Questions tagged [energy]

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DeepL using significant energy

Why does the DeepL desktop application consume a lot of energy? Even more than Chrome. How can I diagnose it? MacBook Pro 15-inch, 2019 (Intel chip)
John Lin's user avatar
0 votes
0 answers
56 views

Delays to Sleep and Wake notifications

Is it normal that there are Kernel Client Acks every so often while my Mac is asleep indicating that there are delays on several drivers? I found entries like this via the command: pmset -g log | grep ...
Blurfquarf's user avatar
3 votes
1 answer
408 views

Looking for a way to read out Battery and PowerAdapter Information via ioreg

I'm trying to collect information on power usage of our Apple (for now macOS only) devices. I came across some good posts and was already able to read out the AppleSmartBattery object via ioreg. That ...
daniel.eichten's user avatar
1 vote
1 answer
64 views

How can I monitor the energy impact of peripheral devices connected to my Macbook?

How can I monitor the energy impact of peripheral devices connected to my Macbook? I want to see if my external HDD is draining my battery or not.
HappyFace's user avatar
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4 votes
2 answers
6k views

How do you interpret "12 hrs power" in Activity Monitor?

When hovering over the 12 hrs power column header in the Energy tab of Activity Monitor, it says: Average Energy Impact over the last 12 hours or since the Mac started. Lower is better. In my case, ...
stevec's user avatar
  • 4,857
0 votes
1 answer
412 views

MacBook Pro battery cycles is increased

I have a MacBook Pro (2019), I usually work at home, so I use the MacBook with connected to energy but that the battery cycles is increased. This is normal? What is the best way to use a Macbook at ...
Jhenrry Alvaro Mamani Javier's user avatar
4 votes
4 answers
2k views

Does macOS have hibernation where no power is used?

Does macOS have hibernation mode which works exactly like hibernation in Windows (RAM is saved to the disk and power is switched off)? When I use hibernation in macOS, computer still consumes energy. ...
Kornel Szymkiewicz's user avatar
1 vote
1 answer
2k views

How to find watt hours of MacBook?

I see the latests Macbook Pro 16" has a 100 watthour battery - how do I find the equivalent stat for my current Macbook given the info under About -> System Report -> Hardware -> Battery ...
stevec's user avatar
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1 vote
1 answer
922 views

Why does Automatic Graphics Switching keep re-enabling itself without my involvement?

I disable Automatic graphics switching under Energy Saver, as it significantly slows my Macbook Pro (10.15.5). Yet this checkbox keeps getting re-enabled when I have not touched it! How can I prevent ...
Joshua Fox's user avatar
  • 1,177
0 votes
1 answer
277 views

Facing problem to test Energy Consumption by a factorial function with Python module "pyRAPL"

I would like to calculate energy consumption. That's why I have used the following program, unfortunately it gave errors. MWE: #need python3.7 to run this from math import * import time # time ...
BSFU's user avatar
  • 13
2 votes
0 answers
72 views

Macbook pro fan going on while sleeping

I bought a 2019 15" this month (Jan 2020). Stats: Processor: 2.6 ghz 6-core i7 Memory: 16gb 2400 MHz DDR4 Graphics: Radeon Pro 555x It throttles randomly even when I'm not doing anything tasking. I ...
U. Essien's user avatar
0 votes
1 answer
121 views

Cap energy consumption of processes on macOS

Most of us probably already had this situation: One is tight on battery and trying to save as much energy as possible. Then suddenly a process goes wild and drains the battery by 10 or more percent ...
Michael's user avatar
  • 279
1 vote
1 answer
1k views

Does a power cord use energy when it is not pugged into a Mac?

In order to save energy I consider pulling the power cord out of the wall after my Mac has been recharges. Does a power cord use energy when it is not pugged into a Mac?
D Mayo's user avatar
  • 11
1 vote
0 answers
2k views

Get MacBopok Pro to just SLEEP the normal way

I've read practically every question and answer I can find that mention the pmset command, after I discovered it was behind the most frustrating thing about my new MacBook Pro. I say MY MacBook Pro, ...
ThisLeeNoble's user avatar
0 votes
1 answer
378 views

What is this no-name item in Activity Monitor's Energy tab?

I'm running macOS High Sierra and just noticed a couple of these processes with an icon but no name. See screenshot below.
Gene Parcellano's user avatar
4 votes
5 answers
10k views

Prevent MacBook Pro 2016 from sleeping (High Sierra)

I need to prevent my 13" 2016 MacBook Pro from sleeping. I'm using the Sonnet Echo Express III-D and when the Mac sleeps, all cards in the devices are disconnected and won't come back until the Mac is ...
Swisher Sweet's user avatar
5 votes
2 answers
2k views

Automatically Inhibit sleep while transferring files over the network?

