> Absolutely. The transition from transformers to switched power supplies has saved a lot of energy and thus money and pollution.
>
> Even switching power supplies draw some power when plugged in but not in use.
>
> We can all do better. The latest estimates I have seen show between 1 and 2% of power generated in the US is wasted in chargers that aren't charging anything.
>
> 1% of 360,000 thousand megawatt-hours per month is 3,600 thousand megawatt-hours per month - the equivalent of four complete power plants.
>
> If you aren't using it, unplug it.
>
> dave
If you happen to own one, plug a 12-watt iPad power supply into a "Kill-a-watt" monitor, and see how "much" power it uses while plugged in and not in use.
After I did that, I decided to leave mine plugged in all the time.
On the other hand, I generate about 50% of my annual electric power.
Posted by: Jim Saklad <jimdoc@icloud.com>
| Reply via web post | • | Reply to sender | • | Reply to group | • | Start a New Topic | • | Messages in this topic (20) |
Aucun commentaire:
Enregistrer un commentaire