVSE performance with founder-led support from Derrick Espinoza, California Licensed Service Agent #36738.
California Licensed Service Agent #36738 | Commercial EVSE / EVFS testing support | AC and DC fast charger readiness
Need commercial EVSE testing? Call Zero Wave at (209) 227-2717 or send site details to info@zerowave.biz.
California Licensed Service Agent
Derrick Espinoza
License #36738
- Agency
- CDFA Division of Measurement Standards
- Expiration
- Expires 6/3/2031
California Licensed Service Agent #36738AC EVSEDC Fast ChargingkWh AccuracyHB44 / legal metrology awarenessCalifornia-ready
Commercial EV fueling
Commercial EV charging only works when the meter, the price, and the transaction can be trusted.
EV charging is no longer just an amenity. It is commercial fueling infrastructure. When customers are charged by kWh, time, session, or a mixed pricing model, the charger becomes part of a regulated transaction. Zero Wave helps operators test the transaction, document the result, and move toward compliant commercial operation.
- Site intake review
- EVSE inventory summary
- Field test plan
- Accuracy test results
- Pass/fail notes
- Marking and display observations
Sample report
Field report preview
EVSE transaction evidence, display observations, markings, and closeout notes in one readable field package.
Site IDZW-CA-001
EVSE TypeAC L2 / DCFC
Transaction QtykWh verified
Unit PriceReview
DisplayPass
Recorded RepresentationPass
MarkingsReview
Security / Audit TrailObserved
ResultDocumentation Ready
Measured
Displayed
Recorded
Field connector context
Charger identity, connector mix, and site access stay in the intake record.
kWh pulse trace
Delivered energy, displayed quantity, and recorded transaction move together.
Report evidence
Photos, readings, markings, and observations are organized for review.
Checklist rhythm
Before the field window opens, readiness items are visible and trackable.
Deadline readiness
Charger type, install date, and commercial use drive the testing priority.
Transaction signal
Unit price, quantity, total price, and retained record are treated as one system.
Transaction confidence
Make Every kWh Count
Every commercial charging session needs a clear path from energy delivered to price displayed to record retained.
- Verify delivered energy against test equipment
- Review unit price, total price, and displayed quantity
- Document charger identity, markings, software, and transaction data
- Support AC Level 2 and DC fast charger readiness
- Prepare owners and operators for weights-and-measures expectations
- Reduce launch delays, failed inspections, and revenue uncertainty
California Licensed Service Agent
Derrick Espinoza
License #36738
- Agency
- CDFA Division of Measurement Standards
- Expiration
- Expires 6/3/2031
Credentialed service work
Licensed for California Weights & Measures Service Work
Derrick Espinoza holds California Service Agent License No. 36738 through the California Department of Food and Agriculture, Division of Measurement Standards. Zero Wave brings weights-and-measures discipline to commercial EVSE testing, transaction accuracy review, field documentation, and compliance readiness.
License information applies to Derrick Espinoza individually. Business registration, scope of work, standards, and jurisdictional requirements may vary by service type and location. Final compliance determinations remain with the applicable authority having jurisdiction.
What can go wrong
Test before inspection day, customer disputes, or invoice questions find the problem.
Zero Wave turns operational uncertainty into field evidence, clear notes, and next-step priorities.
Inaccurate Billing
A small transaction error can become a revenue, customer trust, and compliance problem across a high-use charging site.
Failed Inspection Risk
Missing markings, display problems, or poor records can slow a site even when the charger appears to work.
Delayed Opening
Paid charging sites need confidence before go-live, especially when multiple vendors, software settings, and tariff models meet in the field.
No Test Documentation
Operators need clear records that owners, compliance teams, and service partners can understand after the field visit.
Revenue Exposure
Every paid kWh needs trust. Testing helps protect the meter, the price, and the transaction record.
Owner / Operator Confusion
Zero Wave translates the test path into plain steps without pretending to be the authority having jurisdiction.
Services
View all servicesEVSE testing, readiness, and documentation for commercial charging.
Service modules are written for paid charging infrastructure, not generic electrical work.
Available
AC Level 1 / Level 2 EVSE Accuracy Testing
Field testing support for commercial AC chargers at workplaces, multifamily, hotels, parking, campuses, retail sites, and fleets.
- kWh transaction review
- Display and pricing observations
- Readiness documentation
Available
DC Fast Charger Accuracy Testing
Testing support for higher-power DCFC environments where throughput, connector planning, and retest coordination matter.
- DCFC field workflow
- Load and transaction planning
- Retest support
Available
Commercial EVSE Compliance Readiness
Prepare commercial charging sites for weights-and-measures expectations with clear inventory, evidence, and action steps.
