'Historical electricity risk curves' instances
Link to this view:
This report publishes electricity risk curves (ERCs) against controlled storage over time. On 1 August 2019, the hydro risk curves (HRCs) changed to the ERCs and to include contingent storage in the presentation. The ERCs are published by the system operator and indicate the probability of energy shortage to the electricity system. These historical curves are available as presented to the market at the time.
List view options
Latest 24 months + 12 months and custom parameters
Date range: Latest 24 months + 12 months Effective date: Latest day
Region: New Zealand
Current calendar year, with time comparisons, custom parameters, and series selection
Date range: Current calendar year with comparisons for one, two, three, and four years earlier Effective date: Latest day
Region: New Zealand Series: Controlled storage
Latest 24 months + 12 months, custom parameters, and series selection
Date range: Latest 24 months + 12 months Effective date: Latest day
Region: New Zealand Series: 10 of 11 selected
Latest 24 months + 12 months and custom parameters
Date range: Latest 24 months + 12 months Effective date: Latest day
Region: South Island
Current calendar year, with time comparisons, custom parameters, and series selection
Date range: Current calendar year with comparisons for one, two, three, and four years earlier Effective date: Latest day
Region: New Zealand Series: 10% risk
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 06 Nov 2018
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 12 Oct 2018
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 25 Sep 2018
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 29 Aug 2018
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 20 Jul 2018
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 13 Jun 2018
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 04 May 2018
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 27 Apr 2018
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 22 Mar 2018
Region: New Zealand
Latest 24 months + 12 months, custom parameters, and series selection
Date range: Latest 24 months + 12 months Effective date: Latest day
Region: New Zealand Series: Nominal full, Controlled storage, Mean - all records, 1% risk, and 10% risk
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 15 Nov 2018
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 11 Dec 2018
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 31 Jan 2019
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 22 Feb 2019
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 29 Mar 2019
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 30 Apr 2019
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 30 Apr 2019
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 21 May 2019
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 21 May 2019
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 25 Jun 2019
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 25 Jun 2019
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 24 Jul 2019
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 24 Jul 2019
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 01 Aug 2019
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 01 Aug 2019
Region: New Zealand
01 Jul 2018 - 31 Dec 2019 and custom parameters
Date range: 01 Jul 2018 - 31 Dec 2019 (18 months) Effective date: 30 Sep 2019
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 30 Sep 2019
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 30 Oct 2019
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 18 Nov 2019
Region: New Zealand
Full range and default parameters
Date range: Full range Effective date: Latest day
Region: New Zealand
01 Jan 2018 - 31 Dec 2018, with time comparisons, custom parameters, and series selection
Date range: 01 Jan 2018 - 31 Dec 2018 (1 year) with comparisons for one, two, three, and four years earlier Effective date: 01 Jan 2018
Region: New Zealand Series: Controlled storage
Current calendar year, with time comparisons, custom parameters, and series selection
Date range: Current calendar year with comparisons for one, two, three, and four years earlier Effective date: Latest day
Region: South Island Series: Controlled storage
01 Jan 2018 - 31 Dec 2018, with time comparisons, custom parameters, and series selection
Date range: 01 Jan 2018 - 31 Dec 2018 (1 year) with comparisons for one, four, six, and seven years earlier Effective date: 02 Oct 2018
Region: New Zealand Series: Controlled storage
Full range, custom parameters, and series selection
Date range: Full range Effective date: Latest day
Region: New Zealand Series: 6 of 11 selected
Current calendar year, custom parameters, and series selection
Date range: Current calendar year Effective date: Latest day
Region: New Zealand Series: Nominal full, Controlled storage, Mean - all records, and 10% risk
17 Mar 2019 - 09 Jun 2019, custom parameters, and series selection
Date range: 17 Mar 2019 - 09 Jun 2019 (85 days) Effective date: 12 May 2019
Region: New Zealand Series: All
Latest year (~365 days) and custom parameters
Date range: Latest year (~365 days) Effective date: Latest day
Region: New Zealand
Full range, custom parameters, and series selection
Date range: Full range Effective date: Latest day
Region: New Zealand Series: 8 of 11 selected
