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Poland · the large power units, one by one

Poland’s large hard coal units produced 14% more in the last twelve months than in the twelve before

PSE publishes the output of every unit it dispatches directly, every quarter hour: about a hundred units at 36 power stations, the large coal, lignite and gas plants, pumped storage and, since July, the first offshore wind farm. Nobody else republishes it unit by unit. This page reads every quarter hour since 14 June 2024 and joins each unit to its owner, fuel, capacity, closure date and capacity contracts, from a register built from owners’ and official sources, with the link for each fact. Every unit as a CSV.

Each power station, week by week since June 2024

One row per power station, one column per week; the darker the cell, the closer the station ran to its full capacity that week. Closures show as rows that turn white; the grey at the bottom is where PSE stopped reporting a plant, which is not the same as it closing.

did not runa quarter of capacityhalffullnot reported by PSE

LigniteBełchatów · 4,680 MWTurów · 1,830 MWPątnów 1 · 595 MWPątnów 2 · 441 MWHard coalOpole · 3,090 MWKozienice 2 · 2,049 MWKozienice 1 · 1,674 MWPołaniec · 1,350 MWJaworzno 3 · 1,258 MWDolna Odra · 849 MWRybnik · 835 MWJaworzno 2 JWCD · 834 MWŁaziska 3 · 718 MWOstrołęka B · 588 MWEC Siekierki · 480 MWKraków Łęg · 480 MWŁagisza · 430 MWSkawina · 330 MWSiersza · 278 MWWrocław · 250 MWChorzów · 238 MWKarolin 2 · 183 MWKatowice · 136 MWEC Łódź-4 · 105 MWGasGryfino · 1,340 MWPłock · 620 MWEC Żerań 2 · 488 MWEC Włocławek · 471 MWEC Stalowa Wola · 444 MWEC Wrotków · 247 MWZielona Góra · 198 MWEC Czechnica-2 · 179 MWGorzów 2 BGP · 131 MWEC Nowa Sarzyna · 113 MWEC Karolin · 105 MWEC Rzeszów · 102 MWBiomassPołaniec 2-Pasywna · 230 MWPumped storageŻarnowiec · 1,046 MWPorąbka Żar · 413 MWSolina · 48 MWESP Żydowo · 28 MWDychów · 21 MWOffshore windMFW Baltic Power · 1,197 MWOnshore windFW Biały Bór · 144 MWFW Jasna · 126 MWFW Potęgowo Zachód · 119 MWFW Margonin · 118 MWFW Dębsk · 117 MWFW Banie · 104 MWFW Potęgowo Wschód · 101 MWSolarZwartowo · 204 MWPV Miłkowice · 87 MWJun 202420252026

Capacity is each unit’s net capacity from PSE’s outage report where the register has it, its gross capacity otherwise. Weeks run Monday to Sunday; 17 June 2024 to 8 November 2026.

Hard coal rose +14%, lignite -0%, and pumped storage ran +42%

Output of the units PSE dispatches directly, by fuel, over the twelve months to 14 November 2026 against the twelve before. These are the large units only: the wind and solar farms, small heat plants and rooftops that make up the rest of Poland’s generation are not in PSE’s unit report, so this is not the national fuel mix.

Lignite31 TWh · -0% on the year beforeHard coal51 TWh · +14% on the year beforeGas17 TWh · +5% on the year beforeBiomass1.2 TWh · -9% on the year beforePumped storage1.2 TWh · +42% on the year beforeOffshore wind0.3 TWh · newSolar0.2 TWh · -9% on the year before
FuelUnitsTWh, last 12 monthsTWh, the 12 beforeChange
Lignite2330.9831.00-0%
Hard coal6751.0044.93+14%
Gas1317.0116.25+5%
Biomass11.211.33-9%
Pumped storage181.200.85+42%
Offshore wind10.330.00·
Onshore wind70.000.01·
Solar20.160.18-9%

11 coal units, 2,300 MW, are due to close by the end of 2028, when the coal derogation ends, and 24, 4,984 MW, by the end of 2030

The European Commission lets Poland pay old coal units through the capacity market until 31 December 2028. These are the running units whose owner, a ministry answer to MPs or another source gives a closure date up to 2030, earliest first, with the last day each ran in PSE’s data and the source of the date. Kozienice’s eight 200 MW units carry Enea’s planned last year of production, which Enea says is not a firm decision; Tauron says all its coal units close by 2030 except Jaworzno’s 910 MW unit, without a date for each. Dates that only Instrat’s database gives, without a source, are shown but not counted.