I was transferring some files over the network and my macbook pro just fell asleep. I had the "Wake for network traffic" in Preferences>Energy checked. I am using High Sierra. It doesn't sound like ...
Frank Barcenas's user avatar
1 vote
1 answer
718 views

idle power consumption of MagSafe 2 45 W A1436 Power Supply

The title says it: plugged into the wall (120vac), but disconnected from the MacBook Air, how much power is consumed by the power supply?
DavidRecallsMonica's user avatar
0 votes
1 answer
2k views

Spotlight taking a lot of power on macOS

I recently installed macOS, but I have noticed that "Spotlight.app" has had high CPU usage. It is not indexing.
Karl Schmidt's user avatar
27 votes
3 answers
59k views

Extreme energy usage by Spotlight

I recently (two days ago) updated to El Capitan on my work machine (15" MBP, Mid 2015, 2.5 GHz Core i7, 16GB ram, R9 M370X, 500GB SSD) and ever since then, Spotlight has been draining my battery and ...
alexjwong's user avatar
  • 471
1 vote
0 answers
2k views

How to stop OS X from system sleep when the Display sleeps?

On OS X Yosemite I found that all operations interupt once I switch of the monitor for a while. Most notabaly copy processes of large files, simply pause. Every time OS X puts the Display to sleep (or ...
merlin's user avatar
  • 213
1 vote
2 answers
126 views

Is firefox hiding from the energy monitor?

Since Firefox 38, it is no longer showing in the activity monitor in the energy tab, are other people experiencing this? How can a process hide from the energy monitor in the first place? I think ...
hbogert's user avatar
  • 111
0 votes
1 answer
235 views

How to make Energy Saver Schedule to Shutdown when logged out

I have an iMac with the Energy Saver schedule to turn off at a specific time and then restart in the morning. It does not work if I am logged out. How do I make it work if no one is logged in?
Lisa's user avatar
  • 1
21 votes
5 answers
15k views

Schedule a Mac to sleep, just one time

Is it possible to schedule a Mac to sleep just one time? I know I can set a schedule for it, but I want to have control over it. So occasionally I'll go to bed but leave a file transferring, and I ...
Gary's user avatar
  • 4,283
10 votes
1 answer
2k views

Energy impact from terminal

Is there a command available that displays the Energy Impact from the terminal? Top doesn't display this info.
djurobski's user avatar
  • 101
0 votes
1 answer
2k views

Can my retina MacBook Pro SSD drive go to sleep?

In energy settings there are several options concerning the power consumption of you mac, like dim display, app nap, but also "Put harddisk to sleep when possible". To my knowledge, an HD hard disk ...
CousinCocaine's user avatar
2 votes
2 answers
5k views

Why does pmset -g return sleep 1

When running pmset -g, the sleep value (putting the system to sleep) is set to 1 (sleep prevented by coreaudiod) I have set my screen saver to show after 10 minutes of inactivity. I then set my ...
Nahydrin's user avatar
  • 151
1 vote
2 answers
1k views

How to make the iMac go to sleep after certain amount of time?

My MacBook Pro has settings for putting the Mac to sleep after a certain amount of idle time. My iMac does not have that setting. See the screenshot (sorry, it's in German). I want to make sure that ...
Arne's user avatar
  • 2,352
4 votes
1 answer
2k views

Where did the MacPro 6,1 "Computer Sleep" setting go?

Anybody got a clue where the MacPro6,1 power / sleep setting went? The only thing I can set is the "Turn display off after" slider. On my old MacPro2,1 there were two settings: Computer sleep ...
Roger's user avatar
  • 1,140
1 vote
0 answers
529 views

How performance of Macbook Air 13" mid-2011 battery from iFixit compares to the original one?

Please share your performance of the replacement battery as sold by iFixit (I'm interested in the New one, not B-Stock) as compared to the original battery from Apple for Macbook Air 13" mid-2011 (...
yurkennis's user avatar
  • 1,531
1 vote
2 answers
2k views

How do I force my MacBook Air into "hibernation" mode?

I have a MacBookAir3,2 (late 2010) running 10.9.3. I want to be able to force the machine to immediately go into "hibernation" mode, but it seems impossible. The usual answer that I have seen is ...
TJ Luoma's user avatar
  • 20.6k