Green Energy Platform

Integrated O&M Services for Utility-Scale Solar PV & BESS Assets.

Full-scope operations and maintenance combining field expertise, engineering support, and digital monitoring.

Utility-scale PV & BESS O&M

What We Offer

Preventive Maintenance

Scheduled inspections and proactive maintenance to minimize downtime and extend asset lifespan.

Corrective Maintenance & Repair

Rapid troubleshooting and repair to restore system availability.

Performance Optimization & Reporting

Data-driven performance analytics powered by HEIS Platform.

24/7 System Monitoring & Performance

Continuous monitoring through our Remote Operations Center.

Field Operations Overview

Reliable field execution at scale supports both solar PV and BESS portfolios. Structured preventive programs and rapid-response corrective maintenance help maintain stable plant conditions and long-term system reliability.

How We Manage Solar & BESS Assets

Our asset management framework combines structured field execution, engineering expertise, and digital monitoring through HEIS and our Remote Operations Center, with proactive programs and rapid operational response for abnormalities and maintenance requests.

How We Operate

The operating model combines structured execution, field operations, engineering support, digital monitoring through HEIS Platform & ROC, and rapid response across utility-scale renewable assets.

Step 01
Structured Execution Model

Standardized programs and defined workflows built for repeatable field quality.

Step 02
Field Operations

Dedicated technicians and scheduled maintenance aligned with site operating conditions.

Step 03
Engineering Support

Technical depth for diagnostics, stabilization, recovery, and issue escalation support.

Step 04
Digital Monitoring

Real-time monitoring and analytics through HEIS Platform and the ROC.

Step 05
Rapid Response

Quick action on abnormalities and maintenance requests to protect plant performance.

Proven Utility-Scale O&M Experience

6.0GW
Total awarded portfolio
4.2GW
Currently in operation
3.0GW
Solar PV
4.5GWh
Battery Energy Storage
Technical Services

Technical Services Overview

Supporting our O&M operations, HCU's Technical Services team provides specialized engineering support for utility-scale PV and BESS systems, including advanced diagnostics, system recovery, commissioning, and performance troubleshooting.

Working across major OEM platforms, our technicians deliver safe, reliable, and fully documented field execution with detailed reports, testing results, and OEM-compliant documentation.

Technical services team supporting PV and BESS assets
  • Diagnostics & Troubleshooting

  • Commissioning & Testing

  • System Recovery

  • Performance Optimization

  • OEM-Compliant Execution
    across major platforms

Technical Service Work Scope for PV & BESS

Equipment Maintenance & Repair Services

Comprehensive field repairs and component replacements to restore safe and reliable system operation.

System Upgrades & Retrofits

Performance-driven upgrades to modernize aging infrastructure and enhance output.

Preventive Maintenance Programs

Structured PM services designed to minimize downtime, extend asset lifespan, and ensure optimal performance.

Remote Monitoring & Support Services

Real-time monitoring, insights, and remote troubleshooting through our HEIS 2.0 platform and our NERC/CIP-compliant ROC.

Cold & Hot Commissioning

End-to-end commissioning support for inverters, trackers, network systems, and BESS equipment.

Precision Calibration & Performance Optimization

Calibration, parameter tuning, and efficiency optimization for PV and BESS assets.

Expert Installation and Setup of New Equipment

Professional installation and configuration services to ensure new equipment is integrated safely and correctly.

Troubleshooting & Diagnostic Services

IV-curve tracing, ground-fault isolation, communication testing, and root-cause analysis for rapid stabilization.

HV/MV Services

Specialized HV & MV Transformer Testing and Repair Services

HCU provides specialized HV/MV testing, diagnostics, and repair services to ensure electrical system reliability across utility-scale solar and BESS facilities.

Our engineering teams deliver comprehensive testing, commissioning, and recovery support aligned with industry safety standards and regulatory requirements.

High voltage and medium voltage field service work

HV & MV Transformer Testing & Repair Services

Transformer Bushing Testing and Replacement

  • Insulation integrity testing to detect deterioration or early failures
  • Identification of non-compliant bushings requiring replacement
  • Timely replacement to maintain transformer reliability and safety

Transformer Testing Services (acceptance testing)

  • Full acceptance testing per IEEE/NETA standards
  • TTR, winding resistance, insulation resistance, and power factor testing
  • Ensures transformer reliability and readiness prior to energization

Dissolved Gas Analysis (DGA) Sampling

  • Sampling and analysis of transformer oil for moisture and contaminants
  • Detects insulation degradation and incipient failures
  • Supports preventive maintenance and extended asset life

Low Voltage (LV) Switchgear Maintenance and Testing

  • Thorough inspection, cleaning, and preventive maintenance
  • Functional and safety testing for improved reliability and compliance
  • Identifies wear, electrical faults, and operational risks

Power Factor Testing

  • Assessment of insulation condition in HV/MV transformers
  • Detects dielectric losses and insulation degradation
  • Supports predictive maintenance and long-term system reliability
Remote Operations Center

Centralized, 24/7 monitoring and operational support

Our Remote Operations Center (ROC) provides centralized, 24/7 monitoring and operational support for utility-scale solar and BESS assets.

