1.2% of recent U.S. home systems use Mission Solar solar panels.
Mission Solar Energy
Status: Operating, small US manufacturer.
Company
USA (San Antonio, TX); OCI Holdings (South Korea) owned
U.S. manufacturing
Assembles modules in the U.S. (San Antonio, TX). Cells: Historically cells in San Antonio; now mostly imported cells (check)
Main products
MSE PERC / N-type 54-cell (MSE430-440SX9Z etc.): 400-440 W, 20.5-22.0%, PERC moving to N-type TOPCon
Warranty
product years: 25; performance years: 25; end of warranty pct: ~90% at yr 25; annual degradation pct: ~0.4%/yr; labor coverage: Limited; check terms
PVEL scorecard
Not a 2026 Top Performer. Not on the 2026 list
Price tier
mid
Risks to weigh
Small scale
Possible ownership changes under FEOC review
Specifications as stated by the manufacturer; confirm on the current datasheet and warranty document.
Mission Solar solar panels on the CEC certified list
220 certified models, 330–680 W, up to 24.1% efficient. Highest-efficiency models shown. See all models.
Model
Watts
Efficiency
Technology
Temp. coefficient
MSH12R-645HC3G
645
24.1%
Mono-c-Si
-0.2942%/°C
MSH12R-645HC3G-DC11
645
24.1%
Mono-c-Si
-0.294%/°C
MSH12R-645HC3G-DC8
645
24.1%
Mono-c-Si
-0.294%/°C
MSH12R-640HC3G
640
23.9%
Mono-c-Si
-0.2942%/°C
MSH12R-640HC3G-DC11
640
23.9%
Mono-c-Si
-0.294%/°C
MSH12R-640HC3G-DC8
640
23.9%
Mono-c-Si
-0.294%/°C
MSH12R-635HC3G
635
23.7%
Mono-c-Si
-0.2942%/°C
MSH12R-635HC3G-DC11
635
23.7%
Mono-c-Si
-0.294%/°C
MSH12R-635HC3G-DC8
635
23.7%
Mono-c-Si
-0.294%/°C
MSX10-460HN0B
460
23.7%
Mono-c-Si
-0.2927%/°C
MSH12R-630HC3G
630
23.5%
Mono-c-Si
-0.2942%/°C
MSH12R-630HC3G-DC11
630
23.5%
Mono-c-Si
-0.294%/°C
Choosing equipmentA well-installed mid-tier system beats a premium brand installed badly. Ask quotes to name exact models, compare warranties in writing, and check that the company backing a 25-year warranty is financially healthy. Compare your quotes.