Since it affects the efficiency of the power plant investment, the panels to be used in solar energy projects must have superior quality and technology. Tier-1 listed panels offer investors a reliable option as they meet the highest quality standards in the industry. In addition, the fact that the PV modules have passed PVEL tests shows that they will maintain their performance even in harsh weather conditions and long-term use. As Chint Green Energy, we use domestically produced TOPCon PV modules in the Tier-1 category of Astronergy, one of our own group companies, in solar energy investments.

A call letter is a document given to investors who want to establish a power generation facility during the electricity generation application process. This letter is used especially in renewable energy projects (e.g. solar and wind energy). The call letter issued by the relevant distribution/transmission company indicates that the technical approvals required for the investor to start the project have been completed and the investor has the right to connect to the electricity grid. With this letter, the investor can proceed with the subsequent processes to realise the project.

ESCO (Energy Service Company) is the name given to companies that provide energy savings, develop and implement projects. These companies aim to increase the energy efficiency of their customers and generally receive payment based on the financial gain from energy savings. In our country, the term ESCO is used as an integrated form of Energy Performance Contract and PPA applications. As a result of the payments made with the savings provided, the customer becomes a power plant owner at the end of the contract period. It is also referred to as Build-Operate or Build-Transfer models.

The installation stages of the solar power plant require a careful planning and implementation process for the successful realisation of the project. These stages consist of reconnaissance, quotation, permits, installation and operation and maintenance.

Solar energy is an energy source obtained by converting electromagnetic radiation from the sun into electrical energy using various technologies. The sun's rays deliver a large amount of energy to the earth every day, and this energy is collected and made available through photovoltaic systems.

In solar energy projects consist of PV modules, inverters, mounting systems, cables and security-monitoring systems.

PPA (Power Purchase Agreement) is a long-term electricity purchase agreement between an energy producer and an energy buyer. In this agreement, the energy producer usually generates electricity from a renewable energy source (such as solar, wind) and sells this electricity to the buyer at a fixed price. PPA facilitates the financing of energy projects and provides a fixed-price, long-term energy supply to the buyer.

The operation and maintenance process in solar energy projects consists of important stages to ensure efficient operation of the system. Firstly, system performance is continuously monitored; this includes tracking data such as energy production and PV modules efficiency. Advanced monitoring systems detect faults early, enabling rapid intervention. Periodic maintenance includes cleaning the surfaces of the PV modules and checking other components. These operations are critical for improving energy efficiency. While preventive maintenance ensures the proper functioning of the system with measures such as regular checks and cleaning, preventive maintenance includes planned maintenance activities to identify potential problems and reduce the risk of failure by eliminating these problems. In case of failure, problems are eliminated with rapid intervention. In addition, performance reports are regularly prepared and shared with investors. Depending on the developments in technology, renewal or modernisation works are also carried out in the system. These processes support the sustainable and efficient operation of solar energy projects.

The Tier-1 list, published by BloombergNEF every quarter, is a ranking that evaluates PV module manufacturers in terms of financial competence, quality and reliability. This list is an important reference point for the solar energy sector and helps investors, project developers and other stakeholders to make choices. Manufacturers categorised as Tier-1 are generally companies that offer high quality products according to certain criteria, have long-term financial stability and have proven performance in large projects. PV modules from these manufacturers are considered reliable because they meet industry standards and have received positive evaluations from independent testing laboratories such as PVEL.

The selection of inverters to be used in solar energy projects plays a critical role in terms of the efficiency and reliability of the project. A good inverter not only converts direct current (DC) generated from PV modules into alternating current (AC), but also optimises the performance of the system. In this context, Tier-1 listed inverter manufacturers generally have the highest quality standards and offer reliable products. Inverters, especially those operating under high temperature conditions, minimise energy loss by maintaining their efficiency. While some inverters lose performance in hot weather conditions, products from Tier-1 manufacturers are designed and tested to withstand harsh environmental conditions. Choosing inverters that operate at high temperature is important to improve the long-term performance of your project. As Chint Green Energy, we use the high quality inverter products of Chint Power, one of our own group companies, in our solar energy investments.