DuePlantUnitMWLast ranTWh, 12 monthsWhat the date rests on
1 January 2027Rybnikunit 820811 November 20260.29Ministry of State Assets, answer to interpellation 17764, 16 July 2026
1 April 2028Rybnikunit 6, unit 741814 November 20261.09Ministry of State Assets, answer to interpellation 17764, 16 July 2026
31 December 2028Kozienice 1units 1, 2, 3, 4, 5, 6, 7, 81,67414 November 20266.65Enea 2025 management report, the planned last year of production, which Enea says is not a firm decision
31 December 2030Bełchatówunit 234114 November 20261.64Instrat’s database only, which gives no source
31 December 2030EC Łódź-4unit 310514 November 20260.29Instrat’s database only, which gives no source
by the end of 2030Jaworzno 3units 1, 2, 3, 4, 5, 61,25814 November 20262.75Tauron 2025 management report; no unit date published
31 December 2030Karolin 2unit 2, unit 318314 November 20260.49Instrat’s database only, which gives no source
31 December 2030Katowiceunit fluidised-bed BCF-10013614 November 20260.44Instrat’s database only, which gives no source
31 December 2030Kraków Łęgunits 1, 2, 3, 448014 November 20261.29Instrat’s database only, which gives no source
31 December 2030Ostrołęka Bunit 315412 November 20260.22Instrat’s database only, which gives no source
by the end of 2030Sierszaunit 1, unit 227814 November 20260.35Tauron 2025 management report; no unit date published
31 December 2030Wrocławunit 2, unit 325014 November 20260.72Instrat’s database only, which gives no source
by the end of 2030Łagiszaunit 1043029 September 20261.85Tauron 2025 management report; no unit date published
by the end of 2030Łaziska 3units 9, 10, 11, 1271814 November 20262.16Tauron 2025 management report; no unit date published

Last ran is the latest day any of the units listed produced. Output is the units’ total over the last twelve months.

Gone from PSE’s data since June 2024, closed or withdrawn: Pątnów 1 unit 1 (last ran 18 December 2024); Pątnów 1 unit 2 (last ran 28 December 2024); Pątnów 1 unit 5 (last ran 12 December 2024); Dolna Odra unit 5 (last ran 14 July 2025); Dolna Odra unit 8 (last ran 24 December 2025); Dolna Odra unit 7 (last ran 27 August 2026); Dolna Odra unit 6 (last ran 15 August 2026); Rybnik unit 5 (last ran 31 August 2026).

Rybnik unit 5 shows what a unit-level feed catches: the Ministry of State Assets gives its withdrawal as 1 January 2027, yet PSE stopped listing it after 31 August 2026 while units 6, 7 and 8 run on. Dolna Odra’s last coal units closed on 31 August 2026, as the ministry’s answers and PSE’s data agree; Global Energy Monitor still shows two of them operating.

What PSE stopped reporting

PSE’s unit report covered 56 power stations in June 2024 and 36 by the end of that year. These are the days it last reported each group, with the capacity that left the report. The pumped storage at Solina, Żydowo and Dychów dropped out in July 2024, and every wind and solar farm with two gas plants on one day in October 2024; PSE gave no explanation for either.

Last reportedPlantsMW
1 July 2024Dychów, ESP Żydowo, Solina97
5 August 2024EC Karolin105
24 October 2024FW Biały Bór, FW Dębsk, FW Jasna, FW Margonin, FW Potęgowo Wschód, FW Potęgowo Zachód, Gorzów 2 BGP, PV Miłkowice943
18 November 2024FW Banie104
31 December 2024Pątnów 1595
31 December 2025Dolna Odra429
31 August 2026Dolna Odra, Rybnik629
30 October 2026Skawina110

What is coming

The large units under construction or planned, none of them in PSE’s report yet. Baltic Power, the first offshore wind farm, joined the report on 15 July 2026.

