Optimize EV Charger Deployment: SEI Insights
A new review by the Stockholm Environment Institute (SEI) reveals a striking gap in EV charger utilization: while the theoretical mean is 135 EVs per charger, the real‑world average barely reaches 11. This disparity highlights two risks for B2B operators—underused assets and congested stations—and underscores the need for data‑driven deployment strategies.
Why the EV‑to‑Charger Ratio Matters for Commercial EV Projects
When planning EV charging infrastructure, one metric quietly defines long-term success: the EV-to-charger ratio.
Too few chargers, and you face long wait times, frustrated drivers, and missed business opportunities.
Too many, and valuable equipment sits idle—draining capital and driving up operating costs.
The right balance depends on factors like fleet size, vehicle dwell time, power levels, and usage patterns.
Get it wrong, and you risk inefficiencies. Get it right, and you optimize investment, improve user satisfaction, and future-proof your operations.
Whether you're managing a delivery fleet, operating a public charging network, or equipping a commercial property, understanding this ratio is essential.
Key Insights from SEI’s Study on EV Charger Deploymentvation
1. Recognize the Role of Charger Power
Not all chargers are created equal. Fast chargers (50 kW and above) can handle significantly more sessions than lower-power units. Yet many infrastructure plans still treat all chargers the same, which can lead to skewed projections and underperformance.
2. Speak the Same Language
Clear and consistent definitions—such as what counts as "public" vs. "private" charging, or what qualifies as "fast" and "super-fast"—are essential. Without them, it's nearly impossible to compare data across markets or set realistic deployment goals.
3. Focus on User-Centered Metrics
Measuring success by EVs-per-charger doesn’t tell the full story. Time-based metrics, like “minutes of charging per 100 km of driving,” give a more accurate view of the actual experience for drivers—and how charging fits into their day.
4. Fill the Geographic Gaps
Most research today focuses on Europe and North America, where EV adoption is highest. But emerging markets in Asia, Africa, and Latin America are growing fast and need localized planning data to avoid mismatched investments.
5. Prepare for What’s Next
Tomorrow’s charging needs won’t look like today’s. Fleet operators, shared mobility services, micromobility providers, and even autonomous vehicles will drive new demand patterns—and infrastructure planning needs to stay ahead of the curve.
What You Can Do Next
1.Assess Your Network Needs
Start by benchmarking your current or planned charging setup. Use insights from SEI’s research.
2.Plan the Right Charger Mix
Work with our engineers to model the optimal combination of AC and DC chargers based on your fleet size, site layout, and usage patterns.
3.Launch, Learn, Scale
Begin with a pilot installation that blends charging speeds. Track real-time usage, fine-tune your setup, and expand with confidence.
Want to get started?
Reach out to our EV Charging solutions team at 📩 info@ulandpower.com
Let’s design a charging network that actually works—for you and your drivers.





