[RE-wrenches] Induction Cooktops Off-Grid

[Chris Sparadeo]

Jason,

I’ve installed several Sol-Ark inverters in off-grid applications with
induction cooktops and have had zero issue. On Thanksgiving last year, a
set of off-grid  induction stoves pulled over 12 kW without flinching
(albeit with 2ea. Sol-Ark 15Ks and a hefty battery bank). I personally
don’t suggest that off-grid home owners install massive electrical loads,
but some customers are set on certain creature comforts. Most come to their
senses when they realize the sizing and cost implications…

On Mon, Jun 30, 2025 at 10:27 PM Jerry Shafer via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Hey Wrenches, Jason,
> I actually have off grid customers with induction, uses much less energy
> and  with outback have had no issues, on whole home backed up loads with
> solark, again no issues, I can't say how much it is used in an outage but
> it does work.
> Fun times
>
> On Mon, Jun 30, 2025, 7:07 AM William Bryce via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> No issues, use them at my home with Off Grid  on MNPS / MNP AIO.
>> Seamless, even when frequency shifting for AC coupled.
>>
>> On Mon, Jun 30, 2025 at 6:58 AM Jason Szumlanski via RE-wrenches <
>> re-wrenches at lists.re-wrenches.org> wrote:
>>
>>> Does anyone have any experience with how high frequency inverters handle
>>> induction cooktop loads? I'm not really asking about off-grid, because most
>>> off-grid clients use gas for cooking, but for grid-tied battery backup, we
>>> are starting to see a lot of homes with induction cooktops where the
>>> homeowner wants it on the backup loads panel.
>>>
>>> I know it's not really a reactive power issue like a motor load, but it
>>> would be a large, nearly instantaneous resistive load essentially. I'm
>>> wondering if this might lead to nuisance overloads or lights flickering.
>>>
>>> Jason Szumlanski
>>>
>>>
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