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Wholesale Load (Vista) 163,951 164,259 0.19% <br />WATER I ENERGY 11 I F E <br />Li <br />Cqf Of <br />RIVERSIDE <br />• <br />RIVERSIDE PUBLIC UTILITIES <br />PU[3I IC uTil ITTFS <br />BOARD OF PUBLIC UTILITIES <br />GENERAL MANAGER'S REPORT <br />SUBJECT: MONTHLY POWER SUPPLY REPORT - JANUARY 31, 2024 <br />Board Memorandum <br />DATE: APRIL 8, 2024 <br />Monthly Power Usage <br />The wholesale load (Vista Substation) for January was 164,259 MWh, an increase of 308 MWh <br />compared to the same month in the previous year. Renewable generation served 36.20% or <br />59,469 MWh of Riverside's wholesale load. Coal generation served 13.80% or 22,673 MWh of <br />the wholesale load. Nuclear energy covered 5.79% or 9,504 MWh. In January, internal natural <br />gas generation served 5.36% or 8,812 MWh of wholesale load. Hydro generation represents <br />0.70% or 1,144 MWh of Riverside's wholesale load. Riverside's emissions free and renewable <br />resources utilization increased slightly in January 2024 compared to January 2023. Finally, the <br />balance for January was covered by Market Transactions, which represented 38.15% or 62,658 <br />MWh of the load. <br />Wholesale Resource Mix - January 2023 vs 2024 <br />Energy <br />2023 2024 <br />MWh MWh <br />0/0 <br />Large Hydro 1,176 1,144 -2.72% <br />Natural Gas 2,057 8,812 328.45% <br />Nuclear 9,440 9,504 0.68% <br />Coal 49,053 22,673 -53.78% <br />Market Transactions* 49,582 62,658 26.37% <br />Renewables 52,643 59,469 12.97% <br />2024 <br />MWh <br />2023 <br />MWh <br />• Large Hydro • Natural Gas • Nuclear • Coal • Market Transactions* • Renewables <br />• <br />164,259 MWh <br />163,951 MWh <br />0 20,000 40,000 60,000 80,000 100,000 120,000 140,000 160,000 180,000 <br />* The Market Transaction category comprises bilateral power contracts and purchases(sales) from(to) the CAISO. <br />Daily & Monthly Load & Temperature Trends <br />MWh/Month <br />Weather has a significant impact on electricity demand, especially the variable temperature. <br />Typically, as temperatures increase, electricity demand will also increase, and vice versa. The <br />charts below graphically extrapolate the correlation between weather and electricity demand. <br />January 2024 was warmer than the same month in the previous year. The January 2024 average <br />daily peak temperatures oscillated around 64 degrees. While in January 2023, average daily <br />peak temperatures were in the range of 60 degrees. The monthly peak temperature in January <br />