Ratings Frameworks

Safe Drinking Water (SWD) Estimated Ratings Whitepaper

This document describes the methodology of the Sylvera SDW Estimated Rating framework (version 1.0).

The Estimated Rating assesses the relative risk that a credit does not represent one tonne of COâ‚‚e that was additionally avoided or removed and that is not subsequently reversed.

Carbon Accounting
Additionality
Permanence

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Safe Drinking Water (SDW) projects introduce low-emission water treatmenttechnologies that avoid the need for households to boil water using biomass fuel.Credits are issued for the reduction in non-renewable biomass burned. Version 1.0 ofSylvera’s SDW Estimated Rating framework covers household/institutional-level andcommunity-level water treatment. An Estimated Rating is an indicative range, suchas A–BBB, derived from a limited set of material data points in public projectdocumentation. It is not reviewed by a Ratings Committee, not monitored andproduced without developer engagement.

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