what percentage of a houses daily energy intake is used on lighting?

Answer 1

It depends on
1- Type of light bulbs used (incandescent, fluorescent, halogen, etc)
2- Amount of light bulbs used.
3- How many young kids are living (as they always forgot to switch off)
4- How many hours people live there.
5- Where in the world is the house (as you closer to poles days are getting longer)
6- And amount of other usages (e.g. are there dishwasher, how many fridges, electrical heating, other appliances?)

And it does not mean a lot, as long as you have electrical heating, cooling, elec. hot water, and all incandescent bulbs)

Answer 2

if the house has 100a service,
total power used is = 80% * 240 * 100 = 19200 watt

if the house has 1000sqft
lighting power used is = 3*1000 = 3000 watt

if the house has 2000sqft
lighting power used is = 3*2000 = 6000 watt

the 3 watt per sqft is recommended by ies lighting design handbook

Answer 3

More than anything it depends on where you live. In hot countries the majority of energy use goes into cooking but in cold countries the majority is used for heating.

Overall the figure is about 4% of the total household energy consumption.

Answer 4

I would probably say that it takes at least , just for the lighting 40 % .