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bennelson · 04-08-17, 08:12 PM

Does anyone have strong feelings one way or another whether to use 215w micro-inverters vs. 250w inverters with my 260 watt solar panels?

And just so you know, the M215 are 215w continuous, 225w peak and the M250 are 240w continuous, 250w peak.

In my experimenting so far, it's been difficult to get the solar panels to produce more than 225 watts. (Sunny morning, manually tilting solar panels directly towards sun as best I can.)

It's been hard to find real numbers for the PTC (Real World Power) for the Helios 6T 260. I've seen numbers anywhere from 190 watts to 235 watts. Those numbers though seem to indicate that there's no reason to buy M250 inverters over M215 inverters.

The Enphase white paper can be downloaded at: https://enphase.com/en-us/support/te...microinverters

04-08-17, 08:12 PM	#117
bennelson Home-Wrecker Join Date: Sep 2008 Location: SE Wisconsin Posts: 546 Thanks: 3 Thanked 165 Times in 96 Posts	Does anyone have strong feelings one way or another whether to use 215w micro-inverters vs. 250w inverters with my 260 watt solar panels? And just so you know, the M215 are 215w continuous, 225w peak and the M250 are 240w continuous, 250w peak. In my experimenting so far, it's been difficult to get the solar panels to produce more than 225 watts. (Sunny morning, manually tilting solar panels directly towards sun as best I can.) It's been hard to find real numbers for the PTC (Real World Power) for the Helios 6T 260. I've seen numbers anywhere from 190 watts to 235 watts. Those numbers though seem to indicate that there's no reason to buy M250 inverters over M215 inverters. The Enphase white paper can be downloaded at: https://enphase.com/en-us/support/te...microinverters __________________ To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.