Tri-State could save $600 million by switching from coal to renewables

A study finds that “just the operating costs of many existing coal assets” now exceed total costs for new solar and wind power in the Mountain West. The Tri-State utility, for example, could save $600 million by 2030 by phasing out five coal units in favor of solar, wind and purchases of wholesale capacity and power.

Distributed storage to yield $2-3 of grid savings for each dollar spent

According to a recent study, the benefits of distributed storage would well exceed its costs, making storage a cost-effective resource that utilities must employ under Massachusetts law. The benefit/cost findings may be applicable in other states, to the extent that the Massachusetts grid is representative of other grids nationwide.

Solar could replace 2.73 GW of PacifiCorp coal units, at lower cost

A simple comparison of per-MWh costs for solar versus PacifiCorp’s existing coal-fired generation found that new solar would cost less than the going-forward costs of 11 coal units with a combined 2.73 GW of capacity.

Oglala Lakota lands could host 110 MW-AC of solar

Germany’s Wirsol is developing a 110 MW solar installation in the lands of the Native American nation.

11 GW of Texas solar would complement existing wind power

A study by UT-Austin finds that 11 GW of solar power in Texas would be the optimal capacity to complement the state’s existing wind generation in meeting electricity demand throughout the year. While the results reflect a carbon price scenario, they may still provide near-term guidance.

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