Anyone else at SPI 2019?
bill von novak
Solar Expert Posts: 891 ✭✭✭✭
I got in yesterday. There's way too much to see here - the talks alone are going to take up most of my time.
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Out of Salt Lake City:
https://www.showsbee.com/fairs/55220-Solar-Power-International-2019.htmlSolar Power International (SPI) 2019
Solar Power International Date: 9/23/2019 - 9/26/2019 Venue: Salt Palace Convention Center, Salt Lake City UT, United States
-BillNear San Francisco California: 3.5kWatt Grid Tied Solar power system+small backup genset -
New stuff noted so far:
There is a LOT of storage this year; about 1/4 of the show is dedicated to storage (ESI.) And almost every solar vendor has a storage option. LFP is slightly more popular than li-ion.
This is also the year of the half cell panel. About 25% of the new panels I saw were half cell. Salescritter selling points are "more efficient" and "shade tolerant."
Bifacials are still slowly growing. Most of the majors (Trina, Panasonic, Trinko etc) have a bifacial option, and Trina was making a big deal about solar gains from reflections. From some really simplistic math I did, it looks like the reverse side is about 70% of the efficiency of the top. So sun striking the top converts at 20% efficiency, sun striking the back converts at 14% efficiency. (Lesson - don't mount the modules upside down or they won't be as efficient.)
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