Benjoe Herrera

Electrical Engineer with 10+ years of experience in renewable power plants and Battery Energy Storage Systems (BESS), covering construction, testing & commissioning, troubleshooting, and operation & maintenance. Strong expertise in HV/MV/LV electrical systems, including power distribution, protection, control, and grid interconnection. Skilled in system integration, functional testing, fault analysis, and plant performance optimization, ensuring safe and reliable operation of renewable energy facilities.

SENIOR PROJECT ELECTRICAL ENGINEER - CITICORE CONSTRUCTION INC. – IRESS (SOLARBESS) Power Plant

(2025-09)

• End-to-end testing and commissioning of Solar PV and BESS hybrid systems from pre-energization to commercial operation
• Verify readiness of electrical, protection, control, and communication systems prior to energization
• Conduct comprehensive VRE compliance testing for Solar PV + BESS hybrid operation, including: Active and reactive power control (P/Q control), Voltage control and power factor regulation, Capacity firming Test, Ramp rate control profiling / variable ramp rate test, Frequency response and grid support functionality, Power and energy round-trip efficiency testing of BESS
• Validate BESS performance including charge/discharge cycles, State of Charge (SOC) control, response time, and grid support services
• Ensure full SCADA and communication system integrity, including telemetry, remote control, and NGCP interface
• Test and confirm protection relay coordination and overall system stability compliance
• Prepare, complete and turnover all construction and commissioning documentation, detailed test reports, and NGCP compliance requirements

SENIOR ELECTRICAL ENGINEER - CITICORE CONSTRUCTION INC.- EPC Solar Power Plant

(2023-11 - 2025-03)

• EPC PROJECT MANAGEMENT - Collaborate with cross-functional teams to manage the EPC process for solar power projects from conception to completion.
• DESIGN ANALYSIS - Analyze electrical designs for solar power plants, including solar array layouts, inverter configurations, and electrical distribution systems considering factors such as efficiency, reliability and safety.
• TESTING AND COMMISSIONING - Conduct performance testing of electrical systems, including inverters, transformers, switchgears, substation protection devices, HV Equipment and SCADA, to validate their compliance with design specifications.
• QUALITY ASSURANCE - Implement rigorous quality assurance processes to guarantee the reliability and performance of electrical systems.
• ENERGIZATION - Coordinate with utility companies to facilitate grid interconnection, ensuring compliance with relevant standards and regulations.

CONSTRUCTION MANAGER - CITICORE CONSTRUCTION INC.- EPC Solar Power Plant

(2025-03 - 2025-07)

FIELD SERVICE ENGINEER - Schneider Electric (International operation)

(2018-03 - 2023-11)

Regular attendance at customer sites for installation, testing & commissioning and maintenance of electrical systems

• 460V/24KV/36KV MVSG Switchgear
• up to 34KV Ring Main Unit (RMU)
• Protection relay and Power meters
• MV/LV Variable Frequency Drive (VFD) and Soft Starter
• Power transformer
• Monitoring software, gateways, SQL and OPC, Com protocol like modbus RTU / TCPIP, DNP3
• Commissioning activity on MV & LV Systems
• Systems testing and fault diagnosis
• Modifications / modernization of legacy systems
• Contribute to customer training activities

BS - Electrical Engineering - Batangas State University (2010 - 2015)