| Ichari Dam | |
| Location Map: | India Uttarakhand |
| Coordinates: | 30.6136°N 77.7911°W |
| Country: | India |
| Location: | Dakpathar |
| Status: | O |
| Opening: | 1972 |
| Owner: | Uttarakhand Jal Vidyut Nigam Ltd (UJVN) |
| Dam Type: | Gravity |
| Dam Height: | 590NaN0[1] |
| Dam Length: | 1550NaN0 |
| Dam Volume: | 1810000NaN0 |
| Dam Crosses: | Tons River |
| Spillway Capacity: | 135000NaN0 |
| Res Name: | Ichari Reservoir |
| Res Capacity Total: | 89300000NaN0 |
| Res Capacity Active: | 51100000NaN0 |
| Res Surface: | 80NaN0 |
| Plant Hydraulic Head: | Chibro: 1100NaN0 Khodri: 57.90NaN0 |
| Plant Commission: | Chibro: 1975 Khodri: 1984 |
| Plant Type: | Run-of-the-river |
| Plant Turbines: | Chibro: 4 x 60 MW Francis-type Khodri: 4 x 30 MW Francis-type |
| Plant Capacity: | Chibro: 240 MW Khodri: 120 MW |
The Ichari Dam is a concrete gravity dam on the Tons River 130NaN0 north of Dakpathar in Uttarakhand, India. The primary purpose of the dam is hydroelectric power production and it is a run-of-the-river-type. It was completed in 1972. The dam diverts water to the Chibro Power Station (240 MW) which is then returned to the Tons River before being fed to the Khodri Power Station (120 MW).
The dam is a 590NaN0 tall and 1550NaN0 long concrete gravity type with a structural volume of 1810000NaN0. The dam's spillway is located across its crest and is controlled by seven floodgates. It has a maximum discharge capacity of 135000NaN0. The dam's reservoir has a 89300000NaN0 capacity, of which 51100000NaN0 is active (or "useful") capacity. The surface area of the reservoir is 80NaN0.[2]
Adjacent to the dam and on its left bank, water is diverted into a 6.20NaN0 head-race tunnel which leads south to the underground power station at . There, the water powers four 60 MW Francis turbine-generators. The design hydraulic head of the station is 1100NaN0 and its design discharge is 2000NaN0. The plant was commissioned in 1975 and was the first power plant built underground in Northern India.[3] Made by
Water discharged from the Chibro Power Plant is returned into the Tons River just 1000NaN0 upstream of the intake for the Khodri Power Station. Water enters the intake and then travels south down a 7.50NaN0 head-race tunnel which leads to the power station on the Yamuna River at . There, the water powers four 30 MW Francis turbine-generators before being discharged into a tail-race channel behind the Dakpathar Barrage. The design hydraulic head of the station is 57.90NaN0 and its design discharge is 2000NaN0. The plant was commissioned in January 1984.[4]