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At ReNew, we are committed to responsible water management, aiming to minimise environmental impact while supporting long-term sustainability. We actively optimise water usage across our operations by integrating advanced technologies that improve efficiency and support conservation.
Our target: Become water-positive by 2030.
In the past four financial years, we have not experienced any water-related incidents such as operational interruptions or plant closures that resulted in any material financial impacts.
We transitioned from water-based to dry robotic cleaning of solar panels.
Coverage expanded across 55.5% more sites in FY 2025-26
564,239 m3 of water saved in FY 2025-26
29.4% increase in annual water savings
To reduce water in concrete curing, we use curing compounds that retain moisture without additional water.
Successfully piloted in FY 2022-23
Achieved 59% water reduction compared to conventional curing.
Rolled out at 8 sites in FY 2024-25
We are moving toward Zero Liquid Discharge through MBBR-based STPs across key locations.
100% reuse of treated water for gardening, cleaning, and sanitation
No external discharge
101,757 m3 of rainwater harvested across 8 Solar EPC and Wind Asset Management sites
15,000 m³ harvested in FY 2024–25 across 2 sites.
Smart backwash control: 87.5% reduction
Saving ~24,800 m³ annually.
Low-flow fixtures and mist aerators: ~4,790 m³ saved annually.
ReNew has set a long-term target of becoming Water Positive by 2030. For FY 2024–25, the annual target was defined as achieving a 20% increase in water savings over FY 2023–24. In FY 2023–24, water savings of 358,746 m³ were achieved primarily through robotic cleaning initiatives. In FY 2024–25, with the addition of further water stewardship initiatives, ReNew achieved savings of 540,372 m³, representing a 51% increase over the previous year and exceeding the annual target.
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As part of our commitment to achieve water positivity by 2030, we have established dedicated water reduction targets for our operations. For the IPP business, a target was set to achieve a 10% absolute reduction in water consumption, equivalent to 295,164 m³, while the Manufacturing business targeted a 2% reduction in water consumption intensity per MW from the FY 2024-25 baseline. Collectively, these commitments translated into a consolidated water consumption target of 1,045,833 m3 overall. We surpassed this target by 4%, recording total water consumption of 1,007,564 m3 in FY 2025-26.
For FY 2025-26, ReNew established an annual target of 949620 m3 for total net freshwater consumption in water-stressed areas. Actual consumption was 914871 m3, remaining within the target.
We continue to monitor water consumption and implement measures to improve water-use efficiency across our operations. This demonstrated continued progress in mitigating water-related risks, improving operational water efficiency, and strong water stewardship in areas facing higher water stress.
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