GreenGold essay

Renewable energy costs hit record lows

David M. Gold

Renewable energy costs hit record lows. That is the cleanest way to say it, and it is also the part worth keeping. The latest global numbers from the International Renewable Energy Agency show that utility-scale solar and wind are still among the cheapest new power sources in many markets, even after years of rapid growth and supply chain strain.

I keep coming back to the same point: cheap power is not the same thing as a good business, but it does change the field. IRENA says that in 2025, more than 90% of new utility-scale renewable projects were cheaper than the lowest-cost new fossil fuel option in their markets. It also reports that solar PV held at about $44 per megawatt-hour, onshore wind fell to about $33, and offshore wind came in near $78. Those are low numbers by any recent standard.

The main fact that matters is not just that costs fell. It is that the cost gap has widened enough to shape real build decisions. When a new wind or solar project can beat a new gas or coal plant on price before subsidies, the old argument about renewables being a nice idea for the future starts to weaken. The market is already treating them as the lower-cost path in many places.

That said, record low does not mean uniform. Project costs still depend on where the site is, how strong the wind or sun is, how far the grid is, and how hard it is to get permits and equipment. A cheap panel is one thing. A working project that can connect to the grid and sell power on time is another.

I think that is where the story gets more useful and less tidy. The headline number can hide the spread between the best sites and the rest. It can also hide the fact that some parts of the sector have not kept falling. IRENA’s 2025 report says solar was flat year over year, while onshore wind kept getting cheaper and offshore wind also moved down, but not every technology followed the same path.

The bigger business point is simple. Lower generation costs help, but they do not solve every problem. Developers still face grid delays, financing costs, supply chain risk, and local politics. A project can be cheap on paper and still fail to move if the grid is full or the permit process drags on.

There is also a useful limit in the data itself. Levelized cost of electricity, or LCOE, is a standard way to compare power sources by spreading total cost over expected output. It is helpful, but it is not the full bill. It does not always capture the cost of backup power, storage, transmission upgrades, or the value of power at the exact time it is needed.

That distinction matters more now than it did a few years ago. When renewables were expensive, the question was whether they could get cheap enough. Now the better question is which projects can scale cleanly, reach the grid, and hold their edge as they grow. Cheap equipment is real. Durable delivery is harder.

From an investor’s seat, I read this as a sign of maturity, not victory. A technology can be cost-leading and still have weak margins if the field is crowded, financing is tight, or policy shifts with each election cycle. The cost curve tells us the technology has earned its place. It does not tell us which companies, if any, will turn that into durable cash flow.

The other caution is timing. IRENA’s data points to a long decline, but the report also notes signs of stabilizing costs after more than a decade of steep drops. That does not mean the trend is over. It means the next gains may be slower, more uneven, and more tied to system issues than to panel or turbine prices alone.

So the short answer stays the same. Renewable energy costs have hit record lows, and that is now a structural fact of the market, not a passing claim. The deeper lesson is that low costs move the center of gravity, but they do not erase the hard work of building power systems that are financed well, connected on time, and able to deliver when the grid needs them.

That is the kind of shift I try to separate from the story around it. The GreenGold Ledger is built for that split view, with attention to the business choices, capital signals, and policy shifts that sit behind the headline.