Prozessleitfaden — ESA

ESA: Die Rolle des Energieserviceanbieters

Eine neuere Marktrolle, die Messdaten im Auftrag von Anschlussnutzern anfordern kann — für Energieoptimierung, Flexibilitätsvermarktung und CO₂-Berichterstattung.

ESAEnergiedienstleisterUTILMDMSCONSMarket Partner IDFramework agreementAuthorisation

Was ist ein ESA?

A data middleman with legal teeth

An ESA (Energiedienstleister — Energy Service Provider) is a company that provides energy-related services to connection users — things like optimisation advice, flexibility management, or carbon reporting. To do this, they need real meter data. The ESA framework gives them a legal, EDIFACT-based way to request that data from the MSB.

Authorisation Is Mandatory

The connection user (building owner, company) must explicitly authorise the ESA. Without written authorisation, the MSB cannot legally share data. No authorisation = no data.

Market Partner ID Required

The ESA must have a registered Market Partner ID (GLN — Global Location Number). This ID is issued by BDEW and identifies the ESA in all EDIFACT messages. No GLN = no access.

Framework Agreement with MSB

Before any data flows, the ESA and MSB must sign a framework agreement (Rahmenvertrag) defining data categories, delivery schedules, and liability. This is a commercial agreement, not automated.

Smart Meter Data Is Richer

Standard meters provide monthly readings. Smart meters (iMSys) provide 15-minute intervals. ESAs that need granular data require the connection user to have a smart meter installed.

EDIFACT Certificate Needed

ESAs must have a valid EDIFACT communication certificate to participate in the market. This is an AS4 or OFTP2 certificate that authenticates their messages. Same as MSBs and NBs.

Data Fuels Services

MSCONS data in the hands of a skilled ESA can unlock significant savings — demand flexibility, peak avoidance, automated carbon reporting. The data is the product.

Was ESAs tun

Why Connection Users Want ESA Access

Real meter data unlocks real savings. These are the four most common ESA service types.

Energy Optimisation

Analyse 15-minute load profiles to identify waste. Recommend time-shifting heavy equipment to cheaper off-peak periods.

Example

Factory shifts compressor runs from peak (7–9am) to off-peak (11pm–1am). Monthly saving: €800.

Flexibility Trading

Use real meter data to trade demand flexibility on the intraday market. Shut down for 15 minutes when prices spike, get paid for the grid relief.

Example

Commercial cold storage agrees to a 15-min shutdown during grid stress. Payment: €120 per activation.

Carbon Reporting

Combine MSCONS consumption data with grid carbon intensity to calculate scope 2 emissions with 15-minute granularity — far more accurate than annual estimates.

Example

ESA calculates actual hourly carbon footprint for ESG reports. Replaces annual average factor with real-time data.

Building Automation

Feed real consumption data into building management systems. Trigger heating/cooling based on actual consumption patterns, not schedules.

Example

Office HVAC learns occupancy patterns from meter data. 12% energy reduction in first 6 months.

Der Registrierungsprozess

The full ESA setup: connection user authorises, ESA registers, MSB validates, data starts flowing.

ESA Registration & Data Flow (7 steps)

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Simulator: ESA-Datenanfrage

5 Messages to Access 3 Months of Data

Watch the exchange: ESA registers, gets confirmed, requests historical interval data, MSB delivers.

ESA Registration & Data Request

ESAEnergy Service Provider

MSBMeter Operator

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Access is revocable at any time

The connection user can withdraw the ESA's authorisation at any time. When they do, the MSB must immediately stop sending data. The ESA retains historical data already received but cannot request new data. This means ESAs must keep authorisations current.

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MSB-Side ESA Management

Authorisation Tracking

leitnetz tracks every ESA authorisation per meter point. When one expires or is revoked, data delivery stops automatically — no manual intervention needed.

MSCONS Dispatch to ESAs

The same MSCONS pipeline that serves NBs and LFs also serves ESAs. Data is dispatched, tracked, and acknowledged through the same reliable workflow.

Partner Registry Integration

ESA GLNs are stored in leitnetz's partner registry. Registration validation checks against known ESAs so fraudulent data requests are caught before processing.

Vorheriger Leitfaden

PRICAT

Price catalogue publishing for metering services

Nächster Leitfaden

Smart Meters

The smart metering rollout and iMSys technology