Virtual Power Plant Patent Landscape 2026
Virtual Power Plant Patent Landscape in 2026
The virtual power plant field is in active growth, with a 104% increase in patent families over the recent window and annual volume still rising. Kyocera Corp holds the largest single-applicant position, but a broad tier of Japanese and Chinese incumbents, utilities, and universities keeps the competitive structure moderately concentrated.
Kyocera leads a moderately concentrated field with strong state-utility and academic participation
Kyocera Corp is the clear front-runner with 467 patent families, more than double the nearest challenger Toyota Motor Corporation at 216 patent families. The top five filers together account for 34% of the combined total among the hundred largest filers, signaling moderate concentration with meaningful room for challengers.
A pronounced tier gap exists between Kyocera and the rest of the top five — China (128), and Panasonic Intellectual Property Management Co. Ltd (106). Below this tier, a dense cluster of Chinese state utilities, Japanese industrials, and Chinese universities competes closely from roughly 40 to 93 patent families each.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Kyocera Corporation | 467 | |
| 2 | Toyota Motor Corporation | 216 | |
| 3 | State Grid Shanghai Municipal Electric Power Co. | 133 | |
| 4 | State Grid Corporation of China | 128 | |
| 5 | Panasonic Intellectual Property Management Co., Ltd. | 106 | |
| 6 | North China Electric Power University | 93 | |
| 7 | Shenzhen Power Supply Bureau | 67 | |
| 8 | Accenture Global Services Ltd. | 64 | |
| 9 | Toshiba Corporation | 64 | |
| 10 | Mitsubishi Electric Corporation | 62 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Siemens AG | 62 | |
| 12 | Hitachi, Ltd. | 61 | |
| 13 | Honda Motor Co., Ltd. | 59 | |
| 14 | Southeast University | 48 | |
| 15 | Shanghai Jiao Tong University | 44 | |
| 16 | Tsinghua University | 42 | |
| 17 | Guangzhou Power Supply Bureau Guangdong Power Grid | 41 | |
| 18 | China Electric Power Research Institute Co., Ltd. | 38 | |
| 19 | State Grid Zhejiang Electric Power Co., Ltd. | 30 | |
| 20 | Korea District Heating Corporation | 30 |
Kyocera’s dominant position, anchored in grid power-supply systems (H02J), reflects a long-standing hardware-to-software integration strategy. Toyota’s rapid momentum (see Players section) suggests the field is increasingly contested by automotive entrants pursuing vehicle-grid integration. Chinese state utilities and universities collectively represent a formidable bloc that shapes the regulatory and standards environment.
Filings from approximately 2024 onward are likely under-counted due to standard patent publication lag; apparent near-term figures should be treated as minimums rather than final tallies. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Annual filings are rising sharply and power-grid systems dominate the technology mix
Two structural features define the field: a sustained upward filing trajectory from 2017 through 2025, and a technology composition overwhelmingly anchored in grid power-supply systems with growing secondary branches in AI, EV integration, and business-process computing.
Annual filing trend
Filings climbed from 214 patent families in 2017 to 962 in 2025, with consistent year-on-year growth across the window. The 2026 figure of 89 reflects only a partial year and publication lag, not a reversal; the lifecycle evidence confirms the field remains in a growth stage with annual volume still rising. The 104% growth rate over the recent window underscores the pace of investment.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H02J (Power supply and grid systems) is the dominant branch by a wide margin, reflecting the core grid-integration nature of VPP technology. G06Q (Business, commerce, and administrative data processing) ranks second, indicating that commercial settlement, demand-response management, and market-participation logic are heavily patented. G06N (AI models) and B60L (electric vehicle propulsion) are the fastest-rising adjacent branches, pointing toward AI-driven dispatch optimization and vehicle-to-grid as the next competitive frontiers.
↗ 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.
Virtual power plant system using renewable energy …
A virtual power plant system using a renewable combined heat and power plant includes a plurality of distributed energy resources connected to a virtual power plant; a virtual power plant output adjustment device connected to the virtual power plant and including a renewable combined heat and power plant that produces electricity using a new and renewable… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Systems and methods for advanced energy settlement… | 481 |
| 2 | Standalone unit of a standalone power grid for com… | 241 |
| 3 | System and method for creating and operating an en… | 239 |
| 4 | Renewable energy integrated storage and generation… | 200 |
| 5 | Automated aggregation and management of distribute… | 180 |
| 6 | Systems and Methods for Model-Driven Demand Response | 178 |
| 7 | System and method of democratizing power to create… | 175 |
| 8 | Method and system for charging a fleet of batteries | 109 |
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 patent structure means for R&D investment decisions
China-dominant filing geography creates a specific set of strategic implications for new and existing participants.
