Before revision: One example is in Japan, on Oshima Island (Nagasaki), which has operated since 1986 with 390 PV panels producing 10 m3/day with dissolved solids (TDS) about 400 ppm .
After revision: One example is in Japan, on Oshima Island (Nagasaki), which has operated since 1986 with 390 PV panels producing 10 m3/day with dissolved solids (TDS) about 400 ppm