Mercedes-Benz HPC vs IONNA
Verdict
IONNA is cheaper at 32¢/kWh vs 40¢/kWh for Mercedes-Benz HPC. For a 60 kWh battery, IONNA saves you $3.84 per full charge. Over 200 charges per year, that is $768.00 annually.
Side-by-Side Comparison
| Feature | Mercedes-Benz HPC | IONNAWinner |
|---|---|---|
| Type | DC Fast Charge | DC Fast Charge |
| Standard Rate | 40¢/kWh | 32¢/kWh |
| Member Rate | 30¢/kWh | None |
| Membership Fee | — | — |
| Stations | 150 | 500 |
| Connectors | CCS, NACS | CCS, NACS |
Cost by Battery Size
For an 80% charge (the typical fast-charge session).
| Battery | Mercedes-Benz HPC | IONNA | Difference |
|---|---|---|---|
| 40 kWh | $12.80 | $10.24 | Mercedes-Benz pays +$2.56 |
| 60 kWh | $19.20 | $15.36 | Mercedes-Benz pays +$3.84 |
| 75 kWh | $24.00 | $19.20 | Mercedes-Benz pays +$4.80 |
| 100 kWh | $32.00 | $25.60 | Mercedes-Benz pays +$6.40 |
| 123 kWh | $39.36 | $31.49 | Mercedes-Benz pays +$7.87 |
Why Choose Mercedes-Benz HPC
- ✓Premium amenities (lounges, restrooms) at select sites
- ✓High-power 400 kW capable
- ✓Free charging tier for Mercedes EQ owners
- ✓Growing coverage in major metros
Why Choose IONNA
- ✓Automaker-backed with committed $1B+ investment
- ✓Competitive $0.25–$0.35/kWh pricing
- ✓High-power 400 kW capable architecture
- ✓Planned 30,000 stalls by 2030