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Preliminary study for renewable energy projects

Our energy services help you optimize energy production and costs through innovative and efficient solutions.

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Pre-investment study for
battery installation

A battery installation prefeasibility study is an analysis that evaluates whether it is advantageous and technically feasible to install energy storage batteries in a system. It includes an assessment of energy needs, potential savings, return on investment and technical requirements for the installation. The aim is to provide a clear picture of the benefits and risks before making.

The study will answer the
following questions:

What is the optimal battery power for me?
What is the investment?
Over what period will it recover vs:
Current prices for FPP surplus.
What battery management setting to make?

After completing the service you get:

A report of the survey with the content according to the submitted model on paper and electronically.

Upon acceptance of the results with the service, free counseling is offered.

The Solution

Our solutions are designed to help you control your energy costs, improve the sustainability of your business and achieve greater energy independence.

The study will answer the
following questions:

What is the optimal battery power for me?
What is the investment?
Over what period will it recover relative to current FPS surplus prices and off-peak energy prices.
What battery management setting
to make?
What cost per charge will my
system have?

Pre-investment study for FPP/HPP

A pre-investment study for a photovoltaic (PV) or hydroelectric (HPP) plant is an analysis that evaluates whether the construction of such a plant is profitable and feasible. It includes an assessment of the location, natural resources, financial costs and expected benefits. The aim is to provide a clear picture of risk and return before deciding on an investment. We provide answers to the following questions:

Can I change the current electricity supply model by generating some of my own electricity?
How much will this cost me?
What should I do?
What will I win? By how much will my company's energy dependency be reduced in terms of electricity costs, grid services and other supply-related charges?
How will this affect my company in the next 20 years to achieve more profitable and sustainable electricity supply models
In what period will I recover
my investment?

After completing the service you get:

Survey report with content according to the provided model on paper and electronic media Upon acceptance of the results, free consultation is offered with the service

The Solution

Our solutions are designed to help you control your energy costs, improve the sustainability of your business and achieve greater energy independence. You get:

Detailed cargo profile analysis for the last 12 months
Determination of the optimal installed capacity of the systems based on individual customer needs.
Calculation of return on investment by
two methods
Calculation of expected yield by month
What cost per charge will my
system have?
Provides production data on an annual basis for commissioned PV systems within a 100km radius around the Employer's site
Presentation of cash flow before and after system implementation
Presentation of information on the system connection procedure to the
network undertaking
Provision of information on obtaining Energy Savings Certificates from the AERC

Air Thermal Audit of Photovoltaic System

An aerial thermal audit of a PV system is an inspection performed using a drone equipped with a thermal camera. It detects problems such as faulty panels, energy loss or overheating by measuring the temperature differences of the system components.

This method is fast, safe and effective for maintaining PV installations.

We identify the following anomalies presented in a detailed report:

Delamination of thin-film panels
Cracked and broken modules
Pollutions
Diode failures
Cellular and multicellular damage
Damage in whole strings or inverters
Defects in boxes
Potential degradation
Shading from trees
Shading from adjacent rows

After completing the service you get:

A report of the survey with the content according to the submitted model on paper and electronically.

The Solution

Our solutions are designed to help you control your energy costs, improve the sustainability of your business and achieve greater energy independence.

We will detect 100% of all anomalies and display them via a digital twin of your FPP:

You get a detailed audit and report on energy and money losses.
You'll increase energy production, reduce risks and lower operating costs.
Claiming insurance events

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Frequently Asked Questions

What are the benefits for me?

By choosing TOKI's services and solutions, you not only improve your energy efficiency, but also achieve long-term financial and environmental benefits. We help you to:

  • Ensure proper operation during commissioning: Check whether the plant is producing well or not. Whether it is installed properly, whether it is maintained well or equipment needs to be replaced under warranty.
  • Localize anomalies to the panel cell level.
  • Detailed classification of anomalies according to their type.
  • Valuation of each anomaly.
  • Optimising the cost of inspections.
  • Increase revenue from more energy extraction.
  • Digital map of anomalies with locations according to their priority.
What is the period of performance?

The deadline for energy services is 10 working days.

What are the costs of energy storage?

Installation cost (BGN/kW or BGN/kWh): this is the total cost of an energy storage system, including all components, energy conversion systems, labour, construction and other 'soft' costs. LCOS (BGN/kWh): is the total cost of building, operating and maintaining an energy storage system over its lifetime. Including maintenance costs is important for battery storage technologies that degrade while in use.

What should I prepare before conducting a thermal audit or
pre-investment study?

Before conducting a thermal audit or pre-investment study, it is important to prepare several key documents and data. Here's a list of the essentials to prepare:

  • Technical documentation
    - Project documentation
    - Documentation for connecting to the network
  • Operating data
    - Meteorological data
    - Historical consumption data
    - Environmental data
  • Legal and regulatory documents
  • Financial documentation
  • Zoning and location

Preparing this information prior to the start of the audit or study will help practitioners assess the project's performance, risks and potential in more detail.