Double Your Solar Returns with Battery Energy Storage System in India
Battery Energy Storage Systems are used to store energy in multiple ways for future use. Since solar energy is not always available due to weather changes, blackouts, or geographical factors, there are fluctuations in power supply. In such situations, battery storage systems play a crucial role in providing a continuous flow of energy for homes and businesses. Today, the demand for BESS in India is growing rapidly, especially in the solar industry, as more people realize its importance in ensuring reliable and efficient power supply. For reliable solutions, Best solar company in kerala provides integrated BESS solutions. .
What is BESS Solar?
Battery Energy Storage Systems are devices that allow storing solar energy during the high energy production time and releasing it when the power is mostly required and less production time. Generally, this BESS stores solar energy during the day to use at night when solar energy is less produced..
What Are the Major Parts of BESS?
- Battery modules
- Storage enclosure (PCS)
- Power conversion system
- Battery management system (BMS)
- Energy management system (EMS)
How Does it Work?
TThe solar panel receives excess energy from resources like wind or solar or from the power station during the peak sunlight hours. Store it as power to a battery storage system, then release it when it is needed, like power outages or high demand. It ensures a continuous power supply. By utilizing AI, machine learning, and data-driven solutions, a BESS provides advanced energy consumption control with the energy storage capability of batteries. For homeowners considering solar, our solar panel for home guide can help make the right choice.

Why is BESS Important for Renewable Energy?
BESS (Battery Energy Storage Systems) is very important for renewable energy because it stores excess energy from intermittent sources like wind or solar and helps homes and offices during power outages or other necessary situations. Now let's see what are the other important aspects of BESS for renewable energy.
- Grid Stability and Reliability
- Renewable Energy Integration
- Reduce Carbon Footprint
- Backup Power and Resilience
- Long-term Cost Savings
Types of Batteries Used in Battery Energy Storage System (BESS)
The common batteries used in Battery Energy Storage System in India are:

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Lithium-ion: Lithium-ion batteries are suitable for residential and commercial applications, due to:
- High efficiency
- Long lifespan
- Fast charge/discharge time
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Lead-acid: It is very common and has been used in energy storage systems for decades:
- Less expensive
- Short lifespan
- Eco-friendly
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Flow batteries: This type of battery stores energy in a liquid electrolyte format, and it can be redirected to different parts of the battery:
- Longer lifespans than traditional batteries
- Responds quickly
- Reduces fire risk
- Sodium-ion: An alternative to lithium-ion batteries for energy storage. Sodium-ion batteries combine sodium and ion chemistry to deliver reliable performance.
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Nickel-cadmium: These batteries deliver reliable performance with excellent temperature tolerance and long cycle life:
- Fast charging capability
- Excellent long-term storage
- High power density
- Other batteries: Other batteries are also used in BESS, like Zinc-air batteries, Sodium-sulfur batteries, nickel-metal hydride, and more, which offer a good balance between energy density and cycle life. Advanced technologies like solid-state batteries are still in development but promise higher energy density and safety.
The Main Applications of BESSS

- Backup Power
- PV Self-Consumption
- Load Shifting
- Peak Demand Reduction
- Remote Power
- Residential & Industrial Energy Storage
- EV Charging
Why Invest in a BESS?
As we have already discussed the importance of using a Battery Energy Storage System (BESS) for homes and businesses, let’s now see its key benefits in India. The following points highlight why BESS is a smart investment for both commercial and residential applications.
- Less dependent on the grid: It guarantees a continuous energy supply even when the energy grid is unstable. It offers to always supply energy if there are any fluctuations.
- Environmental benefits: Installing a Battery Energy Storage System in your home, office, or industries by integrating renewable energy will reduce carbon footprint, pollution, and lower greenhouse gas emissions.
- Lower energy costs: BESS can reduce peak demand charges by storing energy during off-peak hours and providing it during peak demand hours. Solar panel cost for home is an important consideration when installing BESS. This blog can help you understand the financial side of solar investments.
- Resilience: BESS offers emergency backup when power outages occur and guarantees continuous power flow.
- Ancillary service: BESS can provide various ancillary services to the grid, such as spinning reserve, non-spinning reserve, and black start capability. These services help in maintaining the stability and reliability of the power system.
- Microgrids: BESS can be integrated into microgrids to provide localized energy storage and management. This is particularly useful in remote areas or for communities that want to be more self-sufficient in their energy needs.
- Enhanced renewable energy integration: BESS stores energy during the daytime and delivers it when the power demand is high, ensuring a continuous flow of power. This helps smooth out the intermittent nature of renewable energy.
How to Choose the Best BESS for You?
- 1. Consider your energy needs
- 2. Choose the right battery type
- 3. Consider the key BESS specifications
- 4. Analyze cost and benefits
- 5. Research and compare
- 6. Consider regulation and incentives
BESS Solar Projects in India
The use of BESS in India is rapidly evolving. To achieve the renewable energy targets, BESS helps to enhance grid stability and promote sustainable energy practices.
Here’s a more detailed look at BESS Solar projects in India:
Modhera, Gujarat
In Gujarat, Modhera is the first village in India powered by solar every day. The solar project bill is split between the Indian government and the Government of Gujarat. The components used in this entire project are:
- Ground-mounted 6-megawatt project
- 15-megawatt battery storage system
- 1 kilowatt rooftops installed on 1,300 houses
To know more details about this, visit: India's first solar-powered village pays residents' electric bills
Rajnandgaon, Chhattisgarh
India's largest BESS Battery Energy Storage System project, commissioned by SECI, is located in Rajnandgaon, Chhattisgarh. This solar plant in Chhattisgarh has a 100 MW solar PV plant with a 40 MW/120MWh battery energy storage system.
For additional details, visit: Press Release for Rajnandgaon Project
Bhadla, Rajasthan
The Bhadla Solar Park in Rajasthan is the world’s largest solar power plant in India. It spans 56 square kilometers and has an installed capacity of 2,245 MW.
Latest BESS Project in Kasaragod, Kerala
Recognizing the importance and benefits of Battery Energy Storage Systems (BESS) in solar energy, the Renewable Power Corporation of Kerala Ltd. (RPCKL) is set to establish the first hybrid solar energy park in Cheemeni, Kasaragod. This innovative project will incorporate BESS technology to enhance energy efficiency and reliability. The BESS used for this project is capable of storing 50MW of electricity. The central government has allocated a subsidy of ₹13.5 crore for the initiative, ensuring affordability. Consumers will only need to pay below ₹3 per unit for electricity from the Cheemeni Solar Park.
If you want to know more about the BESS project in Kasargod, click here: BESS in Kasaragod - Mathrubhumi News
Conclusion
The Battery Energy Storage System in India is a game-changer in the solar industry to help excess energy for later use; it revolutionizes the integration of renewable energy like solar worldwide. To overcome power outages in peak demand periods, a technology like BESS is very crucial. This blog will give you complete information about BESS and its benefits in the solar industry. At GEPS, we provide advanced and customized solar products, services, and BESS solutions in Kerala that meet your needs. Reach out to us today!
FAQ
2) Front-of-the-Meter Systems: It is used for large-scale energy generation, grid stabilization, peak demand management, and supporting renewable energy integration.