The lighting with the best cost-performance ratio is LED (Light Emitting Diode) lighting. LED technology offers a combination of energy efficiency, long lifespan, and low maintenance costs, making it a highly cost-effective choice for both residential and commercial applications.

LED lighting is superior in terms of cost-performance ratio due to several factors. Firstly, LED bulbs consume significantly less energy than traditional incandescent bulbs, which translates to lower electricity bills over time. According to the U.S. Department of Energy, LED bulbs use 75% to 80% less energy than incandescent bulbs and last 25 times longer. This extended lifespan reduces the frequency of replacements, thereby saving on maintenance and replacement costs.

Secondly, LED lighting has a lower upfront cost compared to other energy-efficient lighting options like compact fluorescent lamps (CFLs). While CFLs are also energy-efficient, they tend to be more expensive initially. The initial investment for LED lighting is higher, but the long-term savings in energy costs and bulb replacements make it a more cost-effective choice.

Additionally, LED lighting offers superior color rendering and flexibility in design. LEDs can produce a wide range of colors and are available in various shapes and sizes, making them suitable for a variety of applications. This versatility further enhances their cost-performance ratio by allowing for customization and adaptability to different environments.

Data from the U.S. Energy Information Administration (EIA) supports the cost-effectiveness of LED lighting. In 2019, the average cost of LED bulbs was $5.50 per bulb, while the average cost of incandescent bulbs was $0.50 per bulb. However, considering the energy savings and longer lifespan, LED bulbs can pay for themselves in as little as 2.5 years, compared to 10 years for incandescent bulbs.

In conclusion, LED lighting stands out as the best choice in terms of cost-performance ratio due to its energy efficiency, long lifespan, and lower maintenance costs. The data from the U.S. Department of Energy and the U.S. Energy Information Administration further underscores the cost-effectiveness of LED lighting, making it a wise investment for any lighting application.