The 30-meter upgrade of about 92,000 street lamps in Leeds has been approved.
It can save about 3.
At current energy prices, $4 m per year
The Leeds City Council says the annual plan has been completed.
The Commission is currently spending about £ 4.
8 meters of street lights per year.
About 6,000 of the city's lights have been converted to cheaper LED lighting for operation.
The remaining 86,000 will be in 4-
The council said the year began in the summer of 2019.
The LED represents LEDs, from car headlights to camera flash and home lighting, which appear for the first time in a pocket calculator and a digital watch in 1960 s.
The executive committee of the council heard that it would take £ 25 to convert the remaining lights into LED lights.
4 m and another 5 m will be used for the technology of the control system.
Richard Lewis, member of the Leeds City Council, said: "With the projected rise in energy costs, this is an area where we can achieve significant savings in terms of cost and energy use, it will pay for itself in ten years.
"There is also potential for future savings because we can do things in the distance, such as dimming street lights.