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 17 Dec 2019
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 31 Jan 2020
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 28 Feb 2020
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 31 Mar 2020
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 17 Apr 2020
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 20 May 2020
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 23 Jun 2020
Region: New Zealand
Latest 12 months + 6 months and custom parameters
Date range: Latest 12 months + 6 months Effective date: Latest day
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: Latest day
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 26 Aug 2020
Region: New Zealand
01 Jul 2019 - 31 Dec 2020 and custom parameters
Date range: 01 Jul 2019 - 31 Dec 2020 (18 months) Effective date: 16 Sep 2020
Region: New Zealand
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 31 Mar 2020
Region: New Zealand
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 17 Apr 2020
Region: New Zealand
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 20 May 2020
Region: New Zealand
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 23 Jun 2020
Region: New Zealand
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 24 Jul 2020
Region: New Zealand
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 26 Aug 2020
Region: New Zealand
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 16 Sep 2020
Region: New Zealand
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 21 Oct 2020
Region: New Zealand
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 27 Nov 2020
Region: New Zealand
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 22 Dec 2020
Region: New Zealand
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 28 Jan 2021
Region: New Zealand
Latest 24 months + 12 months, custom parameters, and series selection
Date range: Latest 24 months + 12 months Effective date: Latest day
Region: New Zealand Series: 9 of 11 selected
Latest 24 months + 12 months and custom parameters
Current calendar year, with time comparisons, custom parameters, and series selection
Latest 24 months + 12 months, custom parameters, and series selection
Latest 24 months + 12 months and custom parameters
Current calendar year, with time comparisons, custom parameters, and series selection
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
Latest 24 months + 12 months, custom parameters, and series selection
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2018 - 31 Dec 2019 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
Full range and default parameters
01 Jan 2018 - 31 Dec 2018, with time comparisons, custom parameters, and series selection
Current calendar year, with time comparisons, custom parameters, and series selection
01 Jan 2018 - 31 Dec 2018, with time comparisons, custom parameters, and series selection
Full range, custom parameters, and series selection
Current calendar year, custom parameters, and series selection
17 Mar 2019 - 09 Jun 2019, custom parameters, and series selection
Latest year (~365 days) and custom parameters
Full range, custom parameters, and series selection
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
Latest 12 months + 6 months and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2019 - 31 Dec 2020 and custom parameters
01 Jul 2020 - 31 Dec 2021 and custom parameters
01 Jul 2020 - 31 Dec 2021 and custom parameters
01 Jul 2020 - 31 Dec 2021 and custom parameters
01 Jul 2020 - 31 Dec 2021 and custom parameters
01 Jul 2020 - 31 Dec 2021 and custom parameters
01 Jul 2020 - 31 Dec 2021 and custom parameters
01 Jul 2020 - 31 Dec 2021 and custom parameters
01 Jul 2020 - 31 Dec 2021 and custom parameters
01 Jul 2020 - 31 Dec 2021 and custom parameters
01 Jul 2020 - 31 Dec 2021 and custom parameters
01 Jul 2020 - 31 Dec 2021 and custom parameters
Latest 24 months + 12 months, custom parameters, and series selection
Category - EMI features and tips 34 months ago
Category - EMI features and tips 39 months ago
Category - EMI features and tips 39 months ago
Category - EMI features and tips 34 months ago
Category - EMI features and tips 39 months ago
Category - EMI features and tips 39 months ago
Owned by:
Matthew Keir
Updates of the 2021 ERCs. This follows on from the 2019 and 2020 ERC update ...
Updates of the 2021 ERCs. This follows on from the 2019 and 2020 ERC update dashboards. Check the report notes for the black markers (more information tab after drilling into a report) to see what was driving the change to the curves in each update. Hover over the points in the charts to see how much the curves change with each update. New report instances will be added as updates occur.11 reports 3 months ago
Owned by:
Matthew Keir
Updates of the 2020 ERCs. This follows on from the 2019 updates dashboard. ...
Updates of the 2020 ERCs. This follows on from the 2019 updates dashboard. Check the report notes for the black markers (more information tab after drilling into a report) to see what was driving the change to the curves in each update. Hover over the points in the charts to see how much the curves change with each update. New report instances will be added as updates occur.18 reports 22 months ago
Owned by:
Matthew Keir
Updates of the 2019 ERCs. Note that from 1 Aug 2019 contingent storage was ...
