Karl Benz built what is regarded as the first practical automobile, the Benz Patent-Motorwagen in 1885, and likely told his wife Bertha "I shall leave the keys of the car unattended on this cupboard", but in German
Moments later, in 1888 Bertha Ringer Benz likely said "I'm taking the car" but in German, and took off for what would be the first trip in an automobile, driving for 106 Km from Manheim to Pforzheim
As nobody had yet thought of inventing gas stations, when Mrs Benz ran out of fuel some 34 km into her trip, she had to buy a petroleum solvent in the town of Wiesloch from the Stadt-Apotheke (city pharmacy, in non German) to fill the tank
In our view that old story about Mrs Bertha Benz first test drive tells everything you need to know about the growing relevance of energy storage in our present day, in a context that has changed dramatically since renewable and intermittent energy generation sources like solar and wind power have started playing a bigger role in the energy mix, bringing forth new challenges and new opportunities.
Just like during that fateful trip, when a new technology (automobile, then/intermittent energy generation, now) appears in a landscape hitherto adjusted to operate under certain parameters (feed horses then/ rely on predictable energy generation now), it becomes clear that in order to fully get advantage of the remarkable benefits the new technology offers (automobile! weeeee! then/ endless power source now) some new form of infrastructure is necessary and it might come as a network of gas stations, to stop bothering chemists for a refuel (then), or the ability to store large quantities of energy to cover for both over and under generation of energy from intermittent sources (now and tomorrow)
Storage still matters.
Power generation from intermittent sources is a thing now, and it is here to stay and grow.
Even my octuagenarian grandma has recently installed solar panels, good luck telling her that she has to remove them.
She may be old, but her slippers remain a dangerous weapon
Her energy output is just an incredibly tiny dot in the grand scale of things, but many dots stack up to create a bigger splash.
You can rest assured that there are a lot of tiny dots popping up out there,
Face it, this stuff is going to be around for a while and it affects both renewables enthusiasts and haters.
If you are not a motorist in line at the pharmacy to buy fuel, you are the next person in line trying to buy cough syrup.
That is one more example as to why energy storage REALLY matters, renewables or not
Nuclear power plants have the exact opposite operating profile of wind and solar: they are at their happiest providing a steady output, which is what they do rather efficiently.
However, power generation demand varies through the day, the week, the season.
You could throttle a bit, up or down, or you could just discard the excess energy generated during low demand periods.
But if you had access to an energy storage asset, you could run your plant smoothly and let said asset take care of responding to demand shifts
Electrochemical storage is probably what comes to mind first when "energy storage" is mentioned, as we interact with batteries all the time, in a form or another
Hydroelectric energy storage accounts for over 90% of the total storage capacity worldwide. And many other solutions have appeared in order to supply the ever growing demand for storage
You wouldn't try put a hydroelectric power plant in a remote and you wouldn't try to store energy for a town using a million AAA batteries.
Different technologies provide a solution for different needs, and no one technology is "THE energy storage".
As demand for capacity and lower costs of storage keep growing steadily, more options become available, building on the track record of existing energy storage assets and overcoming the new challenges that are revealed once the rubber hits the road.
It would take a few years for motorists to be able refuelling their cars in dedicated areas instead of buying gas-like stuff from the town pharmacy, but once the need for a solution became evident, it started a race of innovation, research and ingenuity thanks to which you can now get poisoned eating sushi and experience some of the most disgusting restroom facilities mankind has ever witnessed.
Class dismissed.
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