Since 1 January 2024, § 14a Energiewirtschaftsgesetz — implemented through Bundesnetzagentur decisions BK6-22-300 and BK8-22/010-A — governs the grid integration of defined controllable consumption devices connected to low voltage with a grid connection capacity above 4.2 kW. DSOs may not refuse or delay their connection on the grounds of anticipated local grid congestion; in return they may reduce those devices' grid import during an identified local grid constraint, while maintaining the applicable minimum grid import allowance — generally 4.2 kW per directly controlled device. This page explains what that means operationally — and why the right to control is only as good as the grid intelligence behind it.
The bargain in one sentence: a DSO may not refuse or delay the connection of eligible heat pumps, wallboxes, batteries or cooling systems on the grounds of anticipated local grid congestion — and in return may temporarily reduce those devices' grid import when an identified local grid constraint requires it, maintaining the applicable minimum grid import allowance (generally 4.2 kW per device).
Statutory basis: § 14a EnWG (gesetze-im-internet.de) →Grid-oriented control must be based on an identified local grid constraint and limited to what is necessary for as long as the risk persists. Transitional preventive control is permitted under specified conditions where real-time grid-oriented control is not yet available: for up to two hours per day and for no more than 24 months from the first preventive intervention in the relevant network area. Applicable minimum power allowances must be maintained. Every intervention has to be documented — a different job from planning reinforcement on a ten-year horizon, and one most low-voltage grids were never instrumented for.
To do it well, a DSO needs to determine whether congestion is real and locally attributable, monitor low-voltage networks with limited measurements, calculate the minimum intervention required, control individual devices or customer energy-management systems, and distinguish genuine grid constraints from data or topology errors. Each of those is a data and modelling problem before it is a switching problem.
The customer side is regulated too. Customers receive reduced network charges in return for participation in the control scheme. Module 1 provides a flat annual reduction. Alternatively, Module 2 reduces the network-charge energy rate by 60%, meaning customers pay 40% of the regular rate, and requires separate metering. Since 1 April 2025, customers choosing Module 1 can additionally opt for time-variable network charges under Module 3. Reduced network charges are granted in return for participation and controllability under the scheme; they do not depend on the DSO actually carrying out a control intervention. The obligation to intervene proportionately is therefore not only technical but economic and reputational — blunt curtailment is visible, it is measured, and it is compared across operators.
Every intervention has to rest on an identified local constraint, stay within the minimum allowance and be documented. Knowing the state of the low-voltage grid is what makes that proportionate — and defensible.
§ 14a replaces “connect when the grid allows” with “connect now, manage later”. The sequence every German DSO now runs:
In return for controllability: reduced network charges — granted for participation in the scheme, independent of whether a control intervention actually takes place.
EnliteAI FLEX supports the analytical work behind § 14a: estimating the low-voltage grid state, forecasting congestion, identifying whether a constraint is real and locally attributable, calculating the minimum intervention and documenting the analysis behind each decision. Operational control and regulatory reporting depend on the interfaces, workflows and validation implemented with the DSO.
Working in Austria as well? How the ElWG deliberately differs from § 14a →
Bundesnetzagentur Festlegungen BK6-22-300 and BK8-22/010-A of 27 November 2023, applicable since 1 January 2024. Every rule on this page is current German law and regulatory practice.
Regulation (EU) 2024/1747 and Directive (EU) 2024/1711 entered into force on 16 July 2024. Together, they strengthen the European framework for flexibility, flexible connection agreements and transparency on available grid capacity. The Directive requires national transposition according to its specified deadlines; entry into force does not mean that every provision became operational in every Member State on that date.
Time-variable network charges have been available since April 2025 and the smart-meter rollout continues. As more devices become controllable, the number of potential interventions grows — and so does the cost of getting one wrong.
Every claim on this page has a concrete Fundstelle: the connection rule and the control right are § 14a EnWG; the operational rules, the 4.2 kW connection-capacity threshold, the minimum grid import allowances and the network-charge modules are the Bundesnetzagentur Festlegungen BK6-22-300 and BK8-22/010-A of 27 November 2023, applicable since 1 January 2024. We keep this page current — if you spot something outdated, tell us. We mean it.
See how much § 14a intervention your low-voltage grid actually needs — and how much it can avoid — quantified, on your own data.
