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Fall 2025 Updates to the Louisiana Generator Interconnection Queue

October 3, 2025 | Stacey Svendsen, Operations Director

Louisiana’s queue highlights the state’s dual role in both MISO South and SPP. The concentration of solar and hybrid resources in MISO shows merchant developer activity, while SPP filings add a smaller but still notable share. Gas projects, totaling 6 GW, remain a significant competitor, but renewables clearly dominate the state’s interconnection pipeline. Louisiana’s interconnection queue shows a diverse mix of solar, hybrid, wind, and gas resources, spread across both MISO South and SPP. The state has more than 18 GW of renewables under study, alongside 6 GW of gas, reflecting a balance of developer-driven and utility-driven proposals.

ZTHLG louisiana generator interconnection queue

Louisiana by the Numbers

Solar: 11.6 GW (11.4 GW in MISO, 0.2 GW in SPP)
Wind: 1.4 GW (all in MISO)
Hybrid: 3.6 GW (3.4 GW in MISO, 0.3 GW in SPP)
Battery Storage (Standalone): 1.6 GW (1.35 GW in MISO, 0.28 GW in SPP)
Renewables Total: 18.3 GW
Gas: 6.0 GW (4.7 GW in MISO, 1.4 GW in SPP)

Resource Mix

Solar is the largest resource at 11.6 GW, most of it in MISO South.
Hybrid projects total 3.6 GW, with strong developer activity in both queues.
Wind contributes 1.4 GW, exclusively in MISO.
Standalone battery storage adds 1.6 GW, split between MISO and SPP.
Gas projects account for 6.0 GW, with nearly 80% in MISO.

Click to view the full fall interconnection report.

Interconnection Queue Data:

MISO - https://www.misoenergy.org/planning/resource-utilization/GI_Queue/gi-interactive-queue/
SPP - https://opsportal.spp.org/Studies/GIActive

generator interconnection queue

Powering Louisiana

Powering Louisiana is a nonpartisan coalition of Louisianans united to identify, engage, and empower voices across the state who support utility-scale renewable energy developments. Our mission is simple: accelerate energy growth in The Pelican State by finding and connecting landowners, farmers, business leaders, and community stakeholders who understand that a modern, reliable grid requires local, scalable solutions.

If you agree that we need to move every available electron we can get onto the grid to build a future for Louisiana where energy is homegrown, reliable, and abundant, Powering Louisiana invites you to join us. This is about real progress, real collaboration, and real results—together, we will drive the energy future Louisiana deserves.

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Powering Louisiana partners with communities across the state to counter misinformation about renewable energy and to support community leaders in crafting clear, practical language for advocating when wind or solar projects come to their areas.

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Powering Louisiana believes lasting change comes from uniting communities, policymakers, and industry partners to advocate for transparent, evidence-based renewable energy policies. By forming broad coalitions across the state, we advance practical, affordable power solutions that protect everyday Louisianans.

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Powering Louisiana champions policies that grow renewable energy and shield the industry from harmful legislation. We work to ensure practical siting guidelines, reliable bonding standards, and clear decommissioning processes so projects can thrive in communities across the state.

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