GivEnergy Gen3 6.0kW String Inverter (GIV-PV-6.0-G3)

Inverters

GivEnergy Gen3 6.0kW String Inverter (GIV-PV-6.0-G3)

Larger GivEnergy Gen3 for whole-house G99 installs. 6kW single-phase with dual MPPT.

8.9
Excellent

£524.84 ex VAT

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How it scores

Peak Efficiency(25%)
9.0/10
Power & MPPT Handling(20%)
8.8/10
Battery & Ecosystem(20%)
8.3/10
Warranty & Reliability(20%)
9.5/10
Value for Money(15%)
8.8/10

Scores based on published manufacturer specifications and weighted criteria — not lab testing. Methodology.

Specifications

Phase
single
Hybrid
No
Max kW
6
IP rating
IP65
Weight kg
12
Mppt count
2
Dimensions mm
430x342x158
Warranty years
12
Optimiser required
No
Peak efficiency %
98

What I noticed

The 6.0kW Gen3 variant is the larger sibling of the GivEnergy 3.6kW string inverter — same architecture and feature set, scaled up for installs requiring G99 grid connection. Dual MPPT design handles two separate panel strings.

Like the 3.6kW model, this is solar-only (no battery interface). Pair with a separate GivEnergy hybrid inverter for battery storage, or the GivEnergy AIO if combined solar+battery is preferred.

Who it suits

Larger UK single-phase homes (4-5 bed) with PV arrays above 3.68kW peak. Particularly suitable when planning GivEnergy ecosystem integration for current or future battery storage.

What I'd watch for

Solar-only — needs a separate hybrid inverter for batteries. G99 grid application required, adding 4-8 weeks to install timeline.

Gen3 6.0kW String Inverter (GIV-PV-6.0-G3) head-to-heads

Side-by-side scoring vs each alternative in our shortlist.

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Background reading and decision-tree pages that put this product in context.