SolarFit
Install the right-sized solar system—not simply the largest system that fits the roof.
SolarFit is WattZap's customer-funded and customer-owned solar solution. WattZap conducts the analysis, sizing, engineering, vendor evaluation, implementation supervision, and savings verification.
From ₹49,000 per site
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Undersized — almost every unit is self-consumed, but savings opportunity is missed. Example only, not a recommendation.
Where this fits in the journey
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Technical assessment
- Corrected energy baseline
- Daytime electricity consumption
- Solar-window absorption
- Minimum-billing impact
- Export exposure
- Roof area
- Roof condition
- Structural capacity
- Shading
- Irradiance
- Transformer capacity
- Panel capacity
- Grid-interconnection requirements
- Expansion potential
- Battery justification or rejection
Hardware
- Solar PV modules
- Inverters
- Mounting structure
- DC cabling
- AC cabling
- DC protection
- AC protection
- Earthing
- Lightning protection
- Generation meter
- Monitoring gateway
- Import/export meter where required
- Emergency isolation
Software and analytics
- Solar-sizing model
- P50 generation analysis
- P90 generation analysis
- Monthly generation simulation
- Self-consumption model
- Export model
- Minimum-billing model
- Financial model
- Vendor-comparison tool
- Project tracker
- Solar Guard dashboard
Deliverables
- Solar feasibility study
- Recommended system size
- Candidate size range
- Generation estimate
- Savings estimate
- Preliminary single-line diagram
- Equipment specification
- EPC comparison
- Implementation schedule
- Commissioning support
- Solar-savings dashboard
WattZap does not finalise solar size using annual electricity bills alone. Final sizing requires measured load data, roof assessment, and generation modelling.
Commercial model
- Feasibility study: From ₹49,000 per site
- Engineering and project-management fee
- Fixed implementation fee, depending on WattZap's responsibility
- Monthly Solar Guard monitoring
- Annual O&M coordination