Name: Fluence's Smartstack: Reimagining Energy Storage for a Renewable Future
Uploaded: 2025-12-07T03:27:22.000Z
Duration: 11 min 8 s
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Welcome to this episode of India Means Innovation where we discuss the technologically complex innovations coming out of India.

Today we have with us Dhanya Rajeshwaran, Managing Director of Fluence India.

Fluence is a global leader in energy storage.

Energy has been the real currency of humanity's growth and over the last few years we are seeing a massive shift towards the sources of energy, the rise of the renewables.

Can you tell us about the scale of the shift?

So when you think about how the countries and world leaders have been pushing for a more sustainable way of fueling Earth's progress, Right?

So there's been a tremendous push for how do we have more renewables in the mix.

So even if you look at India, just By the year 2030, the government is saying we have to hit a 50% mix with the renewable energy consumption in India.

So the need for it is so urgent because the future of humanity depends on the sustainable way in which we are able to power ourselves.

And as we go into renewables, let's say solar or wind energy storage becomes a challenge.

So you know, if you think about the traditional sources of energy, much investment has been made decades and decades ago.

So obviously those sources are much cheaper today because you know, they've paid for themselves over the decades.

But when you think about renewable energy, the business case for the investment lies in how much is the roi the the investor is able to take out of it.

So why does a renewable energy storage become important?

It becomes important because the way the renewable energy sources, so for example solar or wind, they're obviously nature dependent and nature is never predictable.

So there is inherently an unpredictability in the way the power gets generated.

Now if you discharge the directly into the grid, the grid cannot accept the unpredictability of that power generation.

And as a result, instability of the grid is an inherent risk.

So what is necessary is for this unpredictable energy generation to get to a predictable mode before it gets into the grid.

Enter energy storage, battery energy storage, battery energy storage.

The great innovation that we are going to talk about today is the smart stack battery energy solution from Fluence.

So the smart stack, as I understand it has two components.

Let's talk about the innovations on both sides.

Let's talk about the stack, the battery stack depends the energy density.

What's the technology that fluence uses in creating a higher density of energy in its battery storage?

And let me answer this as simply as I can.

So when you think about the battery energy storage solutions, think about it as boxes, okay?

So these are boxes that come with, you know, batteries, and

then it comes with its own control systems, it comes with its own array, telco racks, the way it communicates, the system communicates.

And then it comes with its software, and then it comes with its digital tools.

But when it works like this, the linearity of it, which means that you need X number of boxes to be added.

With the smart stack, what we've done is we've said, hey, if you needed to do more with lesser land, right?

And that's where the word density comes in.

And the smart stack divided this box into two.

So there's a skid which becomes the base, and then the pod, which sits on it.

So not only is this going to allow us a modularity of design, which means it's easier, easy to install, it's easy to service, it's easy to.

It's quicker to deliver, but it also allows for us to pack more energy into it.

So the skid allows for the hard technology to be the foundation for the pod, which is stacked on top of the skid, if that makes sense.

And this is an innovation of design and architecture.

There is no other design like that in the world.

So now let's talk about the smart part of it.

How is it driven by software, digital AI, all of it?

The software is where the smart part begins.

So we have what we call as the fluence operating system.

It's proprietary and it allows for us to be able to quickly commission it, remotely monitor it, and

Our fluence operating system allows us to remotely monitor our entire fleet around the world from a singular location.

And that's incidentally happening out of this location in Bangalore.

We call it the remote monitoring and diagnostic center.

But what that means for the customer is peace of mind, because the customer knows that there's somebody who's always looking at the performance of the product, which then allows for the customer to know that if something were to go wrong, then there's somebody immediately going to look at it, remotely fix it.

Because our fluence operating software allows for us to remotely fix most of it and if for whatever reasons we can't, then we have the entire wherewithal of our services team to do it.

So that's where the smart part part begins.

And then we want to make sure that every component starts talking to each other, which then culminates into this control systems.

You know, you talked about the grid stability right in the beginning.

So the smart stack must be talking to the grid on a regular basis.

What kind of advantages are we talking about with this?

You know, better design, better architecture of smart stack and the digital layer controlling this.

How much more efficiency, how much more productivity are we talking about?

We are anticipating at least a 30% more efficiency from the current standard of systems that is there in the world.

How much installed base do you have out in the world?

We're roughly about 40 gigawatts right now and continuing to grow.

And a 30% efficiency at that level, probably wonderful.

What are the technologies that are the foundation of this innovation?

So what I haven't yet spoken to you about is how do we actually layer this fluence operating system with even more intelligent systems on it, which gives the customer the bang for the buck.

So we have a digital tool which is called the Mosaic, which is actually layered on top of this.

Okay, so which means that it is able to, at any point in time look at at least 5,000 plus parameters that are constantly changing in the market, the energy market, and

is able to then inform the customer when is a good time to bid for what you might have stored, when is a good time to discharge for what you might have stored, when is a good time to stop discharging for what you might have stored.

So this is the equivalent of algorithmic trading in energy.

That means not just the stability of the grid, but also better ROI for the energy producer.

So around the world you have energy exchanges.