PlantFuelOwnerMWStatus
Elektrownia Rybnik - nowy blok gazowo-parowygasPGE Polska Grupa Energetyczna S.A.882under construction
Ostrołęka - blok gazowo-parowy (Ostrołęka C)gasORLEN S.A.754under construction / commissioning
Grudziądz - blok gazowo-parowy (CCGT Grudziądz #1)gasORLEN S.A.583under construction / commissioning
MFW Baltica 2 (offshore wind farm)offshore windPGE and Ørsted1,498under construction (all 111 foundations installed by Aug 2026; turbines 2027)
MFW Bałtyk 2 (offshore wind farm)offshore windEquinor and Polenergia720under construction (foundations from May 2026)
MFW Bałtyk 3 (offshore wind farm)offshore windEquinor and Polenergia720under construction (foundations from May 2026)
MFW BC-Wind (offshore wind farm)offshore windOcean Winds369under construction (onshore export cable works; HDD at Lubiatowo planned Sept 2026)
MFW Baltica 3 (offshore wind farm)offshore windPGE and Ørsted1,045planned (optimisation stage)
MFW Baltic East (offshore wind farm)offshore windORLEN900planned (won CfD auction 17 Dec 2025 at 476.88 PLN/MWh)
MFW Baltica 9 (offshore wind farm)offshore windPGE975planned (won CfD auction 17 Dec 2025 at 489.00 PLN/MWh)
MFW Bałtyk I (offshore wind farm)offshore windEquinor and Polenergia1,560planned (won CfD auction 17 Dec 2025 at 492.32 PLN/MWh)
Elektrownia jądrowa Lubiatowo-Kopalino (first Polish nuclear power plant)nuclearState Treasury1,250planned (EU state aid approved 9-10 Dec 2025; preparatory works under way)
Elektrownia jądrowa Lubiatowo-Kopalino (first Polish nuclear power plant)nuclearState Treasury1,250planned (EU state aid approved 9-10 Dec 2025; preparatory works under way)
Elektrownia jądrowa Lubiatowo-Kopalino (first Polish nuclear power plant)nuclearState Treasury1,250planned (EU state aid approved 9-10 Dec 2025; preparatory works under way)

