GreenGold essay

Lazard LCOE shows renewables are cheapest new power

David M. Gold

Renewables are still the cheapest new power in Lazard’s latest LCOE report. That is the short answer, and it is the one readers usually need first.

I keep coming back to how plain that result is, and how easy it is to misread. Lazard’s 2026 Levelized Cost of Energy+ report says unsubsidized renewables remain the most cost-competitive form of new-build generation. In plain English, that means the model compares the cost of building and running new power plants, without tax credits, and wind and solar still come out near the low end.

That matters because it is a real market signal, not a slogan. The report says utility-scale solar and onshore wind stay below the cheapest fossil options on an unsubsidized basis, even after higher capital costs, higher interest rates, tariffs, and supply chain pressure. Gas is still important, but the report also says new gas has reached a 15-year high in levelized cost, and that cost is expected to keep rising.

The phrase levelized cost of energy sounds technical, but the idea is simple. It is the average cost per unit of electricity over the life of a project. It folds in big upfront spending, fuel, operations, and the expected output. That makes it useful for comparing new projects, but it does not tell the whole story of a power system.

That limit matters. LCOE is not the same thing as what the grid needs at every hour of the day. A power plant can look cheap on paper and still face delays, wiring bottlenecks, land issues, or storage needs before it fits into the system. So the report tells us something important about new-build economics, but not everything about grid value.

The more interesting point is how the cost gap is being shaped. Lazard’s report says all generation types face inflationary pressure, but renewables still hold the low-cost edge. That is a sign of scale, supply chains, and engineering learning. It is also a sign that the old assumption, that clean power must always cost more, no longer fits the current numbers.

I would not stretch that into a claim that every renewable project is easy to build or easy to finance. The report itself points to rising costs across the board. Higher rates raise the cost of capital, and capital matters a lot in projects with heavy upfront spending. That hurts all new generation, but it hurts technologies that need more borrowed money especially hard.

There is another useful detail in the report. Lazard says renewables will account for most near-term U.S. capacity additions. That is not the same as saying every utility or every developer will choose them for every site. It does mean the broad cost picture still favors wind and solar when the comparison is new power without subsidies.

I think that is the real lesson here. The headline is not that clean power has won every case. It is that, in Lazard’s current view, the lowest-cost way to add new bulk power is still mostly renewable. That is a strong fact pattern, and it has held up even as the cost environment worsened.

The honest uncertainty sits in the gap between cheap energy and usable power. LCOE does not fully capture storage, transmission, interconnection queues, or the timing of demand. Those frictions can change the final business case in ways a simple chart cannot. That is why the report is a strong input, not a full answer.

For readers who want the business meaning in one line, it is this: Lazard’s latest LCOE work says the cost case for new wind and solar still leads the field, but the system around them is what will decide how fast they get built. That is the kind of tradeoff that matters in clean power, and it is the kind of signal that deserves a close read in The GreenGold Ledger, where the focus stays on business choices, capital signals, and policy shifts that shape climate and innovation ventures.