Oct-21 Energy Market News

October added 400 MW to the NEM, with BESS accounting for 70% of the new generation in 2025. Gladstone announced that it may retire as early as 2029. Solar GWA improved, but southern wind farms suffered from larger TWA discounts. VIC's export capacity in October continued its multi-year decline.

Oct 2025 witnessed significant regional price variations with NSW averaging $77.02/MWh while TAS recorded just $24.55/MWh. High renewable penetration drove substantial negative pricing, particularly in SA. Demand remained robust with annual growth across most states, supported by warmer weather

October 2025 showcased a blend of stability and dynamic shifts. Average spot prices stabilised in NSW and QLD, while SA and VIC rebounded as TAS plunged. Renewables and BESS continue to re-shape the market. Trading was dominated by hot weather preparations for Q4-25 and Q1-26. Enjoy the read.