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Appendix A - Glossary
- GWh
- Acronym for Gigawatt-hour, a term used to measure energy delivered by generation equipment. i.e. the rate at which megawatts (MW) are generated.
- ha
- Acronym for hectare, a measure of area equivalent to 10,000 square metres.
- Head
- This refers to the difference in elevation between the intake water level and the outlet water level for the hydro scheme.
- MW
- Acronym for megawatt, a term used to measure power capacity of generation equipment
Individual MW and GWh data are displayed as integers, whereas totals are calculated using data with decimal places. This may lead to rounding discrepancies. - Other Opportunities - Undefined
- In the Availabilities and Costs of Renewable Sources of Energy For Generating Electricity and Heat Report to the Ministry of Economic Development by East Harbour Management Services Ltd, September 2002 (EHMS 2002) these opportunities were not rated at high or medium confidence levels, typically on the basis of one or more of the following uncertainties:
- hydrological information
- project geological information
- economics
- perceived consenting issues
- not known/not listed in earlier reports
- p.a.
- Per Annum.
- Plant Factor
- The ratio of mean annual output of a power station to maximum annual output if operating at full capacity for whole year. May also be considered to be the ratio of mean annual flow to maximum flow through the machine.
- Scheme Definitions:
- Some of the descriptions of schemes have a code e.g. 8/2 or e.g.W34.
- The 8/2 usually identifies the 8th river that a study looked at, with 8/2 being the second scheme studied on the river.
- W34 means it is a scheme about 34km upstream of the mouth of the W… River.
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