NEW VALE COAL
New Vale produces lignite coal and is one of two coal mining operations locally owned and operated by Greenbriar Ltd, in Southland, New Zealand.
About New Vale Coal
New Vale Coal is located about 60 kilometres northeast of Invercargill in Southland, New Zealand.
Our New Vale operation produces lignite coal – also called brown coal - which is most commonly used for residential and commercial heating, and steam generation.
We sell directly to the public for small or bulk quantities by pick up only, and offer delivery by road trucks for commercial quantities. New Vale Coal is also available through various merchants in New Zealand.
20 Year Mining Sequence Plan
Annual average coal quality parameter for two main products: Industrial Mix and Peas 25.
Coal extraction in block S2.4 and overburden removal in block S1.4.
Quality Assurance System
Samples are collected daily and analysed for:
Loss on air drying
Ash content (on as received and aired basis)
Free moisture and inherent moisture
Calculated CV (based on dafCV)
All analysis are conducted in compliance with: ISO 5069-1:1983, ISO 5069-2:1983, ISO 1171-1997, ISO 5068-2: 2007 and ASTM: D 4749-87.
Weekly and monthly samples are verified by accredited Ngakawau SGS Laboratory, and are additionally tested for:
Sulphur content (on as received and air dried basis)
Calorific Value (on as received and air dried basis).