Chennai IT Park Solar: 200 kW Planning Scenario

Illustrative planning scenario, not a customer case study. The 200 kW capacity is a working brief, not a recommendation. This page is not based on a signed customer record, site survey, interval load file, design, quotation, commissioning report or measured performance dataset. Every project outcome is therefore unknown.

An IT park may have steady daytime demand, but uptime, tenant metering, HVAC and data-centre interfaces make the design more than a panel-count exercise. This scenario turns a 200 kW idea into evidence the facility team can verify.

What decision does this scenario test?

The question is not whether 200 kW “works” in the abstract. The question is whether that AC capacity, paired with a documented PV array and connection design, fits the site’s measured daytime load, available area, electrical infrastructure and approval route.

A credible answer must be electrically safe, acceptable under the current project process, and commercially supportable after every cost and uncertainty is shown.

Evidence required before sizing

A missing input should stay marked as unknown. Replacing it with a typical value creates a neat result but not a reliable decision.

Engineering controls for this site

• Keep server and life-safety continuity independent from a grid-following PV system.
• Document tenant allocation and reporting rules before promising ESG or bill outcomes.
• Review harmonics, export control and protection at the actual point of common coupling.

The facility manager, electrical consultant and tenant or owner representatives should agree on the metering boundary. A dashboard is useful only after the meters, timestamps and account rights are defined.

The responsible electrical professional should sign the single-line diagram, protection settings and commissioning plan. Any safety-critical or production-critical system needs an independent continuity plan. Grid-connected solar is not backup unless the complete design explicitly supports that role.

How should the commercial case be calculated?

Use measured inputs and keep the calculation reproducible:

1. Estimated annual generation = simulation output for the documented array, orientation, losses and weather dataset.
2. Self-consumed energy = the lesser of generation and coincident site load in each interval.
3. Exported energy = generation minus self-consumed energy, subject to the approved metering arrangement.
4. Annual bill effect = avoided import charges plus documented export credit minus fixed, demand, finance, service and maintenance costs.
5. Simple payback = eligible project cost divided by annual net cash benefit.

Tax effects require written advice from a qualified professional. Financing results require actual lender terms.

What can be said about Qbits equipment?

Qbits’ published catalogue lists on-grid and hybrid inverter families with model-specific ratings. That does not prove that a Qbits model is suitable for this scenario. Nor does it state universal battery compatibility, transfer time, monitoring functions, harmonic performance, certification, warranty terms, service coverage or project support.

If Qbits is shortlisted, record the exact SKU and request its current datasheet, installation manual, applicable certificates, monitoring scope, written warranty and service terms. Compare those documents with the final design. MNRE’s current ALMM page concerns PV module and cell lists, not an inverter list.

What belongs in the handover record?

Keep approved drawings, the final equipment schedule, utility correspondence, protection settings, test results, commissioning readings, photographs, monitoring ownership, invoices, warranties and service contacts.

The EPC bid checklist helps compare proposals. The commissioning guide covers handover evidence. For a Qbits equipment enquiry, use the datasheet library and contact page.