Billing

The background: The more complex the accounting process, the more prone to errors it’s likely to be. Which operator and which generating facility receives how much from the feed-in compensation or from the electricity trader? Who receives what proportion of the refund for redispatches? Are all figures correct?

Smart workflow: Since Germany’s Green Electricity Privilege of 2011 and the Management Bonus Ordinance of 2012, electricity tariffs can change monthly. PowerSystem’s billing workflow is a robust module that checks invoices based on more than 70 plausibility criteria and helps produce bills that are correct. Examples: Is the grid loss plausible? Does the production measured exceed what’s technically possible? Have the tariffs changed? Invoices are only approved once everything’s correct and then forwarded to the accounts department. Notifications are issued if they’re not correct or are not in the right order.

Flexible alterations: New requirements are added every year. In 2021, it was the PPA tariffs for plants that were continuing to operate but were no longer receiving subsidies under the German EEG. In this case, some electricity traders agreed tariffs that change every hour or even every quarter of an hour. No problem for our billing feature: PowerSystem obtains the quarter-hourly prices live from the electricity exchange and can therefore carry out plausibility checks on this dynamic form of pricing.

Managing feed-in: It also manages feed-in power. Which generating facilities feed in via which cable and at which feed-in point? If desired, it transmits the results via API to enterprise resource planning (ERP) or accounts.

Following the launch of Redispatch 2.0, a lot of new requirements have emerged. One is a technical resource operator in the planned value model. Anyone who balances Redispatch 2.0 using the planned value model needs a technical resource operator to calculate the final reimbursements for billing based on the reconciliation procedure and to transfer them and the weather data to the transmission system operators. Then there’s the real-time data in XML and IEC format for both Redispatch 2.0 and the European SOGL Directive. PowerSystem can carry out these technical resource operator services.

• Superior performance: Lots of digital guard dogs check all billing and bark if there are any discrepancies.
• One step ahead: If the meters to which the bill refers are remote readable, the monthly bill can be drawn up at the beginning of the following month already.
• Workflow monitoring: Workflow management ensures that all steps are carried out in the right sequence, plausible and nothing is overlooked.
• Passes any audit: Shows in detail who changed which figure and on which bill.