The Coleridge Power Station is a hydroelectric facility at Lake Coleridge

Lake Coleridge

Lake Coleridge is located in inland Canterbury, in New Zealand's South Island. Located 35 kilometres to the northwest of Methven, it has a surface area of 47 km²....

 on the Rakaia River

Rakaia River

The Rakaia River is in the Canterbury Plains in New Zealand's South Island. The Rakaia River is one of the largest braided rivers in New Zealand...

 in Canterbury

Canterbury, New Zealand

The New Zealand region of Canterbury is mainly composed of the Canterbury Plains and the surrounding mountains. Its main city, Christchurch, hosts the main office of the Christchurch City Council, the Canterbury Regional Council - called Environment Canterbury - and the University of Canterbury.-...

, New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

. The power station is owned and operated by TrustPower

TrustPower

TrustPower Limited is a New Zealand electricity generation and electricity retailing company, listed on the New Zealand stock exchange.TrustPower is New Zealand's fifth largest electricity generator and the fourth largest electricity retailer , serving 260,000 customers throughout New Zealand...

. Annual generation averages 270 GWh, following redesign of the station's turbines using Computational Fluid Dynamic modelling .

Coleridge was the first major power station in which the state was involved, with construction starting in 1911. Following its initial construction, the twin 66 KV transmission lines were the longest (100+ km) and highest voltage in New Zealand.

External links

• TrustPower - Coleridge Power Station information