Deep underground in the Valsugana lies the Grigno hydropower plant. Two horizontal Pelton turbines harness a head of 480 m and deliver a combined output of 14.5 MW.
2 horizontal Pelton turbines with 2 nozzles each
14,474 kW
After 66 years of operation, TROYER modernized the Grigno cavern power plant with two new generating units and a digital control system replacing the old relay-based technology. The result: around 10% more power.
Pelton - horizontal - 2 nozzles
1,750 l/s
480.00 m
7,402 kW
Synchronous generator
9,000 kVA, 5,000 V
750 rpm
Closed cooling circuit
8,000 kVA
66,400 V / 5,000 V
Pelton - horizontal - 2 nozzles
1,750 l/s
480.00 m
7,402 kW
Synchronous generator
9,000 kVA, 5,000 V
750 rpm
Closed cooling circuit
8,000 kVA
66,400 V / 5,000 V
