The city council approved a 35-megawatt project to generate 24% of its municipal electricity, making it the most populous U.S. city to acquire large-scale solar through a green tariff.

Justices Neil Gorsuch echoed developer arguments in his questioning, warning that a lower court decision could 'invite pipelines' in Western national parks.

The market is expected to produce more efficient generation dispatch, which could help bring more renewable energy online, though utilities will ultimately make decisions on their own resource mix, an SPP official said.

There's room for utilities to co-exist, and even thrive, with added distributed generation, panelists at the Solar Power and Energy Storage Mountain West conference said Monday.

Proposed changes to the funding mechanics for Qualified Facilities under the law could negate or reverse the cost reductions the renewable energy sector has benefited from in the past few years.