Lazard's 2026 Levelized Cost of Energy report finds renewables hold new-build cost edge despite rising pressure

Renewables held their position as the cheapest option for new-build electricity generation in 2026, according to the 19th annual Levelized Cost of Energy+ report from Lazard (NYSE: LAZ), published July 13. The New York-based advisory firm, which has tracked generation costs annually for nearly two decades, frames that finding against two forces operating at once: unprecedented power demand and rising construction costs across all generation types. Lazard's position is that both dynamics are reinforcing the case for a diverse generation fleet and lifting the competitive standing of capacity already on the grid.

The cost position renewables maintain

The Levelized Cost of Energy framework measures the full lifecycle cost of bringing a unit of electricity to market, accounting for capital expenditure, fuel, and operations across a plant's working life. It is the standard benchmark for comparing generation technologies on a consistent basis. Lazard has published this analysis annually for 19 consecutive years.

The 2026 edition holds the directional line. Renewables remain at the low end of the new-build cost curve even as cost pressures climb broadly across the sector. From a physical standpoint, that finding lands differently against a backdrop of unprecedented demand: more capacity is needed and construction costs have risen across all generation types, meaning the renewable cost advantage cannot close the gap on its own. That is the logic behind Lazard's argument for a diverse fleet rather than a single-technology build-out.

Why existing assets are gaining ground

The second major conclusion in the report concerns generation capacity already operating. When new-build costs rise across all types, the economic case for retiring existing plants weakens. Replacement becomes more expensive, so the threshold for economic retirement rises with it. Lazard states this directly: rising new-build costs are increasing the competitiveness of existing generation.

Read alongside unprecedented demand, that conclusion carries a clear physical implication. More load to serve combined with higher replacement costs means existing capacity holds its place in the dispatch mix longer. Fleet turnover slows. Plants that might otherwise face economic retirement become harder to displace on price alone.

Lazard released the full Levelized Cost of Energy+ report on July 13, 2026.

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