The output of environmental services in the electricity, gas, steam, and air conditioning supply sector in Spain has exhibited varied trends over the last decade. From 2014 to 2016, the sector experienced considerable growth with year-on-year increases peaking at 19.96% in 2016. This growth momentum slowed down after 2017 with a notable decrease of -5.17% in 2018. Post-2018, the fluctuations continued with a sharp decline in 2020 during the pandemic, but recovery was observed with a steady rise from 2021 to 2023. As of 2023, the output stood at 71.81 million Euros, marking a 5.08% year-on-year increase and a CAGR of 1.85% over the last five years.

Future trends to watch for include:

The forecasted CAGR of 0.95% through 2028 indicates a moderate but steady growth.
By 2028, the sector's output is expected to rise to 76.86 million Euros, reflecting a forecasted five-year growth rate of 4.84%.
Potential impacts of regulatory changes and technological advancements in renewable energy and efficiency improvements.
Environmental concerns and sustainability efforts which may drive policy and investment changes influencing the sector.