A report from the National Renewable Energy Laboratory indicates that changing regional dynamics in the West post-2025 could prompt some states to import renewable energy and turn others into regional suppliers. For example, Arizona utilities could cut their expenses by importing wind power from Wyoming and New Mexico after 2025, while Idaho could sell geothermal energy to markets in the Pacific Northwest and California, the report stated. "If by 2025 the least-expensive local resources are already in use, then developing the next tier of low-cost renewable resources could require new approaches," NREL said.

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