Smart Grid Management for Renewable Integration Patent Landscape 2026
Smart Grid Management for Renewable Integration Patent Landscape in 2026
The smart grid management for renewable integration patent corpus is in a growth stage, with a 55% rise in recent filings and India as the dominant filing jurisdiction. Ownership is moderately concentrated: RESTORE leads the ranked applicants, but the field remains open enough for challengers with differentiated technology positions.
RESTORE leads a moderately concentrated field with meaningful room for challengers
RESTORE holds the top position among ranked applicants, followed by GRIDBRIDGE INC and CENTRICA BUSINESS SOLUTIONS BELGIUM NV. The top five filers collectively account for 31% of the combined output of the hundred largest filers, indicating moderate concentration — no single entity commands an overwhelming share.
A clear tier gap separates the top two or three applicants from the rest: the fourth-ranked TORUS INC and the fifth-ranked SR UNIVERSITY each hold meaningfully fewer patent families than the top three. Below that tier, the field fragments into a long tail of academic institutions, national utilities, and small commercial entities, none individually dominant.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | RESTORE | 17 | |
| 2 | GRIDBRIDGE INC | 11 | |
| 3 | Centrica Business Solutions Belgium NV | 10 | |
| 4 | TORUS INC | 8 | |
| 5 | SR University | 6 | |
| 6 | Aartech Solonics UK Ltd | 6 | |
| 7 | Hohai University | 4 | |
| 8 | Shanghai Jiao Tong University | 4 | |
| 9 | State Grid Jiangsu Electric Power Co Ltd Nanjing Supply Branch | 4 | |
| 10 | Swansea University | 3 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | NIPPON TELEGRAPH & TELEPHONE CORP | 3 | |
| 12 | Regents of the University of California | 3 | |
| 13 | WiSys Technology Foundation Inc | 3 | |
| 14 | Mitsubishi Electric Research Laboratories Inc | 2 | |
| 15 | Guodian United Power Technology Co Ltd | 2 | |
| 16 | Saveetha Engineering College | 2 | |
| 17 | OXTO Ltd | 2 | |
| 18 | State Grid Jiangsu Electric Power Co Ltd | 2 | |
| 19 | NARI Technology Co Ltd | 2 | |
| 20 | ABES Engineering College | 2 |
RESTORE’s lead, reinforced by an eight-family co-development relationship with CENTRICA BUSINESS SOLUTIONS BELGIUM NV, suggests it has pursued a partnership-driven strategy to consolidate its position. The presence of Chinese state utilities (State Grid Jiangsu) and universities (Hohai University, Shanghai Jiao Tong University) in the top twenty indicates that national energy-transition mandates are generating institutional IP alongside commercial filers.
Filing counts for the most recent 18–24 months are likely understated due to standard patent publication lag; the apparent acceleration should be treated as a floor, not a ceiling. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filings are accelerating and the technology mix is broadening beyond core grid systems
The annual filing trend reveals a field in active growth, while the technology composition chart shows that grid power systems remain central but that AI, business analytics, and EV charging branches have become meaningful secondary clusters.
Annual filing trend
Annual filings show an uneven but upward trajectory from 2017 onward, with a strong surge apparent in 2024 and 2025. The 2026 bar is substantially understated because most filings from the past 18–24 months have not yet published; the true recent-period volume is higher than the chart suggests. The 55% recent-window growth rate confirms the underlying acceleration is real.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H02J (power supply and grid systems) is the dominant branch, reflecting the core subject matter. G06Q (business and commerce data processing) and G06N (AI models) rank second and third, showing that optimization algorithms and commercial grid management logic are now integral to the technology. B60L (electric vehicle propulsion) appears as a notable adjacent cluster, confirming that vehicle-to-grid integration is being pursued within this corpus. Sparser branches — including H04L (digital communications), H02M (power conversion), and G05B (control systems) — represent areas of lower current coverage relative to their technical relevance.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
An energy management system and method for grid-co…
A micro-grid energy management system is provided which can operate and regulate power, voltage, frequency and phase to a load in both grid-connected and islanded mode, obviating the need for switching between control paradigms. (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Methods and Systems for Post-Disaster Resilient Re… | 104 |
| 2 | Fast electric vehicle charging and distributed gri… | 69 |
| 3 | Micro-Grid Energy Management System | 67 |
| 4 | Highly flexible, electrical distribution grid edge… | 66 |
| 5 | Battery energy storage control systems and methods | 64 |
| 6 | 一种混合能源电站能量管理系统 | 41 |
| 7 | Micro-grid, energy management system and method | 34 |
| 8 | An energy management system and method for grid-co… | 29 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the competitive structure means for R&D investment decisions
China, and India’s filing dominance creates a differentiated risk-opportunity profile depending on a filer’s technical focus and geographic strategy.
