How Rooftop Solar Can Reduce Your Electricity Bill by 80%
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How Rooftop Solar Can Reduce Your Electricity Bill by 80%

Vishwajeet
December 14, 2025
5 min read
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Rooftop Solar Can Reduce Your Electricity Bill by 80%: Electricity bills are rising every year across India — especially in states like Maharashtra, where households and businesses face steep energy costs.

Rooftop solar offers an effective solution by generating clean power right from your rooftop, helping you slash your electricity bill by up to 80% or more with the right system design and net-metering setup.

In this complete guide, you’ll learn how solar panels work, how savings are calculated, what net metering is, cost breakdowns, and real-world savings examples — all in simple language.


Rooftop Solar Can Reduce Your Electricity Bill by 80%: Here’s How it Works.

Solar Power Generation

Solar panels installed on your roof capture sunlight and convert it into electricity. During daylight hours, your solar system produces clean power that you use directly in your home or shop.

This means:

  • You buy less electricity from the grid
  • Your grid consumption decreases
  • Your monthly electricity bill shrinks

This is the fundamental way solar panels reduce your electricity costs. So, Rooftop Solar Can Reduce Your Electricity Bill.


The Power of Net Metering

What Is Net Metering?

Net metering is a billing mechanism that lets homeowners and businesses send excess solar energy back to the grid and receive credits for it.

Here’s how it works:

  1. During the day, your solar panels generate more power than you use.
  2. The extra energy is fed into the grid (rotating your electricity meter backward).
  3. Those exported units are credited on your electricity bill.
  4. At night or cloudy days, you draw power from the grid and use up those credits.

This system dramatically increases savings because your bill is calculated on net usage, not gross consumption.


Why You Can Reduce Your Bill by 80% with Solar

If you are still wordering about, How Rooftop Solar Can Reduce Your Electricity Bill? Check out the following points.

1. Generate Your Own Power

When your home or shop starts using solar energy first, dependence on grid electricity drops.

If your system size matches your usage well, you can offset most of your energy needs directly from your rooftop system.

2. Export Surplus Energy Back to the Grid

If your solar system produces more electricity than you use during the day, the surplus goes into the grid and earns credits that bring down your bill even further — sometimes to near zero.

3. Reduced Grid Dependency

Grid power charges, fixed monthly maintenance charges, and rising tariffs make traditional electricity expensive.

Solar electricity, after installation, is essentially free — which means lower monthly costs as long as your system produces power.

4. Government Subsidies & Support

Various central schemes (like rooftop solar incentives) and state policies reduce upfront costs, making solar savings more significant over the long term.


Example: How Savings Add Up

Let’s simplify the math with a real-world example:

Suppose you pay ₹3,000 per month on electricity.
If your solar system generates enough power to cover daytime use and credits, your new bill might look like this:

ScenarioOld Bill (₹)New Bill After Solar (₹)Savings (%)
No Solar3,000
With Solar3,000600~80% Savings

This assumes a good system size, efficient panels, and net metering credits applied optimally.


How Net Metering Boosts Savings

Net metering is the biggest contributor to achieving bill reduction of 80% or more.

Here’s why:

  • Extra solar energy exported during midday is credited.
  • Credits reduce bills when solar isn’t producing (night/mornings).
  • Some states allow rollover of credits month-to-month, enhancing long-term savings.

In markets where utilities allow rollover credits, people often see their electricity bills close to zero for several months of the year.


Other Ways Rooftop Solar Adds Value

1. Predictable Energy Costs

Your solar system locks in your electricity production cost. While grid tariffs rise every year, solar energy remains stable — which means better budgeting and less impact from tariff hikes.

2. Increase in Property Value

Homes and shops equipped with solar panels often sell faster and at higher prices because buyers value long-term energy savings.

3. Reduced Carbon Footprint

Solar power is clean and renewable. By reducing your grid reliance, you also reduce carbon emissions and contribute to a greener environment.


What Affects Your Savings Percentage

While many solar users experience up to 80% or more reduction, actual savings depend on several factors:

System Size vs Usage

If your system produces more energy than you consume, you’ll achieve higher savings.

Roof Orientation and Sunlight

South-facing roofs with minimal shading generate electricity more consistently.

Net Metering Policy

In states with full rollover credits, you benefit more in your electricity billing cycle.

Energy Consumption Patterns

Homes using most power during daylight will save more than those with heavy night usage.


Typical Savings You Can Expect

System SizeUsage Offset (%)Typical Bill Reduction
Small Household~50%–60%40%–60%
Medium Household~70%–80%60%–80%
Large System / Shop~85%–95%80%–90%

These figures are typical when the system is designed well and net metering is set up correctly.


Quick Summary — How Solar Saves You Money

🌞 Generate free electricity from the sun
Use solar first, grid second
📉 Send surplus energy back to grid and earn credits
📅 Reduce your monthly bill drastically — often up to 80% or more


Get Your Rooftop Solar Today

Switching to rooftop solar is one of the most effective ways to bring down your electricity bill.

With net metering, proper system sizing, and the right solar partner, many households and businesses achieve savings close to 80% on their monthly energy costs — and sometimes even more.

You can reach out us at Shritej Solar to get your Rooftop Solar Today.

You can Contact Us By Filling This Form.

Corporate Office

C-252, Waluj MIDC

Chh.Sambhajinagar 431136

Mr. Abhijeet Masnale+91 9673219191

Solar doesn’t just offer savings; it gives energy independence, protection against rising tariffs, and long-term financial benefits.

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