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How an On-Grid Solar System Works

On-grid Diagram

Frequently Asked Questions

Yes, the MNRE subsidy program is still active. The current subsidy is ₹78,000, applicable to domestic consumers only.
You will need the following:
  • Aadhaar card
  • PAN card
  • Bank passbook
  • Recent KSEB bill
  • Location of your house (Google Maps works)
  • Phone number
Yes and No. You’ll still receive a bill for the fixed charge, which is usually under ₹300 depending on project size. However, the energy charge will be zero.
KSEB pays ₹3.26 per unit for banked solar energy. Settlement usually happens between September and November. You’ll need to submit your bank passbook.
Yes. You will need to upgrade the inverter to a hybrid model and add a battery pack. The cost is negotiable, especially if you're under warranty and trading in old equipment.
No, TOD (Time of Day) billing only affects the cost of electricity from the grid. It has no impact on solar production.
TOD (Time of Day) billing adjusts the price of electricity depending on when you use it. The base unit rate is ₹8.80:
  • Daytime (6:00 AM – 6:00 PM): 75% → ₹6.60/unit
  • Evening Peak (6:00 PM – 11:00 PM): 125% → ₹11.00/unit
  • Night (11:00 PM – 6:00 AM): 100% → ₹8.80/unit
This structure encourages off-peak energy usage and helps reduce overall demand.

Our Solar Workflow

Site Inspection

Site Inspection

Paperwork

Paperwork

Installation

Installation

Work Inspection

Work Inspection

Commissioning

Commissioning

Maintenance

Monitored Maintenance

Solar Project Estimator

Estimate the right system size and potential savings instantly.

System Size

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Required Area

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Monthly Savings (₨)

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Annual Savings

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CO₂ Offset

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Payback Period

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Our Impact in Numbers

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Installed Capacity

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Successful Projects

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0 + Years

Experience

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Customer Satisfaction

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CO₂ Emissions Avoided

Our Recent Solar Installations

Installation 1

Modern Solutions

Pazhaganadu,Ernakulam

Installed: 8 kw

Installation 2

Dr. Reji Kuruttukulam

Kadavanthara,Ernakulam

Installed: 5 kw

Installation 3

Santhi Riverdale

Thykoodam,Ernakulam

Installed: 10 kW

Installation 4

James

Pallikara

Installed: 3 kW

Installation 5

Renjith Pankar

Kadavanthara,Ernakulam

Installed: 5 kW

INDEX Products / Installation Client Base

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Client 6
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Contact Us

Get in touch with our team for quotes, consultations, or technical support.

Company Address

Index Informatics Systems Pvt. Ltd.
HIG- 25, Panampilly Nagar, Cochin-36
Ernakulam Kerala, 682036

Business Hours

Mon – Sat: 9:30 AM – 6:00 PM
Sunday: Closed

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