Active growth stage — annual volume still rising
The lifecycle evidence classifies virtual power plant patenting as a Growth stage field, with annual filings continuing to climb and the recent-window growth rate at 104%. This means foundational position-building is still possible, but the window for low-cost entry into core grid-management claims is narrowing as Kyocera, Toyota, and the State Grid bloc consolidate their positions. New entrants should expect to encounter dense prior art in H02J grid-systems claims and differentiate in adjacent branches.
Growth stageModerate top-tier concentration with a crowded mid-tier
The top five filers hold 34% of the combined total among the hundred largest filers, which is moderate rather than oligopolistic. Below the top tier, more than a dozen applicants cluster in the 40–93 patent-family range, including North China Electric Power University, Shenzhen Power Supply Bureau, Accenture Global Services, Toshiba, Mitsubishi Electric, Hitachi, Honda, and Southeast University. This dense mid-tier means challenger strategies based on narrow specialization — particularly in AI dispatch (G06N) or EV grid integration (B60L) — are viable.
Moderate concentrationUtility–industry–university triads dominate co-filing activity
The most active co-filing pairs are Toshiba Corp and Toshiba Energy Systems and Solutions Corp (26 joint families), State Grid Corporation of China with China Electric Power Research Institute (24), and State Grid Shanghai with Shanghai Jiao Tong University (23). Hitachi and IKS Co. Ltd. are also prominent co-filers (22 joint families). These pairings reveal that the dominant collaboration model is vertical integration within corporate groups or formal utility–university partnerships, not open cross-industry consortia. Prospective entrants without existing utility relationships may find collaboration-based access to grid-operation data a meaningful barrier.
Utility-university triadsChina-dominant filing geography with Japan and US as secondary markets
China accounts for the largest share of patent records, followed by Japan and the United States. Europe (EPO) and WIPO (PCT) filings are present but at lower volumes, suggesting that international protection strategies outside Asia are selectively applied. For market entry, China is both the highest-activity jurisdiction and the one where state-backed incumbents hold the strongest positions. The US and EPO remain more open competitive arenas, particularly for AI-driven and EV-integration VPP approaches.
China-led geographyGo 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 |
|---|---|---|
| Toshiba Corporation | Toshiba Energy Systems & Solutions Corporation | 26 |
| State Grid Corporation of China | China Electric Power Research Institute Co., Ltd. | 24 |
| State Grid Shanghai Municipal Electric Power Co. | Shanghai Jiao Tong University | 23 |
| Hitachi, Ltd. | IKS Co., Ltd. Co., Ltd. | 22 |
| State Grid Shanghai Municipal Electric Power Co. | Southeast University | 12 |
| State Grid Corporation of China | State Grid Jibei Electric Power Company | 11 |
| State Grid Corporation of China | North China Electric Power University | 11 |
| State Grid Shanghai Municipal Electric Power Co. | Shanghai University of Electric Power | 10 |
| State Grid Corporation of China | State Grid Beijing Electric Power Co. | 10 |
| State Grid Corporation of China | State Grid Jibei Electric Power Company Research Institute | 10 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Kyocera anchors grid-systems coverage; Toyota accelerates into vehicle-grid integration
The leader and primary challenger occupy distinct technology lanes despite both being anchored in H02J grid-systems claims, which limits direct collision and creates parallel competitive tracks.
Kyocera Corp
Kyocera holds 467 patent families, concentrating in H02J power-supply and grid-systems subclasses (H02J3, H02J13, H02J7). Its trajectory shows a recent decline of 39% versus the prior three-year period, indicating a possible portfolio maturation or strategic reorientation. Despite this moderation, its absolute lead over all challengers remains substantial. The focus on remote grid monitoring and distributed energy management (H02J13) suggests Kyocera is positioned around the aggregation and communication infrastructure layer of VPP architecture.
patent families: 467Toyota Motor Corporation
Toyota holds 216 patent families and is the fastest-growing major applicant, with recent filings up 137% versus the prior three-year period. Its technology emphasis spans H02J grid systems, H02J7 battery charging, and B60L53 EV charging infrastructure — a distinct vehicle-to-grid (V2G) lane that sets it apart from utility-centric incumbents. This trajectory signals that Toyota is actively repositioning its electrification IP portfolio to encompass grid-service participation, making it the primary entrant to watch in the EV-VPP convergence space.
patent families: 216| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Kyocera Corporation | 98 | ▼ -39% |
| Toyota Motor Corporation | 147 | ▲ +137% |
| State Grid Shanghai Municipal Electric Power Co. | 59 | ▲ +195% |
| State Grid Corporation of China | 71 | ▲ 3.7× vs prior 3-yr |
| Panasonic Intellectual Property Management Co., Ltd. | 8 | ▼ -87% |
| North China Electric Power University | 64 | ▲ 4.9× vs prior 3-yr |
| Hitachi, Ltd. | 9 | ▼ -61% |
| Shenzhen Power Supply Bureau | 32 | ▲ +129% |
Under-served adjacent branches worth watching in VPP patent strategy
The branches below represent IPC classes with lower relative share in the current corpus. They are observations of relative sparsity; the technical rationale and realistic entry paths noted below are evidence-backed inferences, not guaranteed opportunities.
