Coal-to-Gas Switching

Last summer, a tight coal market in the Eastern U.S. made an already tight natural gas market even tighter. Low coal stocks, dwindling production and transportation constraints led to exorbitant premiums for Appalachian coal and limited coal consumption in the East, leading to record gas demand for power generation — even as gas prices soared to 14-year highs. Now, gas markets are considerably looser, storage inventories are high, and gas prices are signaling the need for more demand (or lower supply) to balance the market and avoid storage constraints this injection season. But the coal market has eased as well. Coal production is up, coal stocks are too, and Appalachian coal prices have plunged in recent months. What will that mean for power burn and balancing the gas market this summer? In today’s RBN blog, we look at the latest developments in the coal and gas markets, the potential for coal-to-gas switching, and how those dynamics could impact gas balances.

U.S. LNG export capacity has increased 40% in the last seven months, from 4.3 Bcf/d in April to about 6 Bcf/d now, and feedgas demand at the terminals already exceeds that, with more than 7 Bcf/d flowing to the facilities in recent weeks. With each new liquefaction train coming online, feedgas deliveries to export terminals have steadily climbed, and, for the most part, have sustained at rates that suggest consistently high utilization of the facilities’ capacity, particularly once they begin commercial operations and regardless of international market dynamics. And, that demand is expected to increase further as more liquefaction capacity comes online in 2020 and beyond. The emergence of this seemingly inelastic demand with a baseload-like pull on domestic gas supplies marks an underlying shift in the U.S. gas market that, along with the rising baseload demand from power generation, will make national benchmark Henry Hub prices more prone to spikes. Today, we explain how ever-increasing LNG exports will reshape the U.S. demand profile and, in turn, Henry price trends.

U.S. natural gas prices are increasingly susceptible to periodic spikes and volatility as baseload demand for gas — or the minimum level of demand that must be met on a daily basis — specifically from power generators and liquefaction plants, has rapidly climbed in recent years, and is still rising. The power sector has upped the ante on its gas consumption, with gas replacing coal as the most cost-effective go-to fuel for meeting baseload electricity demand. On top of that, feedgas deliveries to LNG export terminals have added 7 Bcf/d of demand to the gas market in the past three years, much of which is flowing at high, baseload-like rates, and that demand is set to increase further as more liquefaction projects are completed. These two market components together — LNG exports and gas-fired power generation — will take a bigger slice of domestic gas supplies, making the gas market ever more sensitive to weather, maintenance and other factors that disrupt that baseload level of demand or the supplies that serve it. We’ve already begun to see the effects of this phenomenon on Henry Hub and other regional gas prices. Today, we delve into this fundamental shift and what it could mean for the gas market.

After sustaining a record pace since March, natural gas storage injections have been slowing dramatically and are projected to fall below the 5-year-average rate over the next few weeks. While weather has factored heavily into the swing in storage activity, increased baseload demand for gas in the power sector has amplified the effects of weather anomalies and electricity demand seasonality on overall gas demand. As a result, gas demand volumes have diverged from historical levels on a temperature-adjusted basis. Today, we examine the changing historical relationships of power burn and storage injections to weather and electricity demand.

<p>Cold weather, abundant supplies of natural gas and lower-than-normal winter gas prices spurred record power burns in January and February, and the power burn for the rest of 2015 is likely to be record-breaking too.</p>

We learned from our friends at Bentek this week that gas demand from the power sector averaged a record 25 Bcf/d in 2012 – nearly 20 percent higher than 2011. The increase in demand for natural gas for power generation largely resulted from system operators switching from coal plants to natural gas after the price of natural gas fell to 10 year lows in April 2012. Today we look at how power generation plant fuel costs drive coal-to-gas switching.