The Military Engineer Services (MES) has floated a tender for the comprehensive operation and maintenance (O&M) of a 5 MW solar project at Mhow, Madhya Pradesh, for 10 years.

Bids must be submitted by June 3, 2026. Bids will be opened on June 10.

The tender is valued at ₹8.67 million (~$91,715.42).

Bidders must furnish an earnest money deposit of ₹758,500 (~$8,025.17) and a tender fee of ₹3,000 (~$31.74).

They must submit a performance guarantee of 5% of the contract amount.

The scope of work entails the inspection of solar modules for cracks, discoloration, broken glass, holes, bubbling, delamination, environmental seal deterioration, frame damage, and excessive soiling. It also involves inspecting the cord-plate separation/arching, position movement, loose or disconnected wires, proper panel affixation in the tracker or racking system, condition of electrical, grounding, and mechanical conditions.

Successful bidders must ensure that the equipment is clean, secure, free of corrosion, and undamaged, including any damage caused by animal activity. The equipment must also be free of shading from nesting and vegetation overgrowth.

Selected bidders must inspect solar modules suspected of underperformance using infrared thermography and submit the results the following month. They must clean the modules with water, a soft sponge, and isopropyl alcohol.

They must also visually inspect all string-level wiring and wire management for strained wires, disconnected and separated connectors, crimped wire radii, unsecured wire harnesses/clips, animal damage/nesting, and grounding.

Successful bidders must verify that the AC and DC disconnects are free of damage and corrosion, and open and close freely. They must test each string for adequate circuit voltage and operating current during regular inverter operations and replace any defective DC cables.

They must also inspect the solar systems’ electrical conduits to ensure their structural support. The points where array wiring enters conduits must be secure, properly sealed to prevent the ingress of precipitation and moisture, and free of abrasions, breaks, or gaps in the wire insulation.

The scope of work also includes maintaining and repairing the solar systems’ strings and harnesses. A capacity utilization factor of 13% must be ensured.

Selected bidders can incur a penalty of 80% of the average daily generation value, calculated based on the preceding 30 days, if the solar project fails to generate power for even a single day, except in cases of force majeure or certified grid outages.

This February, MES invited bids for the comprehensive maintenance of a 3 MW solar power project at the Panagarh Military Station in West Bengal.

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