Latest / Energy Economics with Fexingo: Oil Prices, Renewables, and the Cost of Power / How Cheap Natural Gas Is Rewriting the Power Grid
Transcript
- Lucas: So here's a number that should make you do a double take: natural gas at Henry Hub is sitting around two seventy-nine per million BTU. That's down about two percent on the week, and it's been sliding for months, even as crude and gasoline stay stubbornly high. You'd think cheap gas would be great news for everyone, but the market reaction is more complicated than you'd expect. Luna: Yeah, I've noticed that disconnect. Gasoline is over four bucks a gallon, WTI is in the mid-eighties, and yet gas is just hanging out at levels we haven't seen since the pandemic. What's driving that? Lucas: It's a classic supply story. The shale gas revolution hasn't slowed down — we keep drilling, and the wells keep producing. But the pipelines to move that gas to the coasts, especially the ones needed for LNG exports, are still catching up. So you've got a glut in the middle of the country, and that depresses the Henry Hub benchmark. Luna: So it's not that demand is weak, it's that we can't get the gas to where it's needed. That makes sense why the price at the wellhead stays low. Lucas: Exactly. And that's been the story for a while. But what's interesting now is how that low price is reshaping the power sector. Utilities are making decisions based on these gas prices, and it's not all good news for renewables. Luna: That's the part I want to dig into. Because you'd think cheap gas would make solar and wind less competitive, but a lot of clean energy stocks have been doing okay. First Solar is down about five point eight percent this week, though. So it's mixed. Lucas: Right, let's unpack that. The key concept here is fuel switching. When gas is cheap, utilities will run their gas plants more, because the marginal cost of generating electricity from gas falls below the cost of coal, and sometimes even below the cost of new solar or wind contracts. That's just basic economics. Luna: So in the short run, cheap gas can actually push renewables out of the dispatch order, even if their fuel is free. Lucas: Precisely. Solar and wind have zero fuel cost, but the capital cost is high. Gas plants have higher fuel cost but lower upfront. So when gas prices drop, the operating cost of gas plants drops, and they become more attractive to run around the clock, not just during peak demand. Luna: But that's a short-term view. What about the long-term investment decisions? If utilities see gas staying cheap for years, they might delay building new solar farms. Lucas: That's the worry. And you can see that in the market moves. NextEra Energy, one of the biggest clean energy players, is up one point eight percent this week, which suggests investors still believe in the long-term story. But First Solar, which makes solar panels, took a hit. That might be a signal that developers are getting cautious about new projects. Luna: So cheap gas is a double-edged sword. It helps consumers in the short term, but it might slow the transition. Lucas: Exactly. And that's the tension we're living with. On one hand, low gas prices mean lower electricity bills for millions of people. On the other, they create a headwind for renewables that are already competing with a market that doesn't price in carbon. Luna: And that's where policy comes in. I mean, without a carbon price, cheap gas will always undercut clean energy on cost. Lucas: Right. And that's why you see some states pushing for clean energy standards and subsidies, to level the playing field. But it's an uphill battle when the market is saying gas is cheap and abundant. Luna: Let's talk about the consumer angle. If gas is cheap, why isn't my electricity bill lower? That's a question a lot of people ask. Lucas: It's a good one. The thing is, utilities don't pass on fuel cost savings dollar for dollar. They have rate structures that are set based on long-term averages, and they include fixed costs for infrastructure, maintenance, and returns to shareholders. So even if fuel costs drop, the impact on your bill is muted and delayed. Luna: So that's why we don't see a huge drop at the pump — well, at the meter. It's the same kind of stickiness we saw with gasoline, but for different reasons. Lucas: Exactly. And there's also the time lag. Utilities buy gas on contracts that can be months long, so they might be paying higher prices from earlier even as spot prices fall. So the consumer benefit is real, but it's slow. Luna: That's a good point. So if you're a homeowner thinking about solar panels, does this change the calculus? With gas cheap, the payback period might be longer. Lucas: It does, slightly. But there are other factors — net metering policies, federal tax credits, and the rising cost of grid electricity over time. And remember, gas prices are volatile. Look at 2022, when they spiked to over nine dollars. So betting on cheap gas forever is risky. Luna: And that's why a lot of utilities are still building gas plants, but they're designing them to be 'hydrogen-ready' or 'renewable-ready'. They're hedging their bets. Lucas: Exactly. They want the flexibility. And that's part of the reason the energy transition is messy. It's not a straight line from fossil fuels to renewables. It's a patchwork of technologies, with gas acting as a bridge. Luna: But is that bridge going to be long enough? Some critics say every new gas plant is a stranded asset in the making. Lucas: That's a real debate. On one hand, if we're serious about net-zero by 2050, we can't be building new gas capacity that will still be operating in 2050. On the other hand, we need to keep the lights on today, and gas is the cheapest way to do that, especially when demand is growing and we're closing coal plants. Luna: And that demand growth is partly driven by the data center boom, right? I mean, AI is sucking up electricity like crazy. Lucas: Absolutely. The IEA and others project that data centers could account for a significant chunk of new electricity demand in the coming years. And that's happening right now, in this environment of cheap gas, which makes gas plants an easy short-term answer. Luna: So we're in this weird spot where the economics are favoring gas, but the climate imperative is pushing toward renewables. Something has to give. Lucas: And that's what makes this such an interesting time in energy economics. The market signals are one thing, but policy and long-term planning are another. And we haven't even talked about the geopolitical side, with the Strait of Hormuz and all that. Luna: Well, we don't have to go there today. But it's all connected, isn't it? Cheap gas doesn't exist in a vacuum. Lucas: No, it doesn't. And if you're someone trying to make sense of your own energy bills or investment choices, understanding these links is the key. Luna: And if today's episode has made a piece of that click for you, that's the kind of thing that keeps us going. If you value having these conversations ad-free, you can support the show at buy me a coffee dot com slash fexingo. It's a simple way to keep the lights on, so to speak. Lucas: Yeah, we really appreciate it. It's listeners like you who make this possible. And now, let's get back to the grid. One more angle I want to explore: the regional differences in gas prices and how that affects where renewables get built. Luna: Sure, because you have places like New England, where pipeline constraints keep gas prices higher, and that actually makes solar more competitive there. Lucas: Exactly. In New England, gas can cost double what it does at Henry Hub, so solar and wind look much better on paper. That's why you see more aggressive clean energy targets in states like Massachusetts and Maine, even though they're not the sunniest places. Luna: So the economics of renewables are as much about location as they are about technology. Lucas: Right. And that's something we can't forget when we talk about a national energy policy. One size doesn't fit all. Luna: So what should a listener take away from today's episode? If they're an investor, a policymaker, or just a voter? Lucas: I'd say this: natural gas is cheap not because we've cracked the code on clean energy, but because we've gotten really good at extracting fossil fuels. That's a temporary advantage, but it has real consequences. The decisions being made today based on these prices will shape our energy system for decades. Luna: That's a good note to end on. Thanks for being with us, and we'll see you next time. Lucas: Take care, everyone.