Shopping malls require constant electricity to power lights, escalators, HVAC systems and central air conditioning, refrigeration, parking areas, pumps, security systems, and common area equipment. All of these result in a growing number of electricity bills every month.
This is where solar for shopping malls starts making financial sense.
A well-designed rooftop or ground-mounted solar system can reduce dependence on grid electricity, lower operational costs, and create a more predictable energy budget.
But how much can solar actually save for a shopping mall to run smoothly? What will be the installation & maintenance cost?
Let’s understand everything in detail below.
Why Do Shopping Malls Need to Install Solar?
A mall requires a lot of energy during the same period that a solar PV system produces peak energy. Air conditioning loads increase during the day, shops are open, the entire area needs to be illuminated, and vertical transport systems operate continuously.
This creates a valuable opportunity for solar power for shopping malls.
Instead of relying solely on the grid solely & generating more electricity, installing a property-sized solar system can allow the shopping mall to consume much of its solar power generation directly.
Common Mall Loads That Solar Can Offset
- Central air-conditioning and HVAC systems
- Escalators and elevators
- Common-area lighting
- Parking and exterior lighting
- Water pumps
- Retail and food-court operations
- Refrigeration and commercial equipment
- Digital signage and advertising displays
- Building management systems
- Administrative areas
However, the exact savings depend on the mall’s load profile, tariff structure, sanctioned load, available installation area, and electricity consumption pattern.
How Much Solar Installation Cost for Malls in India?
The solar installation cost for malls depends on some factors like the system capacity, module and inverter technology, mounting structure, rooftop conditions, electrical infrastructure, evacuation requirements, approvals, and the complexity of the site.
Solar PV systems mounted on commercial rooftops in India are generally estimated to be around ₹35,000-₹55,000 per kW. However, there may be variations in costs based on specific projects & their requirements.
For instance, a shopping mall considering a 500 kW system could potentially be looking at a project investment in the approximate range of ₹1.75 crore to ₹2.75 crore before considering any project-specific factors.
This figure should not be used as an actual quote. It is common for large shopping malls to have custom engineering requirements, and the least expensive EPC bid is not necessarily the most financially rewarding.
What Determines the Cost of Solar Panel Installation for Malls?
System Capacity
A 250 kW installation is quite different in terms of economics than a 1 MW installation. While bigger projects could enjoy economies of scale, the amount of rooftop space and electrical capabilities would still limit how large the project could be.
Rooftop Condition & Structure
A mall can have several roof portions, machine rooms, water tanks, and HVAC systems vying for space.
Before the installation of solar panels in a mall, the EPC should undertake an assessment of the structure’s strength, shadow effects, pathways, and maintenance needs.
Solar Module & Inverter Technology
Modules with higher efficiencies will produce more energy per unit of limited roof space. This is especially important in the case of a mall that has high energy consumption but limited roof space.
The key is not to go for the panel that has the highest efficiency. It is all about the technology that provides the best economics over its lifetime.
Electrical Integration
Large commercial projects require a proper interconnection within the electrical system of the shopping mall.
Various factors like transformer capacity, LT/HT link-up, protective systems, synchronization, measurement systems, and power evacuation should all be considered while designing the project.
How Much Is the Solar Energy Savings for Shopping Malls?
Suppose a shopping complex may install a 1 MW solar PV system. Based on the location and efficiency of the system operation, the estimated amount of energy produced annually may range from 13 to 16 lakh kWh.
Given that some of the generated power may be used by the shopping complex itself, and the cost savings are estimated at ₹8 per kWh, the value of solar energy may be estimated at ₹1.04 to ₹1.28 crore annually.
Nevertheless, the actual peak shaving can be higher or lower depending on the mall’s tariff, self-consumption, net-metering, or other applicable regulations.
Understanding ROI for Commercial Solar for Shopping Malls
You should consider solar like any other long-term infrastructural investment. The simplest formula for the calculation is:
Simple Payback Period = Total Solar Investment ÷ Annual Savings
If a project costs ₹2 crore and generates ₹40 lakh in annual electricity savings, then the calculation will be:
Payback = ₹2 crore ÷ ₹40 lakh = 5 years
This is why commercial solar for shopping malls can become particularly attractive when electricity prices are high and daytime consumption is substantial.
Ready to Get Solar for Shopping Malls?
Shopping malls already have a valuable energy asset sitting above their tenants and customers… the roof.
With the right engineering approach, solar for shopping malls can turn that unused space into a long-term source of electricity savings. So, if you are evaluating a solar project for a shopping mall or a large retail property, start with a site assessment with SolarEssentials.
Our experts will visit your site, evaluate the best potential of the available space, and provide a detailed quote.
Frequently Asked Questions (FAQs)
Is solar power suitable for shopping malls?
Absolutely. Shopping centers are best suited for solar power applications in that they usually require much electricity during the day for their HVAC, lighting, elevator, and escalator systems, among others. A correctly sized photovoltaic system can save on grid electricity usage and hence costs.
How much does solar installation for a shopping mall cost?
The price will vary according to the capacity of the system, components used, the construction of the roof, and the integration of electricity. However, as a general indicator for business, a project costing ₹35,000 to ₹55,000 per kW can be considered.
How many solar panels does a shopping mall need?
There is no set figure. It varies according to the electrical usage of the mall and the rooftop space needed for solar capacity. For instance, a 1 MW project utilizing 550 W panels requires about 1,820 panels.
How much can a shopping mall save with solar power?
Savings depend on the solar capacity, energy generated per year, electricity rate, and percentage of on-grid solar consumption. A properly planned and designed solar system for the commercial sector can help save money by reducing the purchase of electricity from the grid.
What is the ROI of installing solar panels on a mall?
Returns from commercial solar projects could be quite lucrative if there is higher electricity usage and favorable tariffs at the shopping mall. Payback alone should not be used to determine ROI; rather, annual savings, investment cost, IRR, NPV, degradation, and operation cost need to be considered.
How much rooftop space is required for mall solar installation?
As a working figure for planning purposes, 1 MW of roof-mounted solar PV could use 80,000-100,000 square feet of space, depending on the efficiency of the modules and other factors. The exact requirement would need to be established from a site survey.
Can shopping malls use net metering with solar power?
Yes, potentially, but whether you qualify, capacity restrictions, and methods of settling are determined by the relevant regulations of the state/DISCOM and consumer classification. Mall owners must check their current regulations before setting up the system because the MNRE says that net-metering systems are governed by relevant regulations.
What type of solar system is best for shopping malls?
For malls that have high power consumption during daytime, installing a grid-connected rooftop solar system is typically the best option to begin with. In cases where there isn’t sufficient rooftop area available, a solar carport or ground installation could be looked into, whereas the BESS may be analyzed on its own.
How long does it take to install solar panels for a shopping mall?
A solar energy system for a commercial building roof may take several weeks or even months depending on the size of the system, structure involved, electrical connection, and approvals. Engineering for large mall systems will be more comprehensive compared to rooftop solar installation.
How long does it take for a shopping mall to recover its solar investment?
The payback period would depend on project cost, energy generation from solar, electricity tariffs, self-consumption, and related regulations. For many commercial projects, an approximate range of 4-7 years could be considered, but this would need to be calculated based on the mall’s electricity bills and a site-specific solar evaluation.
