Net metering allows the building to sell back any excess electricity produced by renewable energy systems, and is usually an important financial piece. Varying price structures are offered, though, and net metering is not offered in all states. Check with your utility.
Investments in energy efficiency are usually more cost-effective than onsite renewable energy. However, if you’ve picked that “low-hanging fruit” and want to enhance your building’s environmental profile, renewables can be cost-effective.
Full-cutoff luminaires should not cost more than conventional fixtures, but other common strategies for meeting this credit may add costs. These include controls, timers, sensors, and low-power lights like LEDs. Ensure that these features are not eliminated during value-engineering.
If the project is going for multi-party contractor bid, make sure the bid’s package reflects the fixture specifications and performance. Otherwise the contractor may replace the specification with a similar lower-cost fixture that doesn’t have the same wattage or a cover for cutoff.