- Deadline mapping
- Risk triage
- Inspection preparation
Available
EVSE Field Test Documentation
Structured reports for owners, operators, installers, and compliance teams after a field test.
- Photo notes
- Pass/fail findings
- Corrective recommendations
Available
Pre-Inspection Site Audit
Review markings, display behavior, inventory data, pricing, network access, and field access before inspection day.
- Pre-test checklist
- Site photo guide
- Priority list
Available
Post-Repair / Retest Support
Verify changes after a repair, failed inspection, firmware change, network update, or pricing correction.
- Retest planning
- Documented closeout
- Multi-vendor coordination
Why Zero Wave
Field discipline for the shift from chargers as amenities to chargers as regulated fueling infrastructure.
Verify the transaction. Protect the kWh. Give owners, operators, and compliance teams documentation they can act on.
Built Around the Transaction
The work centers on what commercial charging depends on: energy delivered, price displayed, total charged, and the record customers and operators rely on.
Field-Ready Documentation
Results are structured for owners, operators, installers, and compliance teams, with observations that can support remediation and retest planning.
Compliance-Aware Language
Zero Wave provides testing, readiness, inspection preparation, and documentation support without overclaiming government authority.
AC and DC Focus
Commercial Level 2 and DC fast charger sites have different field realities. The process is designed to account for both.
Process
From intake to retest, the workflow is built around evidence.
Discover, site intake, field test, documentation, compliance support, and maintenance planning.
1
Discover
Confirm the business goal, charger type, commercial use, billing model, and timeline pressure.
2
Site Intake
Collect charger inventory, make/model/serial data, installation dates, firmware notes, connector types, and pricing information.
3
Field Test
Run the agreed field test plan against AC or DC equipment, observing the transaction, display, pricing, and site conditions.
4
Documentation
Package accuracy results, photos, markings, display observations, records, and retest notes into a clear deliverable.
5
Compliance Support
Help the owner or operator understand next steps for inspection preparation and authority review.
6
Retest / Maintenance
Coordinate post-repair verification and recurring test schedules for multi-site or high-use charging programs.
Capabilities
View capabilitiesAC, DC, transaction accuracy, and data workflow support.
Capabilities are controlled by config so equipment, connector support, and expansion services can change without rewriting the site.
AC Level 1 / Level 2 EVSE testing
Available
DC fast charger testing support
Available
Transactional kWh accuracy testing
Available
Test standard and load emulator workflow
Available
CCS1 connector support
Planned
NACS / Tesla connector planning
Planned
Service packages
Choose the operating motion, then scope the site.
No hard prices are shown because the right package depends on charger count, site access, connector mix, urgency, and retest needs.
Field package
Rapid Site Sweep
Fast risk triage for owners with multiple chargers or unknown compliance status.
- Multi-port charger review
- Priority issue list
- Testing path recommendation
Field package
DCFC Accuracy Package
Focused support for DC fast charging sites where power, connector mix, and transaction accuracy matter.
- DC fast charger readiness
- Connector and site access review
- Transaction accuracy documentation
Field package
Fleet / Multi-Site Program
Repeatable testing workflow for operators managing multiple locations.
- Site list organization
- Standardized documentation
- Retest scheduling support
Field package
Retest & Documentation Support
Follow-up testing support after repair, adjustment, failed inspection, or network changes.
- Post-repair retest path
- Updated observations
- Documentation package
Field package
Manufacturer / Installer Pre-Compliance
Pre-compliance support for teams deploying EVSE hardware before field issues become delays.
- Installation readiness review
- Marking/display observations
- Deployment feedback loop
California-ready
Check the charger type, installation date, and commercial use before the deadline catches you.
AC and DC charging equipment follow different California timing paths. Zero Wave helps translate the charger list into field testing priorities and documentation needs.
Deadline map
AC EVSE: January 1, 2031
Installed before January 1, 2021
AC EVSE: Upon installation
Installed on or after January 1, 2021
DC EVSE: January 1, 2033
Installed before January 1, 2023
DC EVSE: Upon installation
Installed on or after January 1, 2023
Lead magnets
Bring the site list. Zero Wave will help turn it into a test path.
Start with a readiness checklist, deadline map, charger inventory template, or pre-test photo guide.
Free EVSE Compliance Readiness Checklist
Use the interactive checklist to gather the evidence most likely to matter before a field visit.
Open checklistFAQ
View all FAQCommon questions
Short answers for owners and operators planning commercial EVSE testing.
EVSE testing evaluates whether a commercial electric vehicle charging transaction is measured, priced, displayed, and documented in a way owners, operators, customers, and compliance teams can trust.
Ready to verify the transaction?
Send the charger list, site address, and urgency. Zero Wave will help map the next clean step.