2018–19 PLK season
The 2018–19 Polish Basketball League season, the Energa Basket Liga for sponsorship reasons, was the 85th season of the Polish Basketball League, the highest professional basketball league in the Poland. Anwil Włocławek defended its title and repeated as Polish champions.
Teams
withdrew during the 2017–18 PLK season because of financial problems.On 17 May 2018, Spójnia Stargard promoted to the PLK as the winners of the I Liga, after defeating Sokół Łańcut 3–0 in the playoff finals.
Also, during the pre-season, PGE Turów Zgorzelec withdrew from the tournament.
Locations and venues
| Team | Location | Arena | Capacity |
| Anwil Włocławek | Włocławek | Hala Mistrzów | 4200 |
| Arka Gdynia | Gdynia | Gdynia Sports Arena | 5500 |
| AZS Koszalin | Koszalin | Hala Widowiskowo-Sportowa | 3000 |
| BM Slam Stal Ostrów Wielkopolski | Ostrów Wielkopolski | Hala Sportowa Stal | 1200 |
| GTK Gliwice | Gliwice | Arena Gliwice | |
| HydroTruck Radom | Radom | ZSE Radom | 1200 |
| Legia Warsaw | Warsaw | OSiR Bemowo | 1000 |
| Miasto Szkła Krosno | Krosno | MOSiR Krosno | 1380 |
| MKS Dąbrowa Górnicza | Dąbrowa Górnicza | Centrum Hall | |
| Polpharma Starogard Gdański | Starogard Gdański | Argo-Kociewie | |
| Polski Cukier Toruń | Toruń | Hala Widowiskowo-Sportowa | |
| Stelmet Enea Zielona Góra | Zielona Góra | CRS Hall Zielona Góra | |
| TBV Start Lublin | Lublin | Globus | |
| Spójnia Stargard | Stargard | Hala Miejska | |
| Trefl Sopot | Sopot | Ergo Arena | 15000 |
| Wilki Morskie Szczecin | Szczecin | Azoty Arena |