Little Rock has completed a major solar energy project at the Port of Little Rock, with city officials projecting annual electricity savings approaching $1 million.

The project is valued at approximately $12 million and features a 6.3-megawatt solar array, according to an October 30 local report.

City officials say the new array is expected to generate enough energy annually to offset about 70% of the electricity demand described in the project's reporting.

What the numbers mean: The $1 million figure is a projection rather than an audited result from a full year of operations. The actual savings will depend on electricity production, consumption, rates and operating conditions.

Why the location matters: The Port of Little Rock is a major commercial and industrial area, making the site an important part of the city's infrastructure and economic-development landscape.

What to watch: Future reports on measured generation, maintenance costs and realized utility savings will help determine whether the project meets expectations.

The completed solar installation offers a new example of how local government is pursuing changes in energy supply and public operating expenses.