Our Services

Operation and Maintenance

We deliver comprehensive operation and maintenance (O&M) services for commercial solar PV systems, ensuring consistent performance, reliability, and maximum return on investment. From performance monitoring to preventative maintenance and system optimisation, we keep your assets operating at peak efficiency.

Even well-installed solar systems can experience issues over time—reduced output, panel faults, wiring problems, shading or inverter failures. Our expert engineers identify the cause quickly and restore full system performance with minimal downtime.

Keeping your system generating energy

Even the best-designed systems need regular care to stay efficient — issues like dust build-up, inverter degradation, or wiring faults can reduce output over time. Our expert engineers monitor, maintain, and fine-tune your system to prevent failures and maximise generation.

Why choose Altho

We specialise in:

  • Preventative and reactive maintenance for commercial solar systems
  • Real-time system monitoring and performance reporting
  • Inverter and component replacement
  • Electrical testing, inspection, and compliance certification
  • Performance optimisation and long-term efficiency upgrades
  • Maintenance for legacy and orphaned systems
Fault Assessment & Diagnostics

We locate the issue using system testing, monitoring data and on-site inspection.

Repair Plan & Quotation

We provide a clear repair strategy with transparent cost options.

System Repair

We replace or repair damaged components, wiring or inverters.

Performance Restoration

We optimise settings and check full output efficiency.

Health Check & Maintenance Options

We ensure safety compliance and offer ongoing support packages.

Service Options
1

Fault Finding & Diagnostics

Identify issues with underperforming systems
2

Inverter Replacement

Upgrade or replace faulty or outdated inverters
3

Panel Repair & Replacement

Fix damaged modules and restore output
4

System Optimisation

Improve generation efficiency and longevity
5

Scheduled Preventative Maintenance

Annual checks to prevent costly downtime
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