Sol-Ark 18K-2P
For large homes that want seamless whole-house backup with no load shedding. Few inverters match its output, but it costs well over most rivals.
Shop Solar Kits $6,298$6,298
4 Sol-Ark hybrid inverters ranked. Each one is scored and ranked against every brand in its output, so "#3 mid-size" means third of all mid-size hybrid inverters here, not third among Sol-Ark's own.
Sol-Ark makes 4 current hybrid inverters: 4 120/240 V split-phase. Prices run from $3,849 for the Sol-Ark Limitless 12K-2P-LL to $6,298 for the Sol-Ark 18K-2P. Its best-rated model: the Sol-Ark 18K-2P (#9 of 40 120/240 V split-phase, rated 4.1). Models put out 9 to 18 kW. 4 of them are UL 1741 listed.
Prices were last checked October 23, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Sol-Ark hybrid inverters 4
- Sol-Ark 18K-2P#9 120/240 V split-phaseFull review
For large homes that want seamless whole-house backup with no load shedding. Few inverters match its output, but it costs well over most rivals.
Shop Solar Kits $6,298$6,29818 kW48 V28,800 W10 years - Sol-Ark 15K-2P#14 120/240 V split-phaseFull review
For homeowners and installers who want a long-proven whole-home hybrid with strong support. It costs more than EG4 for similar output.
Amazon Shop Solar Kits $4,999$4,99912 kW48 V19,500 W10 years - Sol-Ark Limitless 12K-2P-LL#18 120/240 V split-phaseFull review
For homes that want Sol-Ark’s backup and grid-sell features on a smaller budget, usually on a critical-loads panel. Its high idle draw is the main trade-off.
Shop Solar Kits $3,849$3,84910 kW48 V12,000 W10 years - Sol-Ark 12K-2P#27 120/240 V split-phaseFull review
For installers matching existing 12K systems or homes that want a proven Sol-Ark on a critical-loads panel. Most new buyers get more for less from the Limitless 12K-2P-LL.
altE $5,428.57$5,428.579 kW48 V12,000 W10 years
