While no specific regional reliability data for Level 2 chargers is explicitly provided in the available research, several key findings help frame the issue:
- Broader reliability challenges: Harvard research indicates an average 78% reliability score for all U.S. charging stations (including Level 2), suggesting widespread challenges rather than region-specific patterns.
- Study limitations: The NREL analysis references national data showing 6.7% of stations temporarily unavailable (without port-level specificity), while the Bay Area DCFC study (72.5% functionality) didn’t focus on Level 2 reliability.
- Data gaps: The EV WATTS database tracks charging anomalies but doesn’t appear to segment reliability by region in the available documentation, focusing instead on technical failure modes like electrical faults and reboot issues.
For accurate regional comparisons, researchers typically need port-level data segmented by geography – information not sufficiently detailed in these studies. The California Air Resources Board survey (referenced in NREL’s analysis) suggests some providers claim 95-98% uptime, but without regional breakdowns and with self-reported data limitations.
Original article by NenPower, If reposted, please credit the source: https://nenpower.com/blog/are-there-any-specific-regions-where-level-2-chargers-are-more-reliable/
