RACHEAL AYOBAMI ADELUSI

Data Analyst | Energy Auditor

About

Accomplished Data Analyst and Energy Auditor with a proven track record of leveraging advanced analytics to drive significant revenue recovery, optimize operational efficiency, and inform strategic decision-making within the energy sector. Excels in Power BI dashboard development, Python/SQL automation, and comprehensive data analysis, consistently delivering quantifiable impact such as uncovering N1.47B in outstanding revenue, reducing energy theft by 40%, and accelerating decision-making by 30%. Her expertise in electrical engineering and data-driven problem-solving positions her as a high-impact professional ready to tackle complex challenges in data analytics roles.

Work Experience

Data Analyst / Energy Auditor

Eko Electricity Distribution Company

Feb 2023 - Present

Lagos, Lagos, NG

Led data analysis and energy auditing initiatives, driving significant revenue recovery, operational efficiency, and strategic decision-making through advanced analytics and Power BI dashboard development.

  • Analyzed revenue and consumption data across 12 business units, identifying under-performing feeders with <30% collection efficiency, uncovering N1.47B/month in outstanding revenue, and recommending strategies that optimized financial performance and revenue recovery.
  • Spearheaded low-vending investigations for 171 Band A Prepaid meter customers, identifying abnormal vending patterns, conducting 50 field visits, and recovering approximately N2 million in revenue.
  • Designed performance-driven Power BI dashboards, enhancing management visibility into operational performance, enabling real-time insights, and accelerating decision-making by 30%.
  • Executed routine feeder energy accounting, meter audits, and compliance checks, maintaining compliance standards for multiple substations and minimizing energy theft incidents by 40%.
  • Automated monthly revenue reporting processes using Python and Excel macros, reducing report generation time from 5 days to 2 days, enabling faster strategic interventions.
  • Conducted comprehensive technical analysis of transformer loading patterns across 80+ distribution transformers, identifying 15 overloaded assets, and recommending capacity upgrades to prevent potential network failures.

Technical Assistant (NYSC)

Nigerian Air Force Base

Sep 2021 - Aug 2022

Makurdi, Benue, NG

Monitored equipment performance and streamlined maintenance operations, significantly improving incident response and reducing downtime through data-driven analysis and standardized reporting.

  • Monitored equipment performance metrics and documented daily technical activities, establishing systematic logging procedures that reduced incident response time by 35% and enhanced preventive maintenance planning.
  • Leveraged data analysis techniques to identify the top three equipment failure modes, leading to a 20% reduction in overall equipment downtime and streamlined operational efficiency.
  • Created standardized technical reports and maintenance logs for 20+ critical equipment assets, improving knowledge transfer between shifts and supporting data-driven maintenance budgeting decisions.

Education

Electrical & Electronics Engineering

Ladoke Akintola University of Technology

Sep 2017 - Jun 2021

Oyo, Oyo, NG

Certificates

SQL Associate

DataCamp

Nov 2025

Data Analysis

Tech4Her

Oct 2025

Power BI Bootcamp

Power BI Project Club

Sep 2025

Business Analysis & Data Mining

Flexolutions Ltd

Mar 2024

Data Analytics

Side Hustle

Dec 2022

Projects

Energy Consumption Analytics Dashboard

Jul 2025 - Oct 2025

Built interactive dashboard analyzing load patterns across 10+ US regional distribution areas, tracking hourly intensity variations, peak demand periods, and seasonal trends using public utility data. Created color-coded heatmaps and temporal visualizations to identify consumption peaks, enabling utilities to optimize resource allocation and predict demand spikes with greater accuracy. Delivered actionable insights on year-over-year growth trends and load factor performance.

Global Sales Performance Dashboard

Jun 2025 - Sep 2025

Analyzed $59.84M in global sales data across 15K customers and 12+ product lines, building a 4-page interactive dashboard with executive, product, performance, and customer intelligence views. Implemented advanced DAX measures to track $35.04M profit (58.56% margin), customer lifetime value ($3.92K average), and segmented revenue by customer lifecycle (Repeat: $28.85M, Loyal: $17.44M, New: $10.69M). Designed drill-through capabilities for store-level analysis, enabling stakeholders to identify top-performing brands (Wide World Importers: 46.29%) and optimize sales strategies across regions.

Languages

English

Skills

Data Analysis & Visualization

  • Excel
  • SQL
  • Power BI
  • DAX
  • Python

Engineering & Domain Expertise

  • Energy Auditing
  • Technical Documentation
  • Equipment Analysis
  • Revenue Assurance
  • Consumption Analysis
  • Loss Detection

Analytics Capabilities

  • Data Cleaning
  • Statistical Analysis
  • Pattern Detection
  • Data Modeling
  • Dashboard Design
  • Automation