214 generation, renewable fuels, biogas/biomethane and renewable hydrogen, supported by industrial transformation and digitalization [10]. 4.4 Measurement, transparency and assurance implications Mining decarbonization increasingly depends on credible measurement and reporting of emissions reductions. Peru’s National Inventory Document and the institutional MRV framework under UNFCCC reporting provide a reference for boundary setting and transparency in national emissions accounting [8]. At the operational level, this supports systematic tracking of (i) fuel consumption and substitution, (ii) electricity sourcing and emissions factors, and (iii) equipment and process performance over time. Robust monitoring and verification also enable alignment with evolving market expectations for low‑carbon minerals, a theme highlighted in Peru‑specific sector analyses [6]. 4.5 Treatment of hard-to-abate and residual emissions (illustrative: aviation). While this analysis focuses on operational energy-related emissions at mining sites (Scopes 1 and 2), remote operations may also generate indirect emissions that are difficult to eliminate in the short term, such as personnel air travel. After priority mitigation measures are applied to core energy uses, complementary approaches may be considered for residual emissions. Emerging mechanisms such as Sustainable Aviation Fuel (SAF) Book & Claim schemes can support decarbonization of aviation-related emissions through credible accounting frameworks and are best treated as complementary measures applied after direct mitigation and within robust MRV practices. 5. DESCARBONIZATION SOLUTIONS FOR MINING OPERATIONS 5.1 Renewable electricity supply and mine power system design Renewable electricity can decarbonize major electrified loads (comminution, pumping, ventilation and auxiliaries) via grid procurement and/or mine power-system redesign: • Grid-based renewable sourcing (contracts/attributes, PPAs where feasible) to reduce Scope 2 with limited operational change. • On-/near-site solar and wind integrated through mine microgrids for remote or reliability-constrained sites. • Hybridization (storage + controls) to manage intermittency, power quality and reserve requirements. In practice, shifting toward power-dominant architecture also enables broader electrification and, where relevant, on-site electrolysis. 5.2 Energy efficiency, operational optimization and digital energy management Efficiency reduces both fuel and electricity demand and improves the economics of fuel
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