Where other publishers are wrong

Every unit, with its output and closure date
PSE codePlantFuelOwnerMWTWh, 12 monthsLoadLast ranClosure
BEL 2-02BełchatówlignitePGE Polska Grupa Energetyczn3411.6455%14 November 20262030
BEL 2-03BełchatówlignitePGE Polska Grupa Energetyczn3471.9965%14 November 20262031
BEL 2-04BełchatówlignitePGE Polska Grupa Energetyczn3491.9564%14 November 20262032
BEL 2-05BełchatówlignitePGE Polska Grupa Energetyczn3481.7056%14 November 20262032
BEL 4-06BełchatówlignitePGE Polska Grupa Energetyczn3601.7756%14 November 20262033
BEL 4-07BełchatówlignitePGE Polska Grupa Energetyczn3571.4847%13 September 20262033
BEL 4-08BełchatówlignitePGE Polska Grupa Energetyczn3581.6753%14 November 20262034
BEL 4-09BełchatówlignitePGE Polska Grupa Energetyczn3621.8358%14 November 20262034
BEL 4-10BełchatówlignitePGE Polska Grupa Energetyczn3612.2571%13 November 20262034
BEL 4-11BełchatówlignitePGE Polska Grupa Energetyczn3582.0565%14 November 20262035
BEL 4-12BełchatówlignitePGE Polska Grupa Energetyczn3582.0365%14 November 20262035
BEL 4-14BełchatówlignitePGE Polska Grupa Energetyczn7812.7540%11 July 20262035
PAT11-01Pątnów 1ligniteZE PAK S.A.2060.00·18 December 20242024
PAT12-02Pątnów 1ligniteZE PAK S.A.2050.00·28 December 20242024
PAT12-05Pątnów 1ligniteZE PAK S.A.1840.00·12 December 20242024
PAT24-09 / PAT24S09Pątnów 2ligniteZE PAK S.A.4410.9123%5 November 20262025
TUR 1-01TurówlignitePGE Polska Grupa Energetyczn2261.0955%14 November 20262044
TUR 2-02TurówlignitePGE Polska Grupa Energetyczn2260.6734%14 November 20262044
TUR 2-03TurówlignitePGE Polska Grupa Energetyczn2260.6432%14 November 20262044
TUR 2-04TurówlignitePGE Polska Grupa Energetyczn2360.7536%14 November 20262044
TUR 2-05TurówlignitePGE Polska Grupa Energetyczn2360.9345%14 November 20262044
TUR 2-06TurówlignitePGE Polska Grupa Energetyczn2361.1153%14 November 20262044
TUR 4-11TurówlignitePGE Polska Grupa Energetyczn4441.7846%14 November 20262044
CHZ21-01 / CHZ21S01Chorzówhard coalResinvest Group1190.3634%14 November 2026·
CHZ21-02 / CHZ21S02Chorzówhard coalResinvest Group1190.3634%14 November 2026·
DOD 2-05Dolna Odrahard coalPGE Polska Grupa Energetyczn2100.00·14 July 20252025
DOD_2-06Dolna Odrahard coalPGE Polska Grupa Energetyczn2100.2815%15 August 20262026
DOD 4-07Dolna Odrahard coalPGE Polska Grupa Energetyczn2100.3318%27 August 20262026
DOD 4-08Dolna Odrahard coalPGE Polska Grupa Energetyczn2190.074%24 December 20252025
WSIB1-07EC Siekierkihard coalORLEN S.A.1200.4240%14 November 20262035
WSIB1-08EC Siekierkihard coalORLEN S.A.1200.1817%11 April 20262035
WSIB1-09EC Siekierkihard coalORLEN S.A.1200.4139%14 November 20262035
WSIB1-10EC Siekierkihard coalORLEN S.A.1200.4240%14 November 20262035
LD4 1-03EC Łódź-4hard coalVeolia1050.2931%14 November 20262030
JW2_4-07 / JW2_4S07Jaworzno 2 JWCDhard coalTAURON Polska Energia S.A.8343.6250%14 November 20262030
JW3 1-03 / JW3_1S03Jaworzno 3hard coalTAURON Polska Energia S.A.2100.4223%14 November 20262030
JW3 2-01 / JW3_2S01Jaworzno 3hard coalTAURON Polska Energia S.A.2100.4726%14 November 20262030
JW3 2-02 / JW3_2S02Jaworzno 3hard coalTAURON Polska Energia S.A.2100.3820%14 November 20262030
JW3 2-04 / JW3_2S04Jaworzno 3hard coalTAURON Polska Energia S.A.2110.6736%9 November 20262030
JW3 2-05 / JW3_2S05Jaworzno 3hard coalTAURON Polska Energia S.A.2060.4525%14 November 20262030
JW3 2-06 / JW3_2S06Jaworzno 3hard coalTAURON Polska Energia S.A.2110.3720%30 September 20262030
KAR_1-02 / KAR_1S02Karolin 2hard coalVeolia860.1723%14 November 20262030
KAR 1-03 / KAR_1S03Karolin 2hard coalVeolia970.3238%7 October 20262030
KAT 1-01 / KAT_1S01Katowicehard coalTAURON Polska Energia S.A.1360.4437%14 November 20262030
KOZ11-02 / KOZ11S02Kozienice 1hard coalEnea S.A.2100.8245%12 November 20262028