Updates of the 2019 ERCs. Note that from 1 Aug 2019 contingent storage was included in the methodology. Check the report notes (more information tab after drilling into a report) to see what was driving the change to the curves in each update. Hover over the points in the charts to see how much the curves change with each update.20 reports 28 months ago
Owned by:
Matthew Keir
Updates of the 2021 ERCs. This follows on from the 2019 and 2020 ERC update ...
Updates of the 2021 ERCs. This follows on from the 2019 and 2020 ERC update dashboards. Check the report notes for the black markers (more information tab after drilling into a report) to see what was driving the change to the curves in each update. Hover over the points in the charts to see how much the curves change with each update. New report instances will be added as updates occur.11 reports 3 months ago
Owned by:
Matthew Keir
Updates of the 2020 ERCs. This follows on from the 2019 updates dashboard. ...
Updates of the 2020 ERCs. This follows on from the 2019 updates dashboard. Check the report notes for the black markers (more information tab after drilling into a report) to see what was driving the change to the curves in each update. Hover over the points in the charts to see how much the curves change with each update. New report instances will be added as updates occur.18 reports 22 months ago
Owned by:
Matthew Keir
Updates of the 2019 ERCs. Note that from 1 Aug 2019 contingent storage was ...
Updates of the 2019 ERCs. Note that from 1 Aug 2019 contingent storage was included in the methodology. Check the report notes (more information tab after drilling into a report) to see what was driving the change to the curves in each update. Hover over the points in the charts to see how much the curves change with each update.20 reports 28 months ago
Owned by:
Matthew Keir
Updates of the 2021 ERCs. This follows on from the 2019 and 2020 ERC update ...
Updates of the 2021 ERCs. This follows on from the 2019 and 2020 ERC update dashboards. Check the report notes for the black markers (more information tab after drilling into a report) to see what was driving the change to the curves in each update. Hover over the points in the charts to see how much the curves change with each update. New report instances will be added as updates occur.11 reports 30 this week
Owned by:
Matthew Keir
Updates of the 2020 ERCs. This follows on from the 2019 updates dashboard. ...
Updates of the 2020 ERCs. This follows on from the 2019 updates dashboard. Check the report notes for the black markers (more information tab after drilling into a report) to see what was driving the change to the curves in each update. Hover over the points in the charts to see how much the curves change with each update. New report instances will be added as updates occur.18 reports 11 this week
Owned by:
Matthew Keir
Updates of the 2019 ERCs. Note that from 1 Aug 2019 contingent storage was ...
Updates of the 2019 ERCs. Note that from 1 Aug 2019 contingent storage was included in the methodology. Check the report notes (more information tab after drilling into a report) to see what was driving the change to the curves in each update. Hover over the points in the charts to see how much the curves change with each update.20 reports 8 this week
Owned by:
Matthew Keir
Updates of the 2021 ERCs. This follows on from the 2019 and 2020 ERC update ...
Updates of the 2021 ERCs. This follows on from the 2019 and 2020 ERC update dashboards. Check the report notes for the black markers (more information tab after drilling into a report) to see what was driving the change to the curves in each update. Hover over the points in the charts to see how much the curves change with each update. New report instances will be added as updates occur.11 reports 30 this week
Owned by:
Matthew Keir
Updates of the 2020 ERCs. This follows on from the 2019 updates dashboard. ...
Updates of the 2020 ERCs. This follows on from the 2019 updates dashboard. Check the report notes for the black markers (more information tab after drilling into a report) to see what was driving the change to the curves in each update. Hover over the points in the charts to see how much the curves change with each update. New report instances will be added as updates occur.18 reports 11 this week
Owned by:
Matthew Keir
Updates of the 2019 ERCs. Note that from 1 Aug 2019 contingent storage was ...
Updates of the 2019 ERCs. Note that from 1 Aug 2019 contingent storage was included in the methodology. Check the report notes (more information tab after drilling into a report) to see what was driving the change to the curves in each update. Hover over the points in the charts to see how much the curves change with each update.20 reports 8 this week