Updates of the 2019 ERCs
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.
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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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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.