Tesla Energy (Megapack)
Megapack utility-scale battery storage
Ranked #1 in Best Energy Storage Companies.
Tesla makes Megapack, an integrated utility-scale battery system, along with Powerwall for homes and businesses. Tesla deployed a record 46.7 GWh of energy storage in 2025.
At a glance
| Price from | Custom |
| Best for | Utilities and developers building large grid batteries |
From Tesla Energy (Megapack)'s own website.
What stands out
- Battery, inverter and software in one unit
- Very large annual deployment volume
Worth knowing
- Competes with lower-cost Chinese suppliers
- Price set per project
How it ranks
Tesla Energy (Megapack) is ranked 1st of 10 in Best Energy Storage Companies (Lister Score 97.3).
#1 in Best Energy Storage Companies · Lister Score 97.3
Tesla deployed 46.7 GWh of energy storage in 2025, its highest annual total..
| Rank | Best Energy Storage Companies | Score |
|---|---|---|
| 1 | Tesla Energy (Megapack) | 97.3 |
| 2 | BYD Energy Storage | 96.0 |
| 3 | CATL | 94.8 |
| 4 | Sungrow | 93.5 |
| 5 | Fluence | 92.2 |
| 6 | Hithium | 90.9 |
| 7 | LG Energy Solution Vertech | 89.5 |
| 8 | Valo (Wärtsilä and RCT Solutions) | 88.1 |
| 9 | Canadian Solar e-STORAGE | 86.7 |
| 10 | Form Energy | 85.3 |
Frequently asked questions
How does Tesla Energy (Megapack) rank on Lister?
Tesla Energy (Megapack) is ranked 1st of 10 in Best Energy Storage Companies (Lister Score 97.3).
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