Case Study
Shadow EV Charging for Office Car Park
EV Charging for Office Car Park in Hong Kong
A 31-Storey Office/Department Store Building with 220 Parking Lots
- Building annual maximum load is 3796kVA in 2020.
- The peak load occurs at 14:20pm.
- Surplus capacity between 09:00 – 12:00 varies from 2302kVA to 493kVA, totally 4134kWhr available
| Items | Value | Notes |
|---|---|---|
No. of parking Lot | 202 | Target: one EV charging point per Lot |
Total shadow power (9am-12am) | 4,143kWh | Vary from 4,143kWh to 493kWh |
Limited EV Load at any time below 493kWh | 6.7kWh | Almost twice the average daily EV consumption in Hong Kong |
Supported EV Load (Average) | 18.6kWh | 4,143k/h/202 |
Between 9:00 am and 12:00am, this 3 hours of Shadow Power can ...
Shadow Power Charging for office car park provides 18.8kWh per hour to each 220 parking lots. It is able to provide 6.7 kWh for all 220 parking lots if we limit the EV load at any time below 493 kW. 6.7 kWh, which is almost twice the average daily EV consumption in Hong Kong. (3.95 kwh).
Having building annual max. load not uplifted, all 220 parking lots are equipped with chargers using Shadow Power.