Updates of the 2021 ERCs
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.
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01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 27 May 2021
Region: New Zealand Show: Percentage risk curves
This report publishes the historical electricity risk curves (ERCs) against controlled storage as presented by the system operator undertaking their security of supply forecasting function. Changes or discontinuities with the approach over time are indicated with a vertical grey line.
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 30 Apr 2021
Region: New Zealand Show: Percentage risk curves
This report publishes the historical electricity risk curves (ERCs) against controlled storage as presented by the system operator undertaking their security of supply forecasting function. Changes or discontinuities with the approach over time are indicated with a vertical grey line.
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 20 Apr 2021
Region: New Zealand Show: Percentage risk curves
This report publishes the historical electricity risk curves (ERCs) against controlled storage as presented by the system operator undertaking their security of supply forecasting function. Changes or discontinuities with the approach over time are indicated with a vertical grey line.
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 23 Mar 2021
Region: New Zealand Show: Percentage risk curves
This report publishes the historical electricity risk curves (ERCs) against controlled storage as presented by the system operator undertaking their security of supply forecasting function. Changes or discontinuities with the approach over time are indicated with a vertical grey line.
01 Jul 2020 - 31 Dec 2021 and custom parameters
Date range: 01 Jul 2020 - 31 Dec 2021 (18 months) Effective date: 26 Feb 2021
Region: New Zealand Show: Percentage risk curves
This report publishes the historical electricity risk curves (ERCs) against controlled storage as presented by the system operator undertaking their security of supply forecasting function. Changes or discontinuities with the approach over time are indicated with a vertical grey line.
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 Show: Percentage risk curves
This report publishes the historical electricity risk curves (ERCs) against controlled storage as presented by the system operator undertaking their security of supply forecasting function. Changes or discontinuities with the approach over time are indicated with a vertical grey line.
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 Show: Percentage risk curves
This report publishes the historical electricity risk curves (ERCs) against controlled storage as presented by the system operator undertaking their security of supply forecasting function. Changes or discontinuities with the approach over time are indicated with a vertical grey line.
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 Show: Percentage risk curves
This report publishes the historical electricity risk curves (ERCs) against controlled storage as presented by the system operator undertaking their security of supply forecasting function. Changes or discontinuities with the approach over time are indicated with a vertical grey line.
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 Show: Percentage risk curves
This report publishes the historical electricity risk curves (ERCs) against controlled storage as presented by the system operator undertaking their security of supply forecasting function. Changes or discontinuities with the approach over time are indicated with a vertical grey line.
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 Show: Percentage risk curves
This report publishes the historical electricity risk curves (ERCs) against controlled storage as presented by the system operator undertaking their security of supply forecasting function. Changes or discontinuities with the approach over time are indicated with a vertical grey line.