Interconnection queue in Utah (2015 requests)

Before a new power plant or battery can connect to the US grid, it joins a queue for studies and an interconnection agreement. Most requests never get built. This shows every request: active, built and withdrawn.

Requests shown31,138 MW

Active in queue1,138 MW3 requests

Agreement signed0.0 MW0 requests

Withdrawn18510 MW never built

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Project, developer, substation or county State Grid region Technology Status Year joined Sort

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Source: Lawrence Berkeley National Laboratory, Queued Up interconnection queue data (data through end of 2025). Map points are county centres, not exact sites.

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In studyAgreement signedUnder constructionBuiltSuspendedWithdrawn

Requests

3 requests

Project	Capacity	Status	Location	Region	Queued	Online
Solar + storage project Q49, Millard County Solar + storage · Intermountain Power Agency	600 MW	In study	Millard, UT	West	Aug 2015	target 2020
Solar + storage project NC5-001, Kane County Solar + storage	480 MW	In study	Kane, UT	West	May 2015	target 2028
Solar + storage project 642, Iron County Solar + storage · Parowan Solar, LLC	58.0 MW	In study	Iron, UT	West	Feb 2015	target 2024

Capacity in the queue by state

Click a state to drill down.

By grid region

ISO/RTO markets and the non-ISO West and Southeast.

West (non-ISO utilities)3 · 1,138 MW

Requests by year joined

Capacity of requests in this view, by the year they entered the queue. Click a year.

20132025

Source: Rand, J. et al., Queued Up, Lawrence Berkeley National Laboratory, data through end of 2025. Compiled from the queues of the 7 ISO/RTOs and dozens of non-ISO utilities. A request is a proposal to connect, not a commitment to build: historically most are withdrawn. Capacity is the requested interconnection size; hybrids include the storage component. Transmission lines · Planned power plants (EIA)