Open-Source Tool Schedules Post-Quantum Crypto Workloads During Clean Energy Windows

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A developer has released Quant Harvest, an open-source Go-based control plane designed to reduce the carbon footprint of post-quantum cryptography (PQC) workloads. As organizations migrate from classical algorithms like RSA/ECC to quantum-resistant standards such as ML-KEM, the increased computational demands translate into higher energy consumption and greater carbon emissions. Quant Harvest addresses this by buffering heavy cryptographic tasks and monitoring real-time grid carbon intensity, executing jobs only when renewable energy is dominant and pausing them when fossil-fuel generation is high. The tool uses a 200 gCO2e/kWh threshold, polls grid data every 15 seconds, and exposes Prometheus metrics alongside a live operator console. Released under the Apache-2.0 license as version 0.1.0, the project is available on GitHub and includes Docker and Kubernetes deployment manifests.

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