Number of cycles that the organization’s energy storage product can be charged and discharged over its lifetime as of the end of the reporting period, measured as cumulative energy (MWh or MJ).
Energy Storage Device Cycle Life (PD4577)
- Reporting Format Unit of Measure (PD1602)
- Metric Type Metric
- Metric Level Product/Service
- IRIS Metric Citation IRIS, 2022. Energy Storage Device Cycle Life (PD4577). v5.3.
Footnote
Organizations should footnote the method used for estimating the cycle life, the scope of technology to which this metric applies, and all other assumptions used.
Usage Guidance
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This metric is intended to capture an energy storage technology’s useful life. Organizations can estimate cycle life based on battery chemistry or through testing. The operating lifetime of batteries is calculated as the number of times the battery can be fully charged and discharged, or “cycles,” until 20% capacity degradation occurs.
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This metric is aligned to and based on SASB RR-FC-410a.5. Average operating lifetime of batteries, by product application and technology type.
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This metric captures a product’s life in terms of the number of cycles. To capture the lifetime of a product in years, organizations should report Product Lifetime (PD4587).
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 2022 - IRIS v5.3 Released (current version)
New metric. Energy Storage Device Cycle Life (PD4577) was developed via the IRIS+ Clean Energy Expert Subgroup.