Register now for today's 9:30 a.m. ET conference call discussing TVA's third quarter financial results. TVA reported $8.8 billion in total operating revenues through the first three quarters of 2024, as sales of electricity increased approximately 4% compared to the same period last year. TVA is a clean energy leader with nearly 60% of the agency's power supply coming from carbon-free sources in fiscal year 2024 - including nuclear, hydroelectric, solar and wind. TVA is focused on keeping electricity costs affordable. Our effective electricity rate through the first nine months of fiscal year 2024 is three percent lower than in the prior year despite a base rate adjustment. KNOXVILLE, Tenn., July 30, 2024 /PRNewswire/ -- The Tennessee Valley Authority reported $8.8 billion in total operating revenues on 117 billion kilowatt-hours of electricity sales for the nine months ending on Jun. 30, 2024.  Total operating revenues increased 1.5% over the same period last year, primarily due to higher effective base rates and higher sales volume.  Sales of electricity increased approximately 4% compared to the same period of the prior year, primarily driven by a 50% increase in cooling degree days.  "In 2023, GDP in TVA's service territory grew 0.5% faster than the national average, and we are focused on continuing to power that growth by providing affordable, reliable, and cleaner energy across the region," Jeff Lyash, TVA President and CEO, said. "As a clean energy leader, TVA's diverse power system continues to provide our region with a competitive advantage. The most recent summer heat wave is a perfect example as we worked with our partners to provide reliable power in extreme weather conditions – the same power that our communities rely on every single day." Fuel and purchased power expense was $376 million lower in the nine months of fiscal year 2024 over the same period of the prior year, primarily due to lower effective fuel rates and lower purchased power market prices.  For the nine months of fiscal year 2024, 57% of TVA's power supply was carbon-free — coming from nuclear, hydroelectric, solar and wind. Operating and maintenance expenses increased by $109 million over the same period last year, driven primarily by increased labor and contract labor costs. Depreciation and amortization expense ...