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Service Operations

PowerWatch-Solar Service & Maintenance is Barrington Power’s operations support organization.

Routine maintenance and repair is available to customers in the Vermont, New Hampshire and Southern Maine. Service is limited to commercial scale solar installations of 40 or more kilowatts. Under annual service agreements customers may contract for all or part of the following services:

Preventative Maintenance.

Services under Preventative Maintenance Contracts Include:

  • AC Subsystem – Inspect labels, cable insulation, debris, sub-panels, connections. Re-torque as needed
  • DC Cable Management – General inspection. Sharp edges, properly secured
  • DC Combiner Boxes – Inspect all. Debris, water, fuses, arcing, open circuits, insulation, connections
  • Grounding – Spot check. Inverters, modules, boxes, conduit, racking, connections. Fix faults as needed
  • Inverters – Check all for fault or error readings, case & cover, fan & filters. Re-torque connections
  • Main AC Disconnect – Inspect labels, cable insulation, debris, connections. Re-torque as needed
  • Monitoring Equipment– Inspect debris & water, loose connections, confirm reporting correctly
  • PV Modules – General inspection. Soiling, debris, damage, discoloration, j-box, front & back
  • Site – General Inspection. Fence, gate, roof slip sheets, trash, drainage, wild life, vegetation
  • Testing – String & Module Level Electrical Testing and I-V Curve Trace as needed
  • PV Array Mounting Equipment – Spot check. Corrosion, ballast blocks, tilt/shifting, connections
  • Transformer – General Inspection.
  • Weather Station – Inspect calibration, plane/mounting of pyranometer, replace desiccant, clean sensor

Corrective Maintenance and Additional Services

Corrective Maintenance Services are generally triggered by a Monitoring Alert reporting a drop in expected system production. PowerWatch can monitor production from the site multiple times a day, comparing actual to predicted production. Certain alerts can be corrected remotely. Other alerts are triaged to determine if the issue has a safety aspect requiring an emergency response, or (far more typically) permit the on-site service call to be scheduled days or weeks in advance.

Frequency: Two site visits annually, additional visits as required

Common Corrective Maintenance tasks include:

  • Inverter troubleshooting and warranty management
  • String and Connector repairs
  • Panel Replacements
  • Panel manufacturer defect identification and tracking
  • Monitoring troubleshooting and repair
  • Fuse replacements
  • Breaker tightening and replacements
  • Ground fault identification
  • System Wide IV Curve testing (every 3-5 years)
  • Aerial or customized IR thermal imaging (optional)
  • Power Quality Analysis
  • Vegetation management, as required
  • Module washing, as required, minimum once per year

Pricing for Service contracts will reflect the extent to which customers take advantage of either or both Preventative and/or Corrective Maintenance services.

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