John D. Porter
Senior Vice President, Chief Financial Officer at Williams Companies
All right. Thanks, Alan. Starting here on slide three with a summary of our year-over-year financial performance. Beginning with adjusted EBITDA, we saw an 8% year-over-year increase despite natural gas prices that averaged less than $2 for the first quarter of 2024. Now included in that 8% overall growth is almost 13% growth from our primarily fee-based infrastructure businesses, excluding marketing and the upstream JV.
As we'll see on the next slide, our adjusted EBITDA growth was driven by strong growth from our core large-scale Natural Gas Transmission, Gathering and Processing and Storage businesses, including the expected favorable effects of our recent acquisitions. And it also included strong performance from our Sequent Marketing business, which had another strong start to the year despite falling a bit short of the extraordinary start they had to 2023. Our adjusted EPS increased 5% for the quarter, continuing to grow off of the 19%, five year CAGR we've had for EPS for 2018 through 2023.
And available funds from operations growth was just over 4%. Also, you see our dividend coverage based on AFFO was a very strong 2.6 times on a dividend that grew 6.1% over the prior year. And our debt to adjusted EBITDA was 3.79 times in line with our expectations for slightly higher leverage in 2024 before dropping back down in 2025 to guidance of 3.6 times. So before we move to the next slide and dig a little deeper into our adjusted EBITDA growth for the quarter. We'll provide a few updates to our financial guidance.
Overall, based on our strong start to 2024, we are now guiding to the upper half of our 2024 adjusted EBITDA range of $6.95 billion to $7.1 billion and we are also well positioned for upside to drive towards the high end of this original guidance. We also remain well positioned to deliver on our 2025 adjusted EBITDA range of $7.2 billion to $7.6 billion. Additionally, based on our improved adjusted EBITDA outlook and other changes, including interest expense and income assumption shifts, we now see our key per share metrics, adjusted EPS and AFFO per share coming in at the high end of their ranges for 2024, which in the case of AFFO per share would lead to a higher overall dividend coverage ratio as well.
Now specifically for 2024, our transmission in Gulf of Mexico business is tracking a bit ahead of plan with a good first quarter and expectations of continued best-in-class execution on our many key high-returning organic projects, as well as immediate results from our Gulf Coast storage acquisition with strong performance expected going forward. Our Northeast Gathering and Processing business was basically right on plan for first quarter with drilling in the higher-margin wet gas areas and inflation adjusters offsetting lower volumes in some dry gas areas.
The West got off to a strong start in the first quarter, where DJ performance following our recent transactions along with all the hard work our teams did in preparing for winter allowed for excellent execution, especially across our Rocky's assets. We see the West also tracking a bit ahead of plan, although we're also embedding a bit more conservatism around Haynesville volume assumptions. For both the Northeast and West G&P assets, our guidance update today provides room for additional volume reductions and for upside movement toward the higher end of the range if those don't occur.
For the Marketing business, we've had a strong overall start to 2024. But again, beating the midpoint of our full year 2024 guidance doesn't rely on any additional help from Sequent at this point. And then finally, nice to see our upstream joint ventures off to a strong start versus our plan, again, supported by the preparation our team made for winter weather. So we expect our upstream joint ventures to perform well against their plan this year as well. So let's turn to the next slide and take a little closer look at the first quarter results.
Again, it was a strong start to the year with 8% growth over the prior year. Walking now from last year's $1.795 billion to this year's record $1.934 billion, we start with our Transmission in Gulf of Mexico business, which improved $111 million or 15% due to the combined effects of nearly a full quarter contribution from the Hartree Gulf Coast Storage acquisition, which is delivering as expected, following a flawless integration effort thus far.
Higher Transco revenues, including partial and service from the Regional Energy Access project, and also a full quarter contribution from the MountainWest Pipeline acquisition, which closed mid-February in 2023. The Segment growth was unfavorably impacted by last year's Bayou Ethane divestiture and also some planned maintenance at Discovery. Our Northeast G&P business performed well with the $34 million or 7% increase driven by a $22 million increase in service revenues. This revenue increase was fueled by rate escalations that occurred after the first quarter of last year.
Overall Northeast Gathering volumes performed roughly in line with our plan, down about 2% versus the prior year, with those decreases focused in the dry gas areas. Shifting now to the West, which increased $42 million or 15%, benefiting from a great start for the DJ transactions we completed in the fourth quarter of 2023. Now the increase in the DJ Basin results was about the same magnitude as the unfavorable loss of hedge gains that we had in the first quarter of 2023.
Additionally, last year, the West was significantly unfavorably impacted by the severe Wyoming weather and January processing economics at our Opal, Wyoming processing plant. As I mentioned a moment ago, much work was done by our teams to prepare for winter weather this year, and those preparations proved effective in getting us off to a great start for the West and also for our upstream operations in Wyoming.
Overall, West gathering volumes performed roughly in line with our plan, up 5% on the benefits of our DJ transaction and better Wyoming volumes, which more than offset declines primarily in the Haynesville area. And then you see the $41 million or 18% decrease in our Gas and NGL marketing business. As I mentioned a moment ago, it was another strong start to the year, but it did come up a bit short of the extraordinary 2023 start. Our upstream joint venture operations included in our Other segment were down about $9 million or 15% from last year.
Our Wamsutter upstream EBITDA was actually up about $8 million with strong volume growth that was substantially offset by lower net realized prices. However, the Wamsutter increase was more than offset by lower Haynesville results from both lower net production volumes and net realized prices. So again, a strong start to 2024 with 8% growth in EBITDA, driven by core infrastructure business performance with continued strength from our marketing business.
And with that, I'll turn it back to Alan.