Submitted:
26 September 2025
Posted:
28 September 2025
You are already at the latest version
Abstract
Keywords:
1. Introduction
2. Materials and Methods
3. Results and Discussion
3.1. Revenues and Costs of KESCO

3.2. Quality of Financial Information Before and After IFRS Implementation

3.3. Energy Prices for Business Customers

3.4. Use of Managerial Accounting Methods

3.5. Factors Influencing Managerial Decision-Making

3.6. Transition of Customers to the Free Market

4. Conclusions
References
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| Year | Revenues before liberalisation (million €) | Revenues after liberalisation (million €) | Total costs (million €) |
|---|---|---|---|
| 2019 | 450 | – | 380 |
| 2020 | 470 | – | 395 |
| 2021 | 480 | – | 400 |
| 2022 | 500 | – | 420 |
| 2023 | – | 550 | 460 |
| 2024 | – | 620 | 520 |
| 2025 | – | 680 | 570 |
| Measure | Before IFRS (0–100) | After IFRS (0–100) |
|---|---|---|
| Reliability | 60 | 85 |
| Comparability | 55 | 80 |
| Transparency | 50 | 78 |
| Relevance | 65 | 88 |
| Business category | Before liberalisation | After liberalisation |
|---|---|---|
| Small business | 0.07 | 0.09 |
| Medium business | 0.06 | 0.08 |
| Large business | 0.05 | 0.07 |
| Method | Usage (%) |
|---|---|
| Budgeting | 70 |
| Variance analysis | 55 |
| Standard costing | 40 |
| ABC analysis | 30 |
| Factors | Importance (%) |
|---|---|
| Cost | 85 |
| Regulation | 75 |
| Competition | 65 |
| Technology | 70 |
| Risk | 60 |
| Business size | Percentage of switching (%) |
|---|---|
| Small business | 30 |
| Medium business | 65 |
| Large business | 90 |
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