The graphical representation meticulously captures the nuanced dynamics of renewable energy integration within the broader context of total energy supply across four distinct nations during the temporal junctures of 1997, 2000, and 2010. Iceland emerges as a stalwart champion in its steadfast commitment to renewable sources, consistently outpacing its counterparts. Notably, the Icelandic trajectory exhibits a steady ascent, commencing at 45% in 1997, escalating to 60% in 2000, and ultimately reaching an impressive 70% by 2010.