KOZ11-06 / KOZ11S06Kozienice 1hard coalEnea S.A.2101.1361%14 November 20262028
KOZ12-01 / KOZ12S01Kozienice 1hard coalEnea S.A.2130.7942%13 November 20262028
KOZ12-03 / KOZ12S03Kozienice 1hard coalEnea S.A.2060.5933%14 November 20262028
KOZ12-04 / KOZ12S04Kozienice 1hard coalEnea S.A.2130.7339%14 November 20262028
KOZ12-05 / KOZ12S05Kozienice 1hard coalEnea S.A.2130.9551%9 November 20262028
KOZ12-07 / KOZ12S07Kozienice 1hard coalEnea S.A.2030.7341%14 November 20262028
KOZ12-08 / KOZ12S08Kozienice 1hard coalEnea S.A.2060.9251%14 November 20262028
KOZ24-09 / KOZ24S09Kozienice 2hard coalEnea S.A.5342.2949%14 November 20262034
KOZ24-10 / KOZ24S10Kozienice 2hard coalEnea S.A.5341.9041%17 September 20262034
KOZ24-11 / KOZ24S11Kozienice 2hard coalEnea S.A.9813.9246%14 November 20262035
KLE 1-01Kraków Łęghard coalPGE Polska Grupa Energetyczn1200.3129%14 November 20262030
KLE 1-02Kraków Łęghard coalPGE Polska Grupa Energetyczn1200.2827%11 November 20262030
KLE 1-03Kraków Łęghard coalPGE Polska Grupa Energetyczn1200.3836%4 November 20262030
KLE 1-04Kraków Łęghard coalPGE Polska Grupa Energetyczn1200.3231%14 November 20262030
OPL 1-01Opolehard coalPGE Polska Grupa Energetyczn3570.268%14 November 2026·
OPL 1-02Opolehard coalPGE Polska Grupa Energetyczn3580.4615%15 September 2026·
OPL 4-03Opolehard coalPGE Polska Grupa Energetyczn3580.4514%13 November 2026·
OPL 4-04Opolehard coalPGE Polska Grupa Energetyczn3550.4715%19 October 2026·
OPL 4-05Opolehard coalPGE Polska Grupa Energetyczn8294.5162%10 November 2026·
OPL 4-06Opolehard coalPGE Polska Grupa Energetyczn8334.9668%14 November 2026·
OSB 1-03 / OSB_1S03Ostrołęka Bhard coalORLEN S.A.1540.2217%12 November 20262030
OSB 2-01 / OSB_2S01Ostrołęka Bhard coalORLEN S.A.2170.5630%14 November 20262025
OSB 2-02 / OSB_2S02Ostrołęka Bhard coalORLEN S.A.2170.8746%11 November 20262025
POL 2-02 / POL_2-02 / POL_2S02Połaniechard coalEnea S.A.2270.9648%11 November 20262034
POL 2-03 / POL_2S03Połaniechard coalEnea S.A.2260.6633%14 November 20262034
POL 2-04 / POL_2S04Połaniechard coalEnea S.A.2260.8040%13 November 20262034
POL 4-05 / POL_4S05Połaniechard coalEnea S.A.2240.6835%14 November 20262034
POL 4-06 / POL_4S06Połaniechard coalEnea S.A.2260.7940%12 November 20262034
POL 4-07 / POL_4S07Połaniechard coalEnea S.A.2210.2714%14 November 20262034
RYB 2-05Rybnikhard coalPGE Polska Grupa Energetyczn2090.6535%31 August 20262027
RYB 2-06Rybnikhard coalPGE Polska Grupa Energetyczn2090.8144%14 November 20262028
RYB 4-07Rybnikhard coalPGE Polska Grupa Energetyczn2090.2815%4 November 20262028
RYB 4-08Rybnikhard coalPGE Polska Grupa Energetyczn2080.2916%11 November 20262027
SIA 1-01 / SIA_1S01Sierszahard coalTAURON Polska Energia S.A.1390.1311%12 September 20262030
SIA 1-02 / SIA_1S02Sierszahard coalTAURON Polska Energia S.A.1390.2118%14 November 20262030
SNA11-03 / SNA11S03Skawinahard coalResinvest Group1100.089%28 September 2026·
SNA22-05 / SNA22S05Skawinahard coalResinvest Group1100.1819%14 November 2026·
SNA22-06 / SNA22S06Skawinahard coalResinvest Group1100.2324%5 November 2026·
WROB1-02Wrocławhard coalPGE Polska Grupa Energetyczn1250.2725%14 November 20262030
WROB1-03Wrocławhard coalPGE Polska Grupa Energetyczn1250.4440%14 November 20262030
LGA 4-10 / LGA_4S10Łagiszahard coalTAURON Polska Energia S.A.4301.8549%29 September 20262030
LZA31-09 / LZA31S09Łaziska 3hard coalTAURON Polska Energia S.A.2160.4122%14 November 20262030
LZA31-10 / LZA31S10Łaziska 3hard coalTAURON Polska Energia S.A.2110.3720%10 November 20262030
LZA32-11 / LZA32S11Łaziska 3hard coalTAURON Polska Energia S.A.2110.8144%14 November 20262030
LZA32-12 / LZA32S12Łaziska 3hard coalTAURON Polska Energia S.A.800.5781%13 November 20262030
CZN_1S01EC Czechnica-2gasPGE Polska Grupa Energetyczn1790.8152%14 November 20262042
