Grid Digital Twin Patents: Who Leads, Where the Gaps Are 2026
Grid digital twin platform patents: state estimation, topology processing and where the field is heading
21.3% concentration at the top. The top 5 assignees hold 128 of 602 records in scope — a leader well ahead of the field but no runaway monopoly. Filings ran from 46 in 2017 to a peak of 58 in 2025, with 2026 at 15 so far (a partial year). The 2021-to-2024 window, the last stretch with complete data, shows filings down 22% (50 to 39) — a genuine cooling in a maturing filing base rather than an artefact of publication lag.
- 1THE HONG KONG UNIV OF SCI & TECH4.8%
- 2SZ DJI TECH CO LTD4.8%
- 3PARALLEL SYSTEMS INC4.2%
- 4CLEARMOTION INC4.2%
- 5HITACHI ENERGY LTD3.3%
See the full grid digital twin platforms analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions about this landscape
What counts as a grid digital twin platform in this patent landscape?
This dataset scopes records around network model synchronization, state estimation, topology processing, measurement redundancy, bad data detection, parameter calibration and scenario replay — the core technical building blocks of a digital twin for power grids. It also captures adjacent filings in navigation and sensor fusion because many state-estimation techniques are shared with robotics and autonomous-vehicle localisation. The result is 602 published records spanning 2015 to mid-2026, drawn from both power-systems and computing-heavy assignees.
Who are the leading patent filers in grid digital twin technology?
The ranking covers 100 companies, with the leading assignee holding 29 records against a fifth-place figure of 20 and a tenth-place figure of 12. The top 5 combined account for 21.3% of all 602 records and the top 10 for 35.2%, which means the field has a clear leader but not a dominant monopoly — well over half of all records sit outside the top 10 filers entirely.
Is patent filing in this space growing or slowing down?
The last complete three-year window, 2021 to 2024, shows filings down 22%, from 50 to 39. At the same time, 2025 recorded the highest single-year total so far in the dataset (58), and 2026 figures are still partial. Because publication typically lags filing by around 18 months, the most recent years understate real activity, so it is premature to call this a clear decline rather than a data-lag effect.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Grid Digital Twin Platforms covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.