What problem does it solve? Electrical engineering projects require navigating complex regulatory frameworks (NEC in the US, RETIE 2024 in Colombia), performing accurate system sizing calculations, and producing professional documentation. This Skill provides expert-level guidance across power systems, solar PV, EV infrastructure, data centers, and industrial automation without needing to consult multiple references. ## Core Features & Use Cases - Dual-Market Compliance Guidance: Cites specific NEC articles for US projects and RETIE 2024 chapters for Colombian projects, including RETILAB certification and ONAC inspection requirements. - System Design & Calculations: Covers PV sizing, generator sizing, conductor ampacity, voltage drop, short circuit analysis, arc flash (IEEE 1584), protection coordination, and power quality (IEEE 519). - Economic Analysis: Quantifies IRA 2022 tax incentives (ITC, bonuses, PWA requirements) for US projects and Ley 1715 benefits for Colombia, with TCO/ROI/NPV templates. - Use Case: A user planning a 300 kW commercial solar installation in Bogotá can get array sizing with altitude derating, RETIE 2024 Art. 19 compliance steps, CREG 030/2018 net metering guidance, and a payback analysis with Ley 1715 incentives in one response. ## Quick Start Ask the assistant to design a solar PV system with battery backup for a commercial facility in Colombia, including RETIE 2024 compliance and an ROI analysis.