Actionable, unbiased data
EVSE performance & health insights
Driver experience insights
Secure & private results
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Traditional uptime metrics don’t tell the full story.
Chargers can appear online while still failing drivers due to degraded performance, payment failures, communication issues or intermittent session failures.
The Charge Success Score helps operators measure the real charging experience across their network.
Understand real-world reliability
Identify gaps between reported uptime and actual charging success using operational performance data and charging session outcomes.
Benchmark operational performance
Gain a vendor-agnostic view of charging reliability across sites, systems, and operational workflows.
improve funding & compliance readiness
Understand how charging reliability performance aligns with funding, compliance, and operational expectations.
Share reliability insights with stake holders
Use Charge Success reporting to communicate operational performance with internal teams, partners, and regulators.
Find out how your sites are really performing, before you miss out on revenue and overspend on maintenance.
Without operational visibility:
Missed SLAs
Declining utilization
Brand reputation at risk
Overspend on servicing
Missed funding opportunities
With the Charge Success Score:
Transparent, actionable insights
Recommendations tailored to your sites
Reporting that satisfies compliance
“The Charge Success Score helped us identify operational blind spots and better prioritize reliability improvements across our network.”
- Head of Operations of a nation-wide CPO
The First Charge Success Score Index includes:
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An overall score for the assessed site for the timeframe of the provided data
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Station availability, based on OCPP communication patterns
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Charging success, a measure of drivers' ability to charge without issues
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Includes considerations such as fault occurrences, session errors and timeouts
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Other data, such as asset performance factors like pre-charge time and short-lived sessions that lead to negative driver experience
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Specific actions you can take to improve site reliability and experience, and improve your First Charge Success Score
Frequently Asked Questions
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The report is a comprehensive performance score that measures how reliably a charging network enables drivers to successfully complete a full-power charge the first time they plug in.
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It aggregates real OCPP data across key metrics, including: availability, charging success and asset performance.
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It is designed to give operators actionable information they need to improve; give funding providers the ability to validate public investments; and help drivers finally trust EV charging.
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Clockwork needs at least 60 days of OCPP logs for the site being assessed to calculate the score and assessment. We may ask for additional data to refine the score.
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