Prairie Mist Solar

Prairie Mist Solar project represents a significant fusion of the state’s traditional farming heritage with its clean energy future. By co-locating power generation with agricultural activity, this facility is pioneering a model for how rural economies can diversify their revenue streams while contributing to a more resilient and sustainable grid.

Significance & Context

The Prairie Mist Solar project is a 120-megawatt (MW) facility developed by Lightsource bp. The project’s entire output is being sold to Entergy Arkansas under a long-term power purchase agreement, a key component of the utility’s strategy to expand its renewable portfolio as outlined in its Integrated Resource Plan (IRP) filed with state regulators. With an estimated capital investment of $150 million, the project will generate enough electricity to power approximately 23,000 homes and is designed to coexist with active farming, creating a dual-use landscape.

Development Timeline

Development for Prairie Mist Solar began with land leasing and feasibility studies in 2020. The project successfully navigated the interconnection process with the Midcontinent Independent System Operator (MISO), with its status visible in the public MISO Generation Interconnection Queue. After securing all necessary local permits from Arkansas County and finalizing its PPA, major construction commenced in early 2023. The project reached commercial operation and began delivering power to the Entergy grid in the first quarter of 2025.

Technology & Innovation

A defining feature of Prairie Mist Solar is its commitment to agrivoltaics. The project utilizes elevated mounting systems and wider spacing between rows of solar panels to allow for sufficient sunlight to reach the ground. This design enables the continuation of agricultural production beneath the array, specifically tailored for pollinator habitats and sheep grazing. This approach, supported by research from the National Renewable Energy Laboratory (NREL) on co-location, enhances soil health, supports local food systems, and reduces vegetation maintenance costs.

Challenges & Controversies

A primary challenge for the Prairie Mist project was addressing initial skepticism from the local farming community regarding the long-term impact of solar development on prime agricultural land. Concerns were raised about the permanence of the conversion and its effect on the rural character of the area. The developers addressed this through a proactive public engagement campaign and by making the agrivoltaics plan a central pillar of the project. By demonstrating that the land could remain productive for agriculture and by providing binding decommissioning plans filed with the Arkansas County Clerk’s office, they built crucial trust and secured community support.

Community & Economic Impact

The project delivers a multi-layered economic benefit to Arkansas County. During peak construction, Prairie Mist Solar typically employed over 200 workers, providing a significant boost to local businesses. Over its 30-year operational life, the project is projected to generate over $15 million in new property tax revenue, which will likely contribute substantially to local school districts and county services. For participating landowners, the long-term lease payments offer a stable, drought-resistant source of income, while local farmers can earn additional revenue by grazing their sheep on the site.

Future Outlook

Now operational, Prairie Mist Solar stands as a long-term asset and a replicable model for sustainable energy development in Arkansas. Its successful integration of solar and agriculture provides a blueprint for minimizing land-use conflicts. The project’s design also allows for the potential future addition of battery storage. As battery costs decline, a trend documented by the U.S. Energy Information Administration (EIA), co-locating storage would allow Prairie Mist to supply power during evening peak hours, further enhancing its value to the Entergy Arkansas grid and ensuring its role in the state’s energy future for decades to come.