Authors: Diptyaroop Maji, Noman Bashir, David Irwin, Prashant Shenoy, Ramesh K. Sitaraman

Published on: February 05, 2024

Impact Score: 8.2

Arxiv code: Arxiv:2402.03550

Summary

• What is new: This paper reveals discrepancies in carbon savings reported by existing carbon optimization techniques due to the concurrent use of location-based and market-based methods for attributing renewable energy credits.
• Why this is important: There’s a lack of consensus on the method for attributing carbon-free energy, causing discrepancies in carbon savings reports.
• What the research proposes: The study analyzes the effects of concurrent attribution methods on carbon savings and suggests a reevaluation of these methods.
• Results: Up to 55.1% overestimation in carbon reductions using current methods, with the market-based method yielding up to 28.2% less carbon savings for consumers without PPAs.

Technical Details

Technological frameworks used: nan

Models used: State-of-the-art carbon optimization techniques

Data used: Data on carbon intensity across regions, and information from power purchase agreements.

Potential Impact

Energy sector, carbon information services, companies with sustainability goals, renewable energy markets.

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