| Garsten-St. Ulrich Hydroelectric Power Station | |
| Name Official: | Kraftwerk Garsten-St. Ulrich |
| Location Map: | Austria |
| Coordinates: | 48.0182°N 14.4117°W |
| Location: | Garsten, Upper Austria, Austria |
| Purpose: | Power |
| Status: | O |
| Construction Began: | 1965 |
| Opening: | 1967 |
| Owner: | Ennskraftwerke AG |
| Operator: | Ennskraftwerke AG |
| Dam Type: | Concrete gravity dam |
| Dam Crosses: | Enns |
| Spillway Type: | Over the dam |
| Plant Commission: | 1967 |
| Plant Hydraulic Head: | 13.3 m |
| Plant Turbines: | Kaplan turbines 2 × 15.5 MW, 1 × 1.943 MW |
| Plant Capacity: | 35.3 |
| Plant Annual Gen: | 157 GWh |
Garsten-St. Ulrich Hydroelectric Power Station (de|Kraftwerk Garsten-St. Ulrich|links=no) is a run-of-the-river hydroelectric power station on the Enns. It is located in Garsten municipality, state of Upper Austria, Austria.
Construction of the power station began in 1965. It was operational in 1967. Garsten-St. Ulrich is owned and operated by Ennskraftwerke AG.
Garsten-St. Ulrich dam consists of a weir with 3 sluice gates on the left side and a machine hall (length 50 m, width 48,2 m, height 36,5 m) on the right side.
The dam creates a small reservoir.
The power station contains 3 Kaplan turbine-generators, two with 15.5 MW each and one with 1.943 MW. The total nameplate capacity is 35.3 MW. Its average annual generation is 157 GWh. The turbines were provided by Andritz and Escher Wyss; the generators by ELIN and Wiener Starkstromwerke.
The maximum hydraulic head is 13.3 m. The maximum flow for all turbines is 286 m³/s.