Memphis is studying the potential to save money by exiting its contract with TVA. At issue is how much solar and storage to include in any new generating portfolio.
The company’s new integrated resource plan has solar projections as high as 15 GW by 2038 and storage projections of 5.3 Gw in that same timeframe. However what will get built is still uncertain.
The federally-owned power company has responded to critiques of its planning by presenting a vague long-term vision, but in its central plan expects to build only 2-3 GW of new solar over the next decade.
By using high projected costs for solar, low costs for natural gas, and capping solar installations at 500 MW per year, the Tennessee Valley Authority “did not optimize for what is best for Tennessee Valley residents,” says a citizens group.
TVA has launched a solicitation for renewable energy projects with a minimum size of 2 MW, noting a preference for energy storage. The request for proposal pricing structure takes into account energy storage, seasonal and time of day pricing.
The Tennessee Valley Authority is moving to the next stage of its 2019 Integrated Resource Plan, and concurrently announced the cancellation of the Green Power Providers program as of January 1, 2020.
The two biggest plants each have a capacity of 150 MW, with smaller plants bringing the total capacity to 413 MW. These projects are a part of Google’s effort to match the company’s annual electricity consumption with renewables.
The two projects, at 227 and 150 MW respectively will greatly increase the capacity of installed solar in both states.
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