Pendulum
Pendulum is a state-of-the-art measurement solution that continuously tracks the grid frequency in Sweden per bidding zone (SE1–SE4).
It enables asset owners, aggregators, and operators to access real-time, high-resolution frequency data tailored for use in flexibility markets.
Pendulum ensures compliance with Svenska kraftnät’s Category A requirements for centrally controlled flexibility resources. This makes it suitable for FCR-N, FCR-D and other ancillary services where precise frequency data is critical.
Key Features
- High-precision frequency measurement – 40ms resolution from meters
- Bidding zone granularity for locational accuracy
- API & data streaming for seamless integration with EMS, BESS, and aggregator platforms
- Secure, compliant data handling according to SvK Cat. A certification
- Visualization dashboard with historical and real-time views
- Plug-and-play deployment – no specialized hardware needed at each site
- Market readiness – directly supports participation in Swedish ancillary markets
Why Pendulum?
Grid frequency is the heartbeat of the power system. To deliver flexibility and balancing services, resources must respond with precision, reliability, and speed.
- Market Compliance – Fulfills SvK Category A technical criteria
- Operational Value – Provides accurate, time-stamped frequency data for any solution
- Risk Reduction – Improves settlement accuracy and avoids penalties in balancing markets
- Future Proof – Scalable to new market products
- Delivered according to ISO27001 and NIS/NIS2 compliance
Use Cases
- Battery Energy Storage (BESS) – Optimize response to FCR-N and FCR-D triggers
- Aggregators – Monitor frequency per bidding zone to coordinate distributed assets
- Industrial Loads – Ensure compliance and verify flexibility delivery
- Renewables – Improve participation of wind, solar, or hybrid sites in ancillary markets
Business Value
Faster Market Entry – Simplifies compliance with SvK requirements
Transparent Operations – Aligns asset owners and aggregators with the same verified frequency signal
Competitive Advantage – Higher precision data improves control algorithms and revenues
Technical Highlights
- High measurement resolution
- Standardized data output
- Bidding zone support
- Integration ready