KAR21S45EC KarolingasVeolia1050.00·5 August 2024·
ENS_1S01EC Nowa SarzynagasPolenergia S.A.1130.011%12 November 2026·
REC 1-01EC RzeszówgasPGE Polska Grupa Energetyczn1020.3034%14 November 20262042
STW42-12 / STW42S12EC Stalowa Wolagasjoint venture of ORLEN and T4442.1455%13 November 2026·
LEC 1-01 / LEC_1-01 / LEC_1S01EC WrotkówgasPGE Polska Grupa Energetyczn2470.8238%14 November 20262042
WLC_2-01 / WLC_2S01EC WłocławekgasORLEN S.A.4712.1853%14 November 2026·
WZE22-20 / WZE22S20EC Żerań 2gasORLEN S.A.4881.7842%12 May 2026·
GOR21S01Gorzów 2 BGPgasPGE Polska Grupa Energetyczn1310.00·23 October 2024·
EGF_4S09GryfinogasPGE Polska Grupa Energetyczn6702.2037%20 October 20262042
EGF_4S10GryfinogasPGE Polska Grupa Energetyczn6702.4041%14 November 20262042
PLO 4-01 / PLO_4S01PłockgasORLEN S.A.6203.0556%14 November 2026·
ZGR22S01Zielona GóragasPGE Polska Grupa Energetyczn1981.3276%14 November 2026·
POL24-09 / POL24S09Połaniec 2-PasywnabiomassEnea S.A.2301.2160%14 November 20262042
DCHA1-01Dychówpumped storage·6.90.00·30 June 2024·
DCHA1-02Dychówpumped storage·7.50.00·1 July 2024·
DCHA1-03Dychówpumped storage·6.40.00·30 June 2024·
ZYD_1-01ESP Żydowopumped storageORLEN S.A.00.00···
ZYD_1-02ESP Żydowopumped storageORLEN S.A.140.00·1 July 2024·
ZYD_1-03ESP Żydowopumped storageORLEN S.A.140.00·1 July 2024·
PZR 2-01Porąbka Żarpumped storagePGE Polska Grupa Energetyczn1360.1311%13 November 2026·
PZR 2-02Porąbka Żarpumped storagePGE Polska Grupa Energetyczn1360.1311%13 November 2026·
PZR 2-03Porąbka Żarpumped storagePGE Polska Grupa Energetyczn1410.1411%12 November 2026·
PZR 2-04Porąbka Żarpumped storagePGE Polska Grupa Energetyczn00.00···
SOL 1-01Solinapumped storagePGE Polska Grupa Energetyczn160.00·30 June 2024·
SOL 1-02Solinapumped storagePGE Polska Grupa Energetyczn160.00·1 July 2024·
SOL 1-03Solinapumped storagePGE Polska Grupa Energetyczn7.60.00·25 June 2024·
SOL 1-04Solinapumped storagePGE Polska Grupa Energetyczn7.70.00·1 July 2024·
ZRN_4-01Żarnowiecpumped storagePGE Polska Grupa Energetyczn1790.2214%2 November 2026·
ZRN_4-02Żarnowiecpumped storagePGE Polska Grupa Energetyczn3520.207%13 November 2026·
ZRN_4-03Żarnowiecpumped storagePGE Polska Grupa Energetyczn1770.1912%13 November 2026·
ZRN_4-04Żarnowiecpumped storagePGE Polska Grupa Energetyczn3380.186%13 November 2026·
BPR_4P01MFW Baltic Poweroffshore windORLEN S.A.1,1970.333%14 November 2026·
BAN 2-01 / BAN_2-01FW Banieonshore wind·1040.00·18 November 2024·
BBR_1-01FW Biały Bóronshore wind·1440.00·24 October 2024·
DEB_1P01FW Dębskonshore wind·1170.00·24 October 2024·
JSN_1-01FW Jasnaonshore wind·1260.00·24 October 2024·
MAR 1-01FW Margoninonshore wind·1180.00·24 October 2024·
PTW_1-01FW Potęgowo Wschódonshore wind·1010.00·24 October 2024·
PTZ_1-01FW Potęgowo Zachódonshore wind·1190.00·24 October 2024·
VMI_1P01PV Miłkowicesolar·870.00·24 October 2024·
ZWA_1P03Zwartowosolar·2040.169%14 November 2026·

How it was built

PSE’s report gen-jw, every quarter hour from 14 June 2024, read through PSE’s open data interface. PSE renamed many unit codes during 2025 (Kozienice’s KOZ11-02 became KOZ11S02), so a unit’s old and new codes are joined into one history. The register behind each unit was built from owners’ annual reports and environmental statements, the Ministry of State Assets’ answers to MPs, URE’s capacity market and offshore results, the EU emissions registry, ENTSO-E’s code registry, KRS, and Instrat’s open database (CC BY 4.0), checked against the others; PGE’s own sites refuse automated reading, so PGE’s facts come from official documents and the press. Load is output over capacity times the hours in a year.

Sources: PSE S.A., raporty.pse.pl, reports gen-jw and pdwkseub; the register’s sources, one link per fact, in the CSV.