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Preliminary research for RES projects

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

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Pre-investment research for
battery installation

The pre-investment study for battery installation is an analysis that evaluates whether it is economically beneficial and technically feasible to install energy storage batteries within a given system. It includes an assessment of energy needs, potential savings, return on investment, and the technical requirements for the installation. The goal is to provide a clear understanding of the benefits and risks before making a decision.

The study will answer the
following questions:

What is the optimal battery power for me?
What is the investment?
Over what period will the investment pay off, based on:
Current prices for FPP surplus.
What battery management setup should be implemented?

Upon completion of the service, you receive:

A report from the assessment, structured according to the presented template, provided in both paper and electronic formats.

Upon acceptance of the results, a free consultation is included 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.

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 setup should be implemented?
What will be the charging cost for my system?

Pre-investment study for FPP/HPP

A pre-investment study for a photovoltaic (PV) or small hydropower plant is an analysis that assesses whether the construction of such a facility is financially viable and technically feasible. It includes evaluation of the location, natural resources, financial costs, and expected benefits.The goal is to provide a clear understanding of the risks and return on investment before making an investment decision.We provide answers to the following questions:

Can I change my current electricity supply model by producing part of the energy myself?
How much will this cost me?
What should I do?
What will I gain? To what extent will my company's energy dependence be reduced in terms of electricity costs, grid services, and other fees related to the energy supply?
How will this affect my company in the next 20 years to achieve more profitable and sustainable electricity supply models
What is the expected payback period for my investment?

Upon completion of the service, you will receive:

A report from the assessment, structured according to the provided template, delivered in both paper and electronic format.
Upon acceptance of the results, a free consultation is included 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:

A detailed analysis of the load profile for the past 12 months
Determination of the optimal installed capacity of the systems based on individual customer needs.
Calculation of the return on investment using two methods
Calculation of expected yield by month
What will be the levelized cost of charging for my system?
Provides annual production data for commissioned photovoltaic systems located within a 100 km radius of the Client’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 photovoltaic system is an inspection carried out using a drone equipped with a thermal camera. It detects issues such as defective panels, energy losses, or overheating by measuring temperature differences across the system’s 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.