We have great graphs showing average lake levels per month over a number of years, as well as inflows.
Are there similar graphs or information showing average hydro spill per month at a national level?
- Environment
- Average hydro spill per month
Average hydro spill per month
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- Last post 13 December 2020
Matthew Keir
posted this
09 July 2019
- Last edited 13 February 2020
Hi Russell,
Sorry, no we don't have any regular feed of spill data.
Periodically, we update the hydrological modelling dataset. Next update should be in the new year. This dataset includes a weekly spill series for the main hydro systems.
www.emi.ea.govt.nz/Environment/Datasets/HydrologicalModellingDataset/3_StorageAndSpill_20171231
Otherwise, your best bet is to check the generator's websites. Check out the following post for a few links.
www.emi.ea.govt.nz/Forum/thread/inflow-data-download/
Cheers,
Matthew
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luckiestmanalive
posted this
13 December 2020
Hi Matt and RB.
Given the significant spill event in December 2019, please could you include daily water spill in the chart? The hydrological chart on EMI shows storage levels dropping after 2 December 2019 but we know from the Authority's report into the UTS that spilling was occurring from 3-18 December 2019 so it is impossible to know how much of the reduction in storage levels during this time were due to generation and how much was from spillage. Consequently, adding daily spill is crucial for establishing confidence in and competitiveness of the electricity market.
Cheers
Greg
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