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289
Plants Reporting
2.70 GWh
Generation This Month
496.2 M TL
Imbalance Cost This Month
36.4%
Median Imbalance %
+7.3pp vs vs prev. month
203 TL/MWh
Sector Unit Cost
Plant Ranking – April 2026
| Rank | Plant | Imbalance (%) | Unit Cost (TL/MWh) | Generation (MWh) | Total Cost |
|---|---|---|---|---|---|
| 1 | SOMA RES(SOMA ENR.) | 17.8% | 168.03 | 48,015 | 8,068,019 |
| 2 | ÖRLEMİŞ RES | 17.8% | 110.19 | 8,874 | 977,810 |
| 3 | ÜÇPINAR RES | 19.9% | 102.61 | 25,686 | 2,635,561 |
| 4 | UYGAR RES | 20.6% | 140.57 | 69,045 | 9,705,610 |
| 5 | İSTANBUL RES | 20.7% | 123.25 | 34,666 | 4,272,617 |
| 6 | ŞAPDAĞI RES | 21.0% | 132.49 | 13,262 | 1,757,153 |
| 7 | BERGRES RES | 21.0% | 104.65 | 15,777 | 1,651,111 |
| 8 | VİZE-2 RES | 21.2% | 127.62 | 17,036 | 2,174,077 |
| 9 | GAZİOSMANPAŞA RES | 21.5% | 113.40 | 12,345 | 1,399,832 |
| 10 | SOMA RES(BİLGİN ENR.) | 21.5% | 168.35 | 22,905 | 3,856,204 |
| 11 | AYDOS RES | 22.1% | 144.21 | 4,191 | 604,431 |
| 12 | AİRRES-4 RES | 22.2% | 126.89 | 22,905 | 2,906,504 |
| 13 | TATLIPINAR RES | 22.4% | 132.19 | 33,509 | 4,429,452 |
| 14 | KANGAL RES | 22.5% | 115.17 | 45,950 | 5,292,213 |
| 15 | GÜLPINAR RES | 22.8% | 123.31 | 36,668 | 4,521,737 |
| 16 | KINIK RES(ESİNTİ) | 22.9% | 137.42 | 12,488 | 1,716,111 |
| 17 | ÖMERLİ RES(BETİM) | 23.2% | 114.87 | 22,398 | 2,572,780 |
| 18 | ALİBEY RES | 23.3% | 152.43 | 13,154 | 2,005,088 |
| 19 | GEYCEK RES | 23.6% | 156.54 | 24,285 | 3,801,756 |
| 20 | ULUBORLU RES | 24.7% | 144.12 | 18,340 | 2,643,069 |
| 21 | KOCATEPE RES(İzdem) | 25.2% | 170.49 | 19,504 | 3,325,302 |
| 22 | YAHYALI RES(BAK) | 25.3% | 167.40 | 28,991 | 4,852,993 |
| 23 | KEMERBURGAZ RES | 25.5% | 178.17 | 4,782 | 852,073 |
| 24 | MAHMUT ŞEVKET PAŞA-1 RES | 25.6% | 138.71 | 1,849 | 256,546 |
| 25 | YUNTDAĞ RES | 25.6% | 172.71 | 13,497 | 2,331,062 |
| 26 | KIYIKÖY RES(BEŞİKTEPE ENR.) | 25.7% | 152.47 | 9,557 | 1,457,135 |
| 27 | KARABURUN RES | 25.8% | 143.17 | 46,634 | 6,676,745 |
| 28 | Boreas 1 Enez RES | 26.1% | 139.77 | 5,708 | 797,804 |
| 29 | SAROS RES | 26.1% | 168.19 | 40,501 | 6,811,758 |
| 30 | EVRENCİK RES | 26.3% | 163.09 | 37,303 | 6,083,909 |
| 31 | GAZİ RES(ARI EN) | 26.5% | 154.83 | 1,616 | 250,220 |
| 32 | ATARES-2 RES | 26.7% | 145.67 | 25,355 | 3,693,480 |
| 33 | POYRAZ RES(NM ENR.) | 26.8% | 160.34 | 6,248 | 1,001,882 |
| 34 | MORDOĞAN RES(EGENDA) | 26.9% | 143.03 | 3,488 | 498,891 |
| 35 | KARLITEPE RES | 27.0% | 156.98 | 9,291 | 1,458,559 |
| 36 | URLA RES | 27.1% | 124.69 | 3,378 | 421,226 |
| 37 | ULU RES | 27.2% | 121.96 | 25,272 | 3,082,275 |
| 38 | SEBENOBA RES | 27.4% | 177.71 | 12,792 | 2,273,303 |
| 39 | ÇATALCA RES | 27.7% | 178.27 | 13,580 | 2,420,926 |
| 40 | PAZARKÖY RES | 27.8% | 177.44 | 12,778 | 2,267,310 |
