Meanwhile, LED lights can measure at 70 to 100 lumens per watt. Which lightbulbs are not banned under the new rule? Not all incandescent bulbs are banned under the new rule.

You can't buy incandescent light bulbs anymore. With a few exceptions, the bulbs – patented by Thomas Edison in 1880 and a common fixture in American homes for more than a century – have ...

That’s because traditional incandescent bulbs provide just 15 lumens per watt, according to light bulb manufacturer Philips. By contrast, most LED bulbs will get you 75 lumens per watt, or more.

The rule effectively bans most incandescent light bulbs because they typically produce about 15 lumens per watt according to Philips, a leading light bulb maker.

That's because traditional incandescent bulbs provide just 15 lumens per watt, according to light bulb manufacturer Philips. By contrast, most LED bulbs will get you 75 lumens per watt, or more.

The ban on incandescent lightbulbs has gone into effect in the U.S. more than a decade after the US first passed a rule prohibiting non-energy efficient lighting.

The incandescent light bulb still isn’t dead — but ‘normal’ ones are now truly banned 45 lumens per watt is now the bar.

That’s because traditional incandescent bulbs provide just 15 lumens per watt, according to light bulb manufacturer Philips. By contrast, most LED bulbs will get you 75 lumens per watt, or more.

The Department of Energy now requires lightbulbs to emit at least 45 lumens per watt, about three times what an incandescent puts out.