Promise Nwiko

Power systems specialist with extensive command of transmission and distribution networks, where I have consistently driven operational excellence across 132/33/11kV substations and 33/11/0.415kV distribution systems. My expertise spans SCADA operations, grid stability management, fault diagnostics, and energy loss reduction within Nigeria's evolving utility sector. I have delivered measurable improvements in revenue protection, load optimization, and SAIDI/SAIFI reliability indices.

My background includes strong capability in project execution, preventive maintenance strategy, and regulatory compliance. I have led cross-functional engineering and commercial teams, strengthening system reliability, operational efficiency, and infrastructure performance across large-scale power utility environments.

System Operations Officer (Transmission & Grid Control) - NEPA / PHCN / PHEDC - Nigeria

(2002)

Regional Network & Operations Leadership

• Directed real-time operation of 132/33/11kV substations, ensuring stable grid performance and minimizing system disturbances through proactive switching coordination.
• Monitored SCADA-driven grid parameters and executed rapid fault isolation strategies, achieving improved restoration speed and reduced downtime incidents.
• Coordinated load dispatch activities and maintained frequency and voltage regulation, contributing to enhanced grid stability across multiple operational zones.
• Enforced grid safety and operational compliance standards, strengthening system integrity and reducing operational risks across transmission assets.

Feeder Network Manager (Distribution System Operations) - PHCN / PHEDC - Nigeria

• Optimized feeder load distribution and network reconfiguration processes, resulting in improved voltage stability and reduced transformer overload conditions.
• Supervised field maintenance and outage response teams, achieving faster service restoration and improved continuity of supply to end-users.
• Implemented technical loss reduction initiatives through load balancing and transformer performance optimization, improving overall network efficiency.
• Coordinated outage communication protocols with customers and stakeholders, enhancing service transparency and reducing complaint escalation rates.

Business Service Development Manager (Commercial Operations) - PHCN / PHEDC - Nigeria

• Engineered structured tariff analysis and energy costing models, improving billing accuracy and strengthening revenue forecasting reliability.
• Streamlined billing and revenue collection workflows, leading to improved cash flow performance and reduced billing discrepancies.
• Managed customer service operations and complaint resolution systems, enhancing customer retention and operational satisfaction metrics.

Senior Commercial Officer (Revenue Protection & Energy Auditing) - PHCN / PHEDC - Nigeria

• Executed advanced energy audit programs that identified system losses and improved revenue recovery through structured enforcement mechanisms.
• Led anti-energy theft and meter tampering detection operations, significantly strengthening commercial control and compliance enforcement.
• Supervised metering validation and field inspection teams, ensuring accurate consumption tracking and improved billing integrity.

Regional Maintenance Engineer (Asset Reliability & System Integrity) - PHCN / PHEDC - Nigeria

• Executed preventive and corrective maintenance on transformers, switchgear, and distribution infrastructure, enhancing system reliability and reducing failure frequency.
• Conducted electrical testing including insulation, earth resistance, and load performance assessments, improving equipment safety and operational lifespan.
• Led fault investigation and root cause analysis for network disruptions, implementing corrective measures that improved SAIDI and SAIFI performance indices.

Regional Network Manager (Project Execution & Infrastructure Development) - PHCN / PHEDC - Nigeria

• Supervised power distribution expansion projects, delivering network upgrades that increased capacity and improved regional electricity supply reliability.
• Conducted load forecasting and network planning assessments, supporting optimized infrastructure development and reduced system bottlenecks.
• Controlled project budgets and monitored cost performance, ensuring delivery of infrastructure projects within approved financial limits.

Master of Engineering Management - Engineering Management - University of Port Harcourt (2026)

Postgraduate Diploma - Electrical/Electronic Engineering - Federal University of Technology Owerri (2018)

Higher National Diploma - Electrical/Electronic Engineering - Rivers State Polytechnic, Bori (2004)