Growth stage: annual volumes still rising
The field is classified as Growth, with annual filings still rising and recent-period volume up 55% versus the prior window. The most recent years remain understated by publication lag, so the true pace of new entrant activity is likely higher than the current record count implies. This is an early-to-mid window for establishing foundational positions before the field matures into a consolidation phase.
Lifecycle: GrowthModerate concentration with a long challenger tail
The top five filers hold 31% of the combined output of the hundred largest filers — moderate concentration rather than oligopoly. The tier gap between RESTORE and the sub-10-family group leaves room for challengers to close the gap through focused filing in adjacent branches. The long tail of Indian academic and individual filers suggests volume is being driven partly by institutional incentive structures rather than purely commercial IP strategy.
Market structureRESTORE–Centrica partnership dominates co-filing; Chinese university–utility clusters also active
The most active co-filing pair is RESTORE and CENTRICA BUSINESS SOLUTIONS BELGIUM NV, with eight joint patent families — the single strongest collaboration link in the dataset. A distinct Chinese academic-utility cluster connects Hohai University with State Grid Jiangsu Electric Power (Nanjing branch) and with Shanghai Jiao Tong University, each pair sharing two joint families. These collaboration patterns suggest that technology transfer between research institutions and grid operators is an established pathway in this field.
EcosystemIndia leads filings; China and the US are the next-largest jurisdictions
India is the leading filing jurisdiction by patent records, followed by China and the United States. WIPO PCT and EPO filings indicate some players are pursuing multi-jurisdictional protection, but the volume there remains modest relative to national office filings. Australia and New Zealand also appear, likely linked to Australasian grid operators pursuing protection in their home markets. Germany, Canada, Japan, and South Korea each have marginal coverage, signaling potential geographic white space for applicants seeking protection in major electricity markets.
Jurisdiction spreadGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| RESTORE | Centrica Business Solutions Belgium NV | 8 |
| Hohai University | State Grid Jiangsu Electric Power Co Ltd Nanjing Supply Branch | 2 |
| Hohai University | State Grid Jiangsu Electric Power Co Ltd | 2 |
| Hohai University | Shanghai Jiao Tong University | 2 |
| Shanghai Jiao Tong University | State Grid Jiangsu Electric Power Co Ltd Nanjing Supply Branch | 2 |
| Shanghai Jiao Tong University | State Grid Jiangsu Electric Power Co Ltd | 2 |
| Hohai University | State Grid Jiangsu Electric Power Co Ltd Economic & Technical Research Institute | 1 |
| Hohai University | State Grid Corporation of China | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
RESTORE anchors the field through grid-systems depth and a key commercial partnership; GRIDBRIDGE INC and DG MATRIX are the most active new entrants
The leader card is grounded in family count and technology focus; the challenger card highlights the two new-entrant players whose momentum data are most pronounced.
RESTORE
RESTORE holds 17 patent families — the largest count among ranked applicants — concentrated in H02J 3 (power supply and grid systems), with secondary positions in G05B 13 (control and regulating systems) and G06Q 50 (business data processing). Its eight-family co-development relationship with CENTRICA BUSINESS SOLUTIONS BELGIUM NV reinforces its commercial grid-management positioning. No momentum trend data is available for RESTORE in the recent-window comparison, indicating its base was already established in the prior period rather than being a new entrant.
