For many companies, energy efficiency is a key factor in maintaining operational productivity while building a more sustainable business.
To support these goals, on-grid solar systems offer an eco-friendly solution by harnessing solar energy and connecting it to the power grid, thereby optimizing energy use in industrial settings.
Implementing this system not only helps companies meet their operational electricity needs more efficiently but also supports efforts to reduce carbon emissions.
Read the following discussion to learn more about on-grid solar systems and how this system can support your business’s operational efficiency.
What Are On-Grid Solar Systems?
An on-grid solar system is a solar power generation system (SPGS) that uses sunlight as a renewable energy source and connects to the utility company's electricity distribution grid.
In this system, the electricity generated by the solar panels is prioritized to meet the site's electricity needs. When electricity production from the solar panels is insufficient, the electricity supply is drawn from the power grid.
Conversely, if electricity production exceeds operational needs, its distribution will be governed by the utility company's applicable policies and mechanisms.
The difference between on-grid and off-grid solar panel systems lies in their operation. On-grid solar systems are connected to the public power grid, allowing them to draw electricity from the grid when solar energy production is insufficient.
Meanwhile, off-grid solar panel systems operate independently, using batteries to store excess energy during the day so that power remains available for use at night.
On-grid solar systems are widely used in buildings connected to the power distribution grid, such as factories, office buildings, industrial parks, warehouses, logistics centers, shopping malls, hotels, hospitals, and educational facilities.
In addition, on-grid solar systems can be used in residential buildings, although they are more commonly adopted by businesses with high daytime electricity consumption.
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On-Grid Solar System Components
To generate and distribute electricity optimally, an on-grid solar system consists of several integrated components. Each component has a different function. The following are the main components of an on-grid solar system:
- Photovoltaic (PV) solar panels: Photovoltaic (PV) solar panels are the main component that absorbs energy from sunlight and converts it into electrical energy in the form of direct current (DC).
- On-grid inverter: The inverter receives the electricity generated by the solar panels and converts the direct current (DC) into alternating current (AC).
- Bidirectional electricity meter: A bidirectional electricity meter is a measuring device connected to both the solar panel system and the power distribution grid. This component records the amount of electricity consumed, the energy generated by the solar panels, and the flow of energy entering and exiting the power distribution grid.
- Energy storage system: Some on-grid solar systems are equipped with batteries connected to a charging system. This component stores a portion of the electricity generated by the solar panels so it can be used by the system as needed.
- Mounting system: A mounting system is a support structure for installing solar panels on building roofs or in open areas. This component is designed to keep the panels securely in place while ensuring they are at the optimal angle to maximize sunlight absorption.
How On-Grid Solar Systems Work
To generate electricity optimally, on-grid solar systems operate through a series of processes that integrate solar energy into the electrical distribution grid. Here are the steps involved in how on-grid solar systems work:
- Solar panels absorb solar energy. Photovoltaic cells capture sunlight and convert it into direct current (DC) electricity.
- An inverter converts the electrical current. The DC electricity generated by the solar panels is then fed into an inverter, which converts it into alternating current (AC) for use by various electrical appliances.
- Electricity is used for operational needs. After conversion, the electrical energy is prioritized to meet the electricity needs of operational facilities, such as factories, office buildings, warehouses, or industrial parks.
- The electricity supply is adjusted to meet demand. If the energy generated by the solar panels is insufficient, the shortfall is met through the power distribution grid. Conversely, if electricity production exceeds operational needs, the surplus is distributed in accordance with the applicable policies and mechanisms of the electricity provider.
- A bidirectional meter records the flow of energy. All electricity used and distributed is monitored by the bidirectional meter. This data helps the company monitor system performance and periodically evaluate energy efficiency.
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Benefits of Using On-Grid Solar Systems
In addition to optimizing the use of solar energy, on-grid solar systems offer various benefits that support the sustainability of business operations. Here are some of the benefits:
- Reduced operating costs: A portion of electricity needs is met by solar energy, thereby reducing the amount of electricity drawn from the distribution grid.
- Supporting sustainability goals: Utilizing solar energy helps companies reduce carbon emissions and advance ESG (Environmental, Social, and Governance) principles.
- No batteries required: Most on-grid systems can operate without batteries, so investment and maintenance costs tend to be lower.
- Relatively simple maintenance: With fewer components compared to battery-based systems, the maintenance process is more practical and efficient.
Trusted Solar Energy Solutions for Business Operations from CDI
Choosing the right on-grid solar system not only helps improve energy efficiency but also supports the long-term sustainability of your business operations.
Therefore, it is important to partner with an energy solutions provider that has the experience, technology, and services tailored to your company’s needs.
Through its subsidiary, PT Krakatau Chandra Energi (KCE), PT Chandra Daya Investasi Tbk (CDI) provides energy solutions that support the use of renewable energy across various industrial and commercial sectors.
As of 2025, KCE has a solar power generation capacity of 11 MWp and offers four solar panel installation options: the Solar On-Grid System, the Solar Off-Grid System, the Solar On-Grid with Battery Backup System, and the Solar Hybrid System. With these options, you can customize the system usage according to your company's operational needs and energy management strategy.
KCE's experience is also backed by the trust of 200+ customers in the industrial, business, social, and government sectors, as well as 1,500+ customers from various segments. This track record reflects KCE's commitment to being #YourGrowthPartner by providing reliable, efficient, and customer-focused energy solutions.
To support energy efficiency and sustainable operations, trust CDI and KCE with your company's energy solution needs!
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