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How to Calculate the Cost of a Solar Energy Installation?

Solar panel calculation can be done easily according to the system type with CW Enerji’s modular simulator tool, which offers Simple and Advanced mode features. Although the simulator provides estimated results, it is possible to calculate all the required values for a solar energy installation cost calculation.

On-Grid System Calculation (Grid-Tied Solar Energy)

With a grid-tied solar energy system (On-Grid), you can reduce your electricity bill by using the energy you generate directly in your home or business. With the on-grid system calculation tool, you can quickly view the PV system capacity, production potential, on-grid system cost, and payback period based on your roof type, location, and consumption values. By analyzing system costs and payback processes for residential, industrial, and commercial use cases, you can plan your investment easily.

25 kW Solar Energy System

A 25 kW solar energy system is especially suitable for businesses, workshops, small industrial facilities, and buildings with high consumption. With this system, electricity is generated and consumption is largely covered.

What components are included in a 25 kW solar energy system?

For a 25 kW solar energy system in a grid-compatible scenario, the required products are listed below.

600 W solar panel

42 (estimated)

pcs

25 kW on-grid inverter

1

pcs

Control and Monitoring System (SCADA)

1

pcs

Fixed Mounting Structure

1

set

DC cabling

400

meters

Grounding panel

1

set

Labor

1

set

AC cabling

75

meters

This system is designed in compliance with the Self-Consumption Regulation. If the system is planned for electricity sales, related authority applications and permit processes are charged as an additional consultancy service. Installation and shipping costs are not included.

What Can a 25 kW Solar Energy System Run?

With a 25 kW system, it is possible to run many devices at the same time. Examples of devices it can run are listed below:

Office lighting

1 – 3 kW

LED lighting + warehouse

Computers and office equipment

1 – 4 kW

PC + printer + network

Air conditioner (inverter)

1.2 – 2.5 kW / unit

Increases depending on usage

Refrigerator / cooling unit

0.3 – 3 kW

Can run continuously

Compressor (small/medium)

3 – 7 kW

Short-term use

Booster pump / water pump

1 – 5 kW

Runs intermittently

Workshop machines (basic)

3 – 10 kW

Depends on production type

AC EV charging station

AC EV charging station

With suitable infrastructure

In this scenario, the system can carry a load of approximately 21 kW simultaneously and can generally be evaluated within the 25 kW capacity range. However, actual values may vary depending on whether devices operate simultaneously, inrush currents at startup, and site conditions.

What is the payback period of a 25 kW solar energy system?

If the province and roof conditions are not finalized, the payback period is estimated based on the Turkey average. Since production can vary depending on the region, roof orientation/slope, shading, and your consumption profile, the payback period is generally evaluated in the range of approximately 8–11 years.

Off-Grid Solar System Calculation (Standalone Solar Energy)

An Off-Grid Solar System is preferred in locations without a grid connection or where operation independent of the grid is needed.

With the solar energy system calculation module for areas without a grid, you can create the most suitable system by determining components such as inverter capacity, battery requirement, and PV power.
 

10 kW Solar Energy System

A 10 kW solar energy system is especially used in places such as farmhouses, summer homes and detached houses, homes in rural areas and farms, tiny house and caravan projects. This system operates independently of the grid and can be used in locations without a grid connection.


What components are included in a 10 kW solar energy system?

600 W solar panel

16

pcs

11K MPPT off-grid inverter

1

pcs

Lithium battery storage

1

pcs

Battery power cable set

1

set

DC solar cable set (with MC4 connectors)

60

meters

Grounding panel

1

set

Labor

1

set

AC cabling

50

meters

Note: Cable lengths may vary depending on the installation area. Exact measurements are finalized after a site survey.

This system is designed for off-grid (standalone) use. If an application intended for electricity sales is planned, converting the system to an on-grid / grid-connected project and the related authority application–permit processes are charged within the scope of additional consultancy services. Installation and shipping costs are not included.


What Can a 10 kW Solar Energy System Run?

Examples of what a 10 kW Solar Energy System can run are shown in the table below.
 

Device / Use

Average Power

Operating Pattern

Refrigerator + freezer

300–800 W

Continuous

TV + internet + lighting

300–800 W

Daily

Washing machine

1,800–2,200 W

During the day

Dishwasher

1,800–2,200 W

During the day

Vacuum cleaner

1,000–2,000 W

Short-term

Iron

2,000–2,600 W

Short-term

Water pump / booster

1,000–2,500 W

Intermittent

Air conditioner (inverter)

1,200–2,500 W

Season-dependent

In this scenario, the system can carry a load of approximately 7–10 kW simultaneously and can generally be evaluated within the 10 kW capacity range. However, actual values may vary depending on whether devices operate simultaneously, inrush currents at startup, battery state of charge, and site conditions.

What Is the Payback Period of a 10 kW Solar Energy System?

The payback period of 10 kW solar energy systems may vary depending on the installation cost, the solar irradiation potential of your region, battery storage capacity, daily consumption profile, and the costs of generator/grid alternatives. Therefore, the return period may differ depending on the usage scenario.
 

Agricultural Solar Irrigation System Calculation (Solar Pump Solutions)

With the Agricultural Irrigation System calculation module, you can analyze the installation cost of your solar irrigation system and determine your required panel capacity by considering basic information such as well depth and pump power, helping you reduce your bills. The module also allows you to learn your agricultural irrigation electricity bill calculation and agricultural irrigation solar energy prices.

10 Hp 7.5 kW Solar Irrigation System

This system is ideal especially for users who want to irrigate using a submersible pump or a surface pump in locations without an electricity grid and where electricity costs are high.

What components are included in a 10 Hp 7.5 kW Solar Irrigation System?

TommaTech 600Wp 16BB TOPCon Solar Panel

18

pcs

TT-7.5 kW 3-Phase Irrigation Pump Inverter (1000VDC)

1

pcs

5.5–11 kW Galvanized DC/AC Ready Irrigation Box

1

pcs

6.0 mm Solar Cable PV1-F Black

45

meters

6.0 mm Solar Cable PV1-F Red

45

meters

18-Panel 2x9 Vertical Ground-Mount Infrastructure System

1

pcs

Labor

1

set

Note: Cable lengths may vary depending on the installation area. Exact measurements are finalized after a site survey.

This system is used for agricultural irrigation with a well/submersible pump in fields, vineyards, gardens, greenhouses, and rural irrigation areas where there is no electricity infrastructure or where electricity costs are high.

How Does Electricity Savings Work in a Solar Irrigation System?

Solar-powered irrigation systems are preferred to reduce agricultural irrigation electricity expenses and eliminate generator fuel costs. In regions without grid infrastructure or where the cost of bringing in power lines is high, a solar irrigation system provides a more sustainable and economical irrigation solution.
 

Heat Pump Capacity Calculation

With the Heat Pump Calculation module, you can determine how many kW a heat pump should be and perform a heat pump capacity calculation according to your building type and usage needs. This way, you can estimate the system’s energy consumption and costs in advance.

Solar Panel Calculation for Caravans, Boats, and Yachts

A solar panel system for caravans, boats, and yachts stores energy from the sun in batteries, providing an energy advantage. With the Solar Panel Calculation for Caravans, Boats, and Yachts module, you can choose flexible solar panels suitable for your system capacity and plan the installation and cost process more easily.

EV Charging Calculation (Installation, Charging Time, and Cost)

Charging time and charging cost may vary depending on the charger power, the usage area, and energy consumption. With the EV charging calculation module, you can gain insights into charging times as well as forecast costs and expense planning for charging station installation.

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