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What Is FLEX and How Does It Benefit You?

FLEX is a smart energy solution that helps balance electricity supply and demand, rewarding you for participation.

3 min read
Last updated January 26, 2026

Why does it matter?

Energy production must always be balanced with consumption to ensure grid stability. However, with the increasing use of renewable energy sources such as solar and wind power, it is becoming more difficult to predict energy flows. Additional balancing activities are often needed when more energy is produced than consumed, and vice versa. For this reason, controllable capacities are activated through the flexibility market. This is where FLEX comes in. FLEX uses smart devices, such as home batteries, to either absorb excess energy or release it back into the grid as required. Production is higher than demand? Batteries are charging. Consumption is higher than supply? Energy is added from the batteries. This helps stabilize the grid and participants are paid for their contribution. Participation in the flexibility market is subject to meeting the conditions set by Elering, which we have achieved in partnership with Fusebox Energy and KratTrade (also known as Baltic Energy Partners and Scener).

How It Works in Practice

When your energy park helps to balance the grid, it either supplies or consumes energy. This balancing energy flows through the same meter and within the same hour as your regular energy production or consumption. In order to avoid being billed or paid twice for the same energy, energy traders use metering data from Elering to distinguish when and through which market each energy unit was handled. Currently, there are two main ways in which traders handle this. Immediate adjustment: the trader subtracts the balancing energy from the total before issuing the first bill. Example: If 10 kWh of energy was exported in one hour, but 1 kWh of this was balancing energy, then only 9 kWh would be billed as regular energy. The remaining 1 kWh is handled separately through the flexibility market. Correction billing: the trader initially bills all 10 kWh as regular energy and then issues a correction to account for the 1 kWh used for balancing.

What You Can Earn

Your earnings depend on:

  • the size of your battery (kWh).
  • how often the grid needs balancing.
  • market prices at the time of activation. Payments are shown on the platform and credited monthly as an advance. You can then choose to:
  • use to offset your electricity service bills.
  • request as a payout to your bank account. A 20% service fee for Premium or 30% for Light Plan users applies to the revenue earned. This covers platform development, partner fees, and service management.

Getting Started

To join the FLEX market you can click on the banner on the dashboard. If you do not see the banner, it means your current setup is not eligible for participating in the Flex Market. This will direct you to a page with a simple form. There, you need to:

  • Sign a participation agreement
  • Provide your EIC code (e.g. 38ZEE-1000007L-E) and the address of the site. That’s it! Our team will handle the technical setup and market registration. Still have questions? Contact us at support@markedroid.com — we’re happy to guide you through the process!
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