Questions tagged [electricity]
Questions concerning the production or use of electricity in a sustainable way.
133 questions
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What are some practical ways to reduce energy consumption?
I'm trying to make my household more energy-efficient, both to lower utility bills and to reduce environmental impact, but I’m facing a few challenges and would love advice on practical steps.
Current ...
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What is the most environmentally-friendly generative AI?
With public release of ChatGPT, access to conversational, generative AI became more widely available. There were various publications noting how energy intensive that technology was (here's one ...
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Is there a difference between GW and GWe?
How would you explain the difference between "GW" and "GWe" when talking about electricity generation?
Is there a way to convert one into the other easily if you don't have any ...
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Why hasn't the percentage of renewable electricity grown in Germany this year?
A large German newspaper, Die Zeit, has been showing a daily-updated energy infographic on its front page for a few years now. Today, in the summer of 2024, the graphic looks like this:
see * if you ...
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CO2 emissions for a satellite
How much CO2 emissions would producing an LEO satellite (e.g. Starlink satellite) release? I imagine there are various factors that go into this (aluminum body, electronics, battery, solar cells, etc.)...
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Alternatives to solar panels/shingles?
Are solar panels the only option for running appliances without use of the power grid?
As someone with an apartment, I have a decent-sized balcony, but not enough to lay out an array of solar panels.
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Can I use multiple small inverters for individual circuits in parallel instead of one large inverter?
I tried searching the internet, and everything I found was about using inverters in parallel seemed to be for coordinating multiple inverters supplying to a single bus. I'm curious about using ...
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Powering a small apartment
I recently saw a sale on EcoFlow products (in this case, an EcoFlow Delta Pro Ultra Starter Kit) so I decided to contiue researching ways to power up my small apartment without having a rooftop full ...
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How do buildings with eco-electricity know their electricity is eco?
Walking around the city centre of Warsaw I saw a poster placed by a construction zone of a new skyscraper. The poster said something along the lines "our building will use electricity from ...
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Inexpensive way of permanently running a fridge with solar power?
I have about USD $3,000 that I can use to invest in solar-powered alternatives at my apartment. Since I live in Latin America, my small rooftop receives tons of sunlight 12 hours/day but is not big ...
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Best strategy for turning off computer/laptop monitors to save energy but not reduce lifespan?
When doing what's best for our planet, there are often trade-offs involved. One such trade-off can be saving energy vs. reducing lifespan of equipment (which can result in significant environmental ...
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Is it possible to make a device, to stop dropouts, when switching between alternate sources?
I have two 220V AC power sources and a contactor that switches to another if one is unavailable. But it takes few microseconds to switch and there is a moment when both power sources are disconnected ...
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How can I measure the total home electricity consumption with a high temporal resolution in Germany?
In order to save energy and to investigate the benefits of a balcony solar array (300W), I am trying to find out my total electricity consumption with low latency and high temporal resolution. ...
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How to connect 12v inverter to 24v two batteries system?
I have two 545 solar panels and 50 amps mppt charge controller feeding two 12v batteries and I have a 12v 1000 watt inverter, how do I connect the inverter to the batteries? Should I connect the ...
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Is there enough total Lithium in the Earth's crust to make sufficient grid storage to meet total global Winter energy demand?
I'm fact checking the statement: "There isn't enough Lithium in the planet (Earth) to store enough energy to make it 4 months through the Winter" here: https://youtu.be/fzzWVLSPgK4?t=192
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