Tummel hydro scheme

The Tummel scheme stretches from Dalwhinnie, famous for its whisky distillery, in the north, to the remote Rannoch Station in the west, and the highly-popular tourist town of Pitlochry in the east.

View of Tummel Tummel map

Power stations

Power stations

Capacity

(MW)

Gross head (metres)

Average annual output

(million units)

Year completed

Gaur

7.5

30

21

1953

Cuaich

2.5

27

7

1959

Loch Ericht

2.2

55

12

1962

Rannoch

44

156

187

1930

Tummel

34

53

142

1933

Errochty

75

186

103

1957

Trinafour

0.5

91

3

1959

Clunie

61

53

186

1950

Pitlochry

15

15

60

1950

Major dams

Major dam

Type

Length

Height

Completed

Gaur

Concrete gravity

110

13

1958

Errochty

Buttress

501

49

1957

Clunie

Mass gravity

116

21

1951

Pitlochry

Mass gravity

145

16

1951