What factors influence the levelized cost of electricity (LCOE) for a new energy project?

• A. Weather patterns influence the levelized cost of electricity.
• B. Capital cost, operations and maintenance, fuel costs, capacity factor, financing, lifespan, and discount rate.
• C. LCOE depends entirely on subsidies.
• D. LCOE depends only on carbon price.

Answer: (B)

The main idea is that the levelized cost of electricity reflects the lifetime economics of building and running a plant, spread over all the electricity it can produce. This cost is driven by the upfront capital cost and all the ongoing costs, plus how much energy the plant actually generates over its life and how money is valued over time. Capital cost sets the heavy upfront burden that each kilowatt-hour has to cover. Operations and maintenance cover the regular expenses to run and service the plant. Fuel costs apply to fossil or biomass plants and can swing a project’s economics a lot. Capacity factor determines how much electricity is produced relative to the plant’s maximum possible output; a higher capacity factor means more energy for the same costs, lowering the LCOE. Financing and discount rate capture the cost and time value of money, while lifespan determines how many years of output you can amortize those costs over. All together, these elements—capital cost, operations and maintenance, fuel costs, capacity factor, lifespan, and discount rate—comprise the full set of factors that shape LCOE. Weather or subsidies and carbon prices can influence these factors or their outcomes, but they’re not the fundamental set that defines LCOE on its own; the best answer lists the complete, core drivers.