When replacing old HID parking lot lights with LED, you can get the same lumen levels using much less energy.
60,000 lumens - 1500-watt metal halides vs. 450-watt LED
40,000 lumens - 1000-watt metal halides vs. 300-watt LED
20,000 lumens - 400-watt metal halide vs. 150-watt LED
10,000 lumens - 250-watt metal halide vs. 90-watt LED
