Between 2013 and 2023, Austria's fuel oil refinery output experienced significant fluctuations, peaking at 47.96 Thousand Terajoules in 2015 and then displaying a generally downward trend, dropping to 23.97 Thousand Terajoules in 2023. Year-on-year variations have ranged widely, with notable declines such as -22.58% in 2016 and -15.29% in 2018, and occasional increases, such as 17.61% in 2015. The compound annual growth rate (CAGR) over the last 5 years was -4.01%, showing a consistent decline in output. The projected output for 2028 is significantly lower at 16.04 Thousand Terajoules, indicating a forecasted 5-year CAGR of -6.42%.

Future trends to watch for:

Potential shifts towards more sustainable energy sources reducing demand for fuel oil.
Impact of regulatory changes on refinery operations and output.
Technological advancements in refining processes potentially affecting production efficiency.