Mayfield Hinds Valetta Water Ltd (MHV) - Contract area 58,145 hectares | Scheme allocation 21.4 cubic m/sec.

Ashburton Lyndhurst Irrigation Ltd (ALIL) - Contract area 36,341 hectares | Scheme allocation 13.3 cubic m/sec.

Total Area Irrigated 94,486 hectares.

Total Irrigation Water Demand 34.7 cubic m/sec.

Irrigation season 10th September to 9th May, Generation Season 10th May to 9th September.

RDRML also supplies some of the Barrhill Chertsey Irrigation Limited (BCIL) scheme with up to 8 cubic m/sec of water via a water swap arrangement with part of the BCIL’s Rakaia River consented allocation.

Montalto - Station capacity 1.8 MW | Operating head 7 metres | Average generation 12 GWh

Highbank - Station capacity 25.5 MW | Operating head 104 metres | Average generation 94 GWh

Ashburton District Ranges from 300 litres / sec to 1500 litres / sec depending on seasonal requirement