| Higashi-Shimizu Frequency Converter | |
| Country: | Japan |
| Province: | Shizuoka Prefecture |
| Coordinates: | 35.0581°N 138.5°W |
| Owner: | Chubu Electric Power Grid Company |
| Est: | 2003 |
| Type: | Back to Back |
| Current Type: | HVDC |
is the third facility in Japan for interconnecting the power grid of eastern Japan, which operates at 50 hertz, and that of western Japan, which operates at 60 hertz.
The Higashi-Shimizu Frequency Converter Station is operated by Chubu Electric Power Co. and is located at 677-3 Tanakake, Hirose-aza, Shimizu-ku, Shizuoka. It is fed via a 275 kV power line and a 154 kV power line. Its inverters operate at 125 kVDC and have a maximum transmission rate of 300 MW.
Japan's other converter stations are at Shin-Shinano in Nagano Prefecture, Sakuma Dam in Shizuoka Prefecture, and Minami-Fukumitsu in Toyama Prefecture.