families: 17GRIDBRIDGE INC
GRIDBRIDGE INC holds 11 patent families and is classified as a new entrant based on its recent filing momentum. Its technology focus spans G05B 15 (control systems), H02J 3 (grid systems), and H02M 1 (power conversion) in roughly equal measure — a broader hardware and control stack than RESTORE’s more software-oriented portfolio. DG MATRIX, also a new entrant with recent momentum, focuses on H02J 3 and H02M power conversion, suggesting a power-electronics-first approach that complements rather than replicates GRIDBRIDGE’s position.
families: 11| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| GRIDBRIDGE INC | 2 | ▲ new entrant |
| TORUS INC | 7 | ▲ new entrant |
Control systems, power conversion, and EV integration are under-served relative to their technical relevance
The following branches appear at lower coverage levels relative to H02J within this corpus. Each has plausible technical linkage to smart grid management for renewable integration, making them worth monitoring for filing activity or potential entry.
G05B · Control & regulating systems — sparse coverage in an operationally critical area
G05B accounts for a small share of patent records in this corpus despite being directly relevant to grid automation, demand-response control loops, and microgrid supervisory systems. The most-cited reference ‘Micro-Grid Energy Management System’ maps closely to this branch. An entrant with strength in real-time control architectures could establish a differentiated position here without directly competing against RESTORE’s H02J-heavy portfolio. Entry path: combine G05B claims with H02J3 to protect integrated control-and-grid system inventions.
Search this in Eureka →B60L · Electric vehicle propulsion — vehicle-to-grid integration remains lightly claimed
B60L is the fourth-largest adjacent branch by record count and aligns with the growing vehicle-to-grid (V2G) and grid-interactive EV charging use cases evidenced by the top-cited reference ‘Fast electric vehicle charging and distributed grid management.’ Coverage here is sparse relative to the strategic importance of bidirectional EV charging for renewable integration. The branch has clear technical value — EV batteries are increasingly treated as distributed storage assets — and a realistic entry path for applicants with EV charging or battery management IP who wish to extend into grid management.
Search this in Eureka →Leaders diverge sharply by technology route: grid-systems software vs. power-conversion hardware
Strength of each leader across the main technology routes.
| Player | H02J 3 · Power supply & grid systems | G06Q 50 · Business, commerce & admin data processing | H02J 13 · Power supply & grid systems | G06Q 10 · Business, commerce & admin data processing | H02J 7 · Power supply & grid systems |
|---|---|---|---|---|---|
| RESTORE | Strong · 26 | Emerging · 5 | Absent | Emerging · 3 | Absent |
| GRIDBRIDGE INC | Strong · 11 | Strong · 6 | Strong · 10 | Absent | Absent |
| TORUS INC | Strong · 7 | Strong · 5 | Absent | Strong · 5 | Absent |
| SR University | Strong · 6 | Strong · 5 | Absent | Moderate · 2 | Absent |
| Centrica Business Solutions Belgium NV | Strong · 8 | Absent | Absent | Absent | Absent |
| Shanghai Jiao Tong University | Strong · 4 | Absent | Moderate · 2 | Absent | Absent |
Frequently asked questions
The corpus currently contains 173 patent families. This total is likely an undercount for the most recent 18–24 months because many recently filed patents have not yet been published.
RESTORE holds the largest position among ranked applicants, with 17 patent families. Its closest competitors are GRIDBRIDGE INC with 11 families and CENTRICA BUSINESS SOLUTIONS BELGIUM NV with 10 families.
India is the leading jurisdiction by patent records, followed by China and the United States. WIPO PCT and EPO also have coverage, though at lower volumes.
H02J (power supply and grid systems) is the dominant IPC class. G06Q (business and data processing), G06N (AI models), G05B (control systems), and H02M (power conversion) are the next-largest branches, reflecting a blend of hardware, software, and algorithmic approaches.
The field is classified as Growth. Annual filings are still rising, and the recent filing window shows 55% growth versus the prior comparable period. Publication lag means current totals understate actual recent activity.
The top-cited references include ‘Methods and Systems for Post-Disaster Resilient Restoration,’ ‘Fast Electric Vehicle Charging and Distributed Grid Management,’ ‘Micro-Grid Energy Management System,’ and ‘Highly Flexible Electrical Distribution Grid Edge Controller’ — collectively covering resilience, EV integration, microgrid control, and distributed edge architectures.
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Disclaimer. This page is generated from PatSnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. PatSnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.