G06N · AI Models for VPP Dispatch Optimization
G06N (computing based on AI models) accounts for a relatively small share of the corpus despite AI-driven demand forecasting and dispatch optimization being a recognized technical need in VPP operations. The branch is sparsely covered relative to the dominant H02J and G06Q classes. Applicants with strengths in reinforcement learning or probabilistic forecasting could find defensible claim space here, particularly for real-time multi-asset aggregation and bidding algorithms. The entry path is technically demanding but does not require grid-operator relationships that utility incumbents enjoy.
Search this in Eureka →B60L · Electric Vehicle Grid Integration (V2G)
B60L (electric vehicle propulsion) is present in the corpus but at a relatively low share, with Toyota the primary current mover in this lane. As EV fleet sizes scale, vehicle-to-grid services represent a growing aggregation layer for VPPs, yet the patent landscape in this intersection remains sparse compared to stationary-storage and demand-response claims. Entrants with EV charging hardware IP or fleet-management software capabilities could build differentiated positions bridging B60L and H02J without directly challenging Kyocera’s core grid-management portfolio.
Search this in Eureka →How leading applicants differ across technology routes
Strength of each leader across the main technology routes.
| Player | H02J 3 · Power supply & grid systems | G06Q 50 · Business, commerce & admin data processing | G06Q 10 · Business, commerce & admin data processing | H02J 13 · Power supply & grid systems | H02J 7 · Power supply & grid systems |
|---|---|---|---|---|---|
| Kyocera Corporation | Strong · 458 | Moderate · 101 | Absent | Strong · 382 | Moderate · 116 |
| Toyota Motor Corporation | Strong · 147 | Moderate · 37 | Absent | Moderate · 68 | Strong · 142 |
| State Grid Shanghai Municipal Electric Power Co. | Strong · 133 | Strong · 85 | Moderate · 66 | Absent | Absent |
| State Grid Corporation of China | Strong · 127 | Strong · 76 | Strong · 64 | Absent | Absent |
| North China Electric Power University | Strong · 96 | Strong · 71 | Strong · 60 | Absent | Absent |
| Panasonic Intellectual Property Management Co., Ltd. | Strong · 90 | Absent | Absent | Strong · 60 | Strong · 57 |
| Shenzhen Power Supply Bureau | Strong · 67 | Strong · 43 | Strong · 41 | Absent | Absent |
Frequently asked questions
The corpus covers 4,354 patent families in scope globally. Annual filings have grown 104% over the recent measurement window, and the lifecycle evidence classifies the field as active Growth.
Kyocera Corp leads with 467 patent families, focused on H02J power-supply and grid-systems subclasses including remote grid monitoring (H02J13). Toyota Motor Corporation is the fastest-growing major filer at 216 patent families, up 137% in recent filings.
China has the highest filing volume, followed by Japan and the United States. Europe (EPO) and WIPO (PCT) are active but at lower volumes, suggesting selective international protection strategies by most applicants.
H02J (Power supply and grid systems) is the dominant class by a wide margin. G06Q (Business, commerce, and administrative data processing) ranks second, reflecting the commercial settlement and demand-response management layer. G06N (AI models) and B60L (EV propulsion) are smaller but growing adjacent branches.
The most active co-filing pairs are Toshiba Corp with Toshiba Energy Systems and Solutions Corp (26 joint families), State Grid Corporation of China with China Electric Power Research Institute (24 joint families), and State Grid Shanghai Municipal Electric Power Co with Shanghai Jiao Tong University (23 joint families).
G06N (AI models for dispatch optimization) and B60L (electric vehicle grid integration, V2G) have lower relative share in the current corpus compared to the dominant H02J and G06Q classes. These branches represent potentially defensible entry points for applicants with relevant AI or EV charging expertise, though they are observations of relative sparsity rather than guaranteed white spaces.
Ready to map your own virtual power plant patent landscape?
Join 18,000+ innovators using PatSnap Eureka to map any technology landscape: search 2B+ patents and papers, surface key assignees, and generate a report like this in minutes.
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.