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Emma 3.0

Battery energy storage sizing software for utility-scale installation

November 2019
Gallery Emma 3.0 1
Gallery Emma 3.0 1


The sizing software enable to avoid under-sizing (avoid possible lost of revenue) or over-sizing (avoid large investment costs) of a BES (Battery Energy Storage).

It offers a way to precisely compute the optimal BES size to couple with some renewable sources of production by implementing precise electrochemical sizing models and by enabling the simulation of multiple business cases offered by BES. The user can choose which revenue stream he's willing to prioritize. The benefits and the ageing associated with the installation and the use of the BES are then computed for multiple BES size.

Label Date November 8, 2019
From Switzerland
Maturity stage Initial market commercialization

Implementation Stories

Emma 3.0 by Aurora's Grid
Implemented by Romande Energie SA in Morges (Switzerland) in 2022

Romande Energie SA, a Swiss energy production and distribution company, also active in energy services implemented EMMA 3.0 in may 2022. The Solution is capable of computing the CO2 footprint of the national grid, the CO2 footprint of the deployment of the battery (Li-ion) and allows the use of renewable stored energy into the battery only when the CO2 footprint of the grid is at its maximum. Aurora’s Grid is capable of calculating and tokenizing the C02 earned with a granularity of one second.


Payback is reached as soon as the software has ⊜corrected⊝ 300 kwh of installation


The environmental benefits

  • Reduce the CO2 footprint of a building by up to 24%

The Financial benefits

  • A gain up to 5'150'000 USD for 103 MWh installation
  • Payback is reached as soon as the software has "corrected" 300 kWh of installation

Activity Region

  • /
  • Headquarters
  • Activity

Company Profile

Aurora's Grid

We have developed an ageing-aware energy management and a sizing/diagnostic software for Li-ion battery energy system

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Headquarters 1015 Lausanne, Switzerland

Networking Partner


As an expert for the innovation scene in energy and environmental technologies, CleantechAlps (Sion, Switzerland) is a hub for the cleantech ecosystem, connecting its stakeholders with relevant partners.

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Solutions Associated 65

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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Aurora's Grid has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.