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Lazard reports that solar costs have risen 18% but are still the lowest cost generation.

Solar power project costs in the United States have risen 18% since a year ago, as tariffs and high interest rates are taking hold. However, renewable energy sources remain the most cost-effective way to generate 'new' electricity, according to a report published on Monday by the financial advisory firm Lazard.

The levelized cost energy of new combined-cycle gas plants, which is a measure for the average cost to generate electricity over the lifetime of a power station, has reached a 15-year-high. Lazard warns that costs may rise further due to equipment shortages and the booming demand for power.

The record-breaking?demand for electricity in the United States, driven by the growth of data centers and the electrification sectors like transportation, has led to a need for new generating capacity, while increasing development costs.

Lazard discovered that the levelized costs, or average cost to produce a unit of electricity over the life of a power station, for utility-scale solar increased from $38-$92 a year earlier. Samuel Scroggins said that levelized costs of solar and storage increased because of a variety of factors. Higher capital costs, higher interest rates, and inflationary pressures such as tariff pass through and repricing supply chains are all factors.

Solar and onshore winds, which are relatively quick to deploy, will still account for the majority of new U.S. generation capacity in the near future.

Solar and wind projects are still competitive even after calculating the cost of a backup system to guarantee?reliability'. This highlights?the important role that renewables will play in meeting increasing power demand.

The levelized price of electricity generated by 'combined cycle natural gas plants', which use gas to power one turbine and steam to power a second, has risen to $51 to $129 per MWh. Utility companies and power developers were attracted to the generation source because of its constant output.

(source: Reuters)