Average discharge rate of the organization’s storage product, measured as the energy storage capacity (MWh) divided by the discharge time, during the reporting period.
Energy Discharge Rate (PI1022)
Calculation:
- Reporting Format Unit of Measure (PD1602)
- Metric Type Metric
- Metric Level Product/Service
- IRIS Metric Citation IRIS, 2022. Energy Discharge Rate (PI1022). v5.3.
Footnote
Organizations should footnote all assumptions used, including the scope of technology to which this metric applies.
Usage Guidance
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This metric is intended to capture the speed of discharge for an energy storage technology developed or deployed by the organization, a proxy for energy availability.
Impact Categories & Themes
SDG Goals & Targets
No Poverty
Good Health and Well-being
Gender Equality
Affordable and Clean Energy
- SDG Target 7.1
- SDG Target 7.3
- SDG Target 7.b
Decent Work and Economic Growth
Industry, Innovation and Infrastructure
Reduced Inequality
Sustainable Cities and Communities
Climate Action
Metric History
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June 2025 - IRIS+ v5.3b Released (current version)
No change.
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December 2024 - IRIS+ v5.3a Released
No change.
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June 2022 - IRIS+ v5.3 Released
New metric. Energy Discharge Rate (PI1022) was developed via the IRIS+ Clean Energy Expert Subgroup.