Guides
6.6kW, 10kW or 13.2kW? Choosing the right system size
Kratos Energy·12 April 2026·4 min read
The right system size balances your current usage with room to grow. Here's a rule-of-thumb for the most popular sizes.
Quick guide
- 6.6kW — small homes, bills around $250–350/mo
- 10kW — medium homes with air-con or a pool
- 13.2kW — large homes, high usage, three-phase
- 20kW+ — estates and light commercial
If you're planning a battery or EV, size up — the extra generation pays off quickly.