The facility incorporates cybersecurity and operational protocols aligned with NERC/CIP Medium-Impact standards, ensuring secure and reliable management of critical energy infrastructure.

Through real-time monitoring, data analytics, and coordinated response with field teams, the ROC helps maximize asset availability, improve maintenance efficiency, and support long-term portfolio performance.

Remote operations center monitoring environment
Location
Georgetown, Texas
(6,000 sq ft facility)
Platform
Powered by HEIS Platform digital monitoring system
Security
NERC/CIP-aligned cybersecurity protocols
N
NERC Compliance

Aligned with NERC requirements for Medium-Impact Generator Operators (GOP).

O
Operator Training

Structured operator training program developed with GridSME.

C
Cybersecurity Protection

Advanced cybersecurity protection implemented with GridSEC.

Our ROC acts as the operational nerve center connecting field operations, engineering teams, and digital platforms across the portfolio.

Unparalleled Support with 24/7 monitoring

24/7 monitoring and dispatch services

PV, BESS resource monitoring, ticketing, issue tracking and reporting

Report generation, Work Order management, and Performance Analysis powered by HEIS

Enhancing Compliance & Cybersecurity

NERC Compliance

Facility ensures full compliance, protecting operational reliability and security

Training

Operator trainings are maintained by top operational standards

Cybersecurity

Managed to strengthen our defenses against evolving cyber threats

Monitoring Site Performance

Ensuring sites meet expected production levels.

Remote Fault Reset

Bringing equipment back online remotely.

Reporting

Generating reports as needed.

Personnel Tracking

Monitoring personnel presence and progress.

Warranty Support

Assisting with the warranty claim process.

Field Dispatch

Sending personnel to investigate and troubleshoot faults.

Coordinate with entities

Collaborating with TO/TOPs and ISOs during outages to restore sites safely and minimize loss of generation.

Training Center

Building field excellence through structured training

Investing in Technical Excellence & Workforce Growth.

Our Texas Training Center delivers scalable, real-world training programs that develop and certify high-performing field technicians. Through hands-on simulation and technical instruction, we equip our teams to safely and efficiently maintain complex solar and BESS systems.

Field technician training environment
Technician Training Program at Our Training Center

Investing in Technical Excellence & Workforce Growth

At our Texas Training Center, we operate a scalable, real-world training program designed to certify and advance top-tier field technicians. Our approach bridges theory with hands-on experience to ensure reliable, high-quality service in the field from day one through every stage of a technician's career.

Technical Service Training Program

Fast-track training for new technicians joining the TST team

  • 2-day courses led by our in-house CSP trainers
  • Includes CPR, PPE, LOTO, and solar energy fundamentals
  • CSP trainers can provide training of up to 5 people at a time on Sungrow unit

Designed to boost productivity and reduce onboarding time

Tier-Based Training (Tiers 1-4)

Technicians progress through structured tiers aligned to real-world competencies.

  • Tier 1-2: Build core skills in fault detection, performance tracking, and safety protocols
  • Tier 3-4: Master advanced diagnostics, SCADA, HV/MV systems, and field leadership

All levels include theory + field evaluations for performance-driven advancement

Hands-On, Field-Simulated Learning

We're enhancing our training capabilities with realistic field simulations, specialized equipment, and situational exercises to reflect the challenges technicians face in the field.

  • Trackers, SCADA, protective relays, network systems, and HV tools
  • Performance scenarios that simulate real-time decision-making
  • Enables safe, consistent field operations company-wide

Safety, Quality & Environmental Responsibility

S
Proven Safety Culture

We maintain a strong safety record through a structured safety management system, rigorous hazard assessments, and continuous field safety improvements across our operations.

Q
Commitment to Quality

Our certified technicians and technical specialists follow rigorous operational procedures to ensure consistent service quality across utility-scale solar and BESS assets.

E
Environmental Responsibility

Our operations prioritize environmental stewardship through responsible site practices, regular environmental monitoring, and sustainable facility initiatives.

International Safety and Health Management System Certification (ISO45001)

International Environmental Management System Certification (ISO14001)

International Quality Management System Certification (ISO 9001)