High-voltage operation and maintenance for renewable energy assets
We protect the availability and safety of substations, transformers, interconnection lines and protection, metering and control systems. We provide preventive, predictive, corrective and installation services for medium- and high-voltage infrastructure, with a scope adapted to each asset, its risk profile and operating requirements.
Areas of specialisation
AT / MT
Electrical maintenance
O&M
Preventive and predictive
24/7
Operational continuity
Full scope
Flexible scope
A specialist partner protecting the availability of grid connection infrastructure
Solarig combines renewable asset expertise, medium- and high-voltage specialisation and local operational capabilities to keep grid connection infrastructure available, safe and ready to export energy.
Maintenance, inspection and incident response for critical electrical infrastructure equipment to reduce downtime, anticipate failures and minimise their impact on production.
A single partner who understands the interaction between the renewable plant, substation, protection systems, control systems and export lines, enabling effective technical and operational coordination.
Specialist services for substations, power transformers, switchgear, protection systems, metering and control systems, export lines and auxiliary systems.
Teams close to the assets, supported by engineering, control centres, common procedures and specialists to coordinate planned, corrective or complex interventions.
From specialist interventions to long-term O&M contracts, with technical reporting, maintenance history and recommendations to support risk, warranty and spare-parts management and retrofit or repowering investment decisions.
O&M capabilities for medium- and high-voltage infrastructure
We work on the equipment and infrastructure that enable the transformation, protection, measurement, control, and transmission of the energy generated by renewable energy assets. The scope is tailored to the configuration of each installation, its voltage level, the criticality of the equipment, and the owner’s requirements.
Electrical substations
Maintenance and intervention on step-up, collector and interconnection substations, including their main and auxiliary systems.
Auxiliary systems and communications
Inspection and maintenance of systems supporting electrical infrastructure operation, including, where applicable, auxiliary power supplies, batteries, switchboards, communications and SCADA signals.
Power transformers
Inspection, condition monitoring, maintenance and support in resolving anomalies affecting transformers and associated equipment.
Switchgear and switching equipment
Functional testing and maintenance of circuit breakers, disconnectors, switchgear and other switching, isolation and protection equipment.
Export and interconnection lines
Inspection and maintenance of lines, supports, structures or high-voltage towers, insulators, conductors, fittings and associated components.
Protection, control and metering
Verification of protection relays, trip circuits, interlocks, current and voltage transformers, signals and control systems.
High-voltage maintenance services
From a specific inspection or corrective intervention to a full-service contract, we configure the service around infrastructure criticality and the asset’s operating windows.
Connected information to anticipate incidents and act with precision
Maintaining medium- and high-voltage infrastructure requires remote supervision to be combined with an effective technical response in the field. Solarig connects control centres, digital platforms, data analysis, inspection tools and specialist teams to enable safe, traceable operations focused on grid export continuity.
24/7 Control Centres
Continuous monitoring and operational support from Solarig control centres in Spain, Mexico and Australia, coordinated with local technical teams and each asset’s operation.
SCADA, CMMS and operational traceability
Integration of alarms, operating data, work orders, planning, safety procedures, inventories and technical history in SCADA and CMMS platforms. A common information base to coordinate interventions and give owners visibility.
Analysis, KPIs and technical reporting
Tracking incidents, availability, response times, recurring defects and outstanding actions. Technical reporting turns O&M data into actionable information for prioritising interventions, spare parts and investment.
Specialist technical resources and expertise
Qualified teams and technical resources to intervene on substations, transformers, switchgear, protection systems, current and voltage transformers, control systems, communications and interconnection lines.
The experience of a global platform applied to each asset’s electrical infrastructure
High-voltage infrastructure is critical to the availability of any renewable asset. Solarig integrates its substation and interconnection-line maintenance capabilities into an O&M platform with experience across solar, wind and BESS assets, combining local presence, specialist support and common processes.
Renewable asset experience
More than 20 years of experience in the energy sector and more than 15 GW of assets managed in O&M. A track record that brings insight into the interaction between generation, storage, the grid and electrical infrastructure.
Multi-technology platform
Integrated capabilities across solar PV, wind, BESS, high voltage and renewable gases, with a complete view of the asset life cycle: commissioning, operation, maintenance, optimisation, retrofit and repowering.
International scale and local response
Presence in 12 countries and a team of more than 1,500 professionals, with teams close to assets and the support of specialists, control centres and shared procedures.
Recognition in renewable O&M
Solarig ranks as the world’s fourth-largest solar PV O&M provider, according to Wood Mackenzie. This position reflects the scale, processes and operational capability of a platform expanding its services into new technologies and critical infrastructure.
Electrical infrastructure, operations and grid export continuity
News, projects and technical content on substations, grids, operations and maintenance of renewable assets. Discover how Solarig addresses the challenges of availability, monitoring and management of critical infrastructure for the energy transition.
Electrical substations: what they are and how they work
Discover the role of substations in transforming, protecting and distributing electrical energy.
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Solarig Global Control Centre in Soria
Monitoring and management of renewable assets for continuous, efficient and safe operations.
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Solarig exceeds 1 GW in wind O&M and expands into Latin America
The company strengthens its international Wind services platform.
Read moreLooking for a specialist O&M partner for medium- and high-voltage infrastructure?
At Solarig, we combine teams close to each asset with specialist technical support and an international services platform. We help protect the availability of your electrical infrastructure, ensure grid export continuity and keep critical equipment ready to operate safely and reliably.