| 41 | BARBAROS RES | 27.8% | 157.86 | 1,976 | 311,921 |
| 42 | ŞAH RES | 27.9% | 182.87 | 17,058 | 3,119,414 |
| 43 | YAMAÇTEPE-2 RES(SANCAK ENR.) | 28.0% | 161.94 | 5,806 | 940,265 |
| 44 | KARADAĞ RES(BOYUT) | 28.0% | 170.13 | 4,561 | 776,057 |
| 45 | ÇAYPINAR RES | 28.0% | 165.04 | 7,380 | 1,217,958 |
| 46 | BURGAZ RES | 28.1% | 178.68 | 2,441 | 436,135 |
| 47 | HARMANCIK RES | 28.2% | 187.00 | 10,852 | 2,029,360 |
| 48 | SÜLOĞLU RES | 28.2% | 163.21 | 13,880 | 2,265,400 |
| 49 | KURTKAYASI RES(ARE) | 28.2% | 151.14 | 12,701 | 1,919,711 |
| 50 | GÖKÇEDAĞ RES | 28.2% | 178.98 | 16,062 | 2,874,793 |
This dashboard is built on publicly available settlement data from EPİAŞ (Turkish Energy Exchange). The metrics below explain exactly how each figure is computed.
Data Source
All production, imbalance, and KÜPST figures are drawn from the EPİAŞ Real-Time Settlement (Gerçek Zamanlı Uzlaştırma / GZU) reports. Data is fetched at hourly resolution via the public EPIAS Transparency Platform REST API (eptr2) and aggregated to monthly plant-level summaries. The dataset covers all licensed solar (GES) or wind (RES) power plants that reported at least one hour of production in the analysis period.
Imbalance Cost
Imbalance cost arises when a plant's actual hourly generation differs from its day-ahead schedule. The settlement rules (EPDK regulation, effective January 2026) apply an asymmetric margin:
- Positive imbalance (produced less than scheduled): settled at MCP × (1 − 6%), i.e. 6% below the day-ahead price.
- Negative imbalance (produced more than scheduled): settled at MCP × (1 + 3%), i.e. 3% above the day-ahead price.
KÜPST Cost
KÜPST (Katılım Ücreti ve Perakende Satış Tarifesi Primi) is a penalty levied when a plant's monthly net imbalance exceeds a regulatory tolerance band:
- Solar (GES): 8% of monthly generation (10% before Jan 2026)
- Wind (RES): 15% of monthly generation (17% before Jan 2026)
Unit Cost (TL/MWh)
Unit cost = (Total Imbalance Cost + Total KÜPST Cost) ÷ Total Generation for the month, expressed in TL/MWh. It provides a scale-independent measure of settlement efficiency, allowing fair comparison across plants of different capacity.
Plant Rankings
Plants are ranked by their monthly imbalance percentage, defined as |Net Imbalance MWh| ÷ Generation MWh × 100. A lower value indicates better forecast accuracy. The bar chart shows the best and worst performers for the selected month; the full ranked list appears in the table below.
Coverage & Exclusions
KARAPINAR YEKA-1 (≈1,365 MW) is excluded from fleet statistics because its scale disproportionately skews sector averages; it is reported separately where applicable. Plants with zero reported generation in a given month are excluded from that month's ranking but remain in the registry.