How much electricity does a street light use per day?

Most of the time, street lights are used for 12 hours a day. The average price in the USA is 10 cents per kilowatt-hour ($0.10/kWh). Consumption for 12 hours is (12 hours*100 watt) = 1200 watt-hours = 1.2 kWh. So daily Electricity cost is (1.2 kWh*$0.10) = $0.12.

How much energy does a street light consume?

“The lamps used in streetlights vary in both size and consumption (typically between 35 and 250 Watts) depending upon whether they are lighting a residential area, main road or a town centre.” “It is generally assumed that the average wattage of a streetlight is about 80 watts.”

What law do street lights use?

Guidance for lighting of public streets, roads, and highways is provided in the Indian Standard (BIS, 1981). Since these guidelines are not enforced by any regulatory authority, it is common for municipalities to be unaware of the standards, and many fail to comply.

How much does a road light cost?

Typically, a street light might cost between $2,000 and $3,000 dollars. The installation fee for a street light can cost $1,000, depending on the area. But the costs can vary a great deal. The lighting system and power type chosen will impact the installation cost, as well as the cost to maintain those street lights.

How much do street lights cost?

How many volts are in a street light?

The most common streetlight operating voltage was 120 volts (62\%) followed by 240 volts (28\%). Most entities that own streetlights (82\%) use individual photocells to control the on/off function of the streetlight.

How much area does a street light cover?

Required Illumination Level for Street Light (L) is 6 Lux per Square Meter. Luminous efficacy (En) is 20 Lumen per Watt. Required Street Light Area to be illuminated (A) is 1 Square Meter.

How much power does a street light consume?

Sodium vapour lamp consumes 250 W on average. Mercury vapour lamps take up to 400 W. This is a general guide, and actually there are different models in both, consuming more or lesser power. Modern day LED street lights are rated 60 W average, while 40 W is also common in smaller places. Regular a street light consume 150-180 W Halogen.

How much electricity does a light bulb consume?

For example a 10 watt light bulb consumes power at a rate of 10 watts per hour, it does not mean that the light bulb consumed 10 units of electricity, it means it will consume power at a rate of 10 watts every hour. What is Kilowatt (kW) – Kilowatt is also a unit of power. Kilowatt (KW) is used for large devices that consume more power.

How many street lights are there in Chennai?

The potential can be gauged by the fact that a city like Chennai has 2,14,008 street lights maintained by the Corporation of Chennai. Of these, 84,664 use 70 watt Sodium Vapour lamps, 49,420 use 40 watt tube light, 42,250 use 250 watt Sodium Vapour lamps.

How can we save electricity by switching off street lights early?

Thus early switch on by about 45 minutes and later switch off by about 45 minutes can save electricity for 90 minutes = 1.50 hour daily. At present street lights are on for about 12 hours , it can be reduced to 10.5 hours a day and night of 24 hours. 1.5 / 12 x 100= 12.50\% saving can be made.