Jon Vander Ark
President and Chief Executive Officer at Republic Services
Thanks, Aaron. Good afternoon everyone and thank you for joining us. Our strong results in the third quarter demonstrate our ability to profitably grow the business and effectively manage our cost structure, even with increased volatility in the broader marketplace. Cost pressures remain elevated and more persistent than we originally anticipated. In the face of those cost headwind, we are leveraging our tools and technology to price ahead of cost inflation and drive margin expansion in the underlying business. From our perspective, customer demand remains strong and supportive of continued volume growth. The sound fundamentals in our business, together with a laser-focus on the customer position us well to capitalize on growth opportunities in the market.
During the third quarter, we delivered revenue growth of 23%, including over 12% from acquisitions. Generated adjusted earnings per share of $1.34, which is a 20% increase over the prior year, and produced more than $1.6 billion of adjusted free cash flow on a year-to-date basis, a 23% increase over the prior year. We remain confident that investing in value-creating acquisitions is the highest and best use of our cash flow. Year-to-date, we invested $2.6 billion of acquisitions, which includes the acquisition of US Ecology. The integration of US Ecology is progressing as planned, and we remain confident that we will achieve at least $40 million of cost synergies. Our initial pricing actions have been successful. We will continue to increase prices to ensure that all stages of the value chain earn an appropriate return. We are also gaining traction cross-selling our products and services, achieving our $25 million in new sales to-date. Apart from US Ecology, we've invested over $400 million of acquisitions this year. Substantially, all of these deals are in the recycling and solid waste space. Our robust acquisition pipeline continues to support outsized levels of activity over the coming years.
Year-to-date, we returned $640 million to our shareholders through dividends and share repurchases. We continue to invest for the future and advance our strategic initiatives to build distinctive capabilities in customer zeal, digital and sustainability. With respect to customer zeal, we delivered organic volume growth of 2.2% during the third quarter. Volume growth was broad based across our market verticals and geographies. We also demonstrated our ongoing ability to price in excess of underlying cost inflation. Core price increase to 6.9% and average yield increased to 5.6%. This is the highest-level of pricing in company history.
Moving onto our digital capability. The team continues to advance the implementation of digital tools that improve the experience for both customers and employees. Our proprietary RISE tablets have been fully deployed across our large and small container route, and deployment to residential route is 26% complete. The remaining residential routes are on-track for completion by mid-2023. We have also launched TrackMyTruck. This technology connects per customer to their large and small container truck utilizing a GPS enabled RISE tablets. This is a major milestone and serves as a foundation for further digital offerings to our customers.
As it relates to sustainability, development of our renewable gas projects remains on track. We expect the first tranche of these projects related to our joint-venture to come online beginning in late 2023. We are pleased to work with BP and these RNG projects, who recently-announced its intent to acquire Archaea. This provides additional opportunities to work together on decarbonization and environmental services initiatives. Regarding polymer centers, we are accelerating the development of these projects and now expect to invest an additional $40 million of capital this year to start working on future locations.
Finally, our company values guide everything we do. I am proud of our recent certification as a Great Place to work for the sixth consecutive year. This is a significant achievement as employee retention and recruiting remains a top priority in today's market.
I will now turn the call over to, Brian, who will provide details on the quarter.