<div dir="ltr">Hi Jerry - I'm guessing you're talking about SunPower's legacy modules that require positive grounding. 327s and 345s (as Marco recommended) shouldn't have any positive grounding requirements, so you should be able to use whatever inverter you'd like as long as the voltage tracking aspects are within spec. Here's a little snip out of SunPower publicly available safety installation manual:<div><br></div><div><img src="cid:ii_ktolzk0b0" alt="image.png" width="363" height="238"><br><div><br></div><div><a href="https://us.sunpower.com/sites/default/files/sunpower-solar-panels-safety-installation-guide.pdf">https://us.sunpower.com/sites/default/files/sunpower-solar-panels-safety-installation-guide.pdf</a><br></div><div><br></div><div>Best, August</div><div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><p><br></p></div></div></div></div></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Sep 17, 2021 at 9:19 AM Jerry Shafer <<a href="mailto:jerrysgarage01@gmail.com">jerrysgarage01@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">That may be true but no one is making inverters that work with sunpower anymore and that is a big problem<div dir="auto">Jerry</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Sep 17, 2021, 9:17 AM August Goers <<a href="mailto:august@luminalt.com" target="_blank">august@luminalt.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">SunPower still sells 327s to authorized dealers. <div><br></div><div>August<br clear="all"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><p><br></p></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Sep 17, 2021 at 7:54 AM Jay <<a href="mailto:jay.peltz@gmail.com" rel="noreferrer" target="_blank">jay.peltz@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi all<br>
<br>
I have a customer wanting to add 3 x 327 sunpower modules to his existing array of 327 sunpower modules. <br>
<br>
2 questions. <br>
<br>
Does anyone know where I could find 3, yeah doubtful <br>
<br>
And 2 what makes a good substitute?<br>
<br>
Thanks<br>
Jay<br>
<br>
Peltz power. <br>
<br>
<br>
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