What Reactive Technologies does

Reactive Technologies Limited, incorporated in England in 2010 and headquartered in London, provides real-time grid measurement tools that enable transmission and distribution system operators to integrate higher shares of renewable energy without compromising stability. The company's flagship product, GridMetrix®, is a cloud-based digital signal processing platform that analyzes data from a proprietary distributed network of Grid Edge Measurement devices called XMUs (Extensible Measurement Units). These devices send controlled power pulses through the grid and measure frequency responses to calculate grid inertia and system strength in real time, achieving measurement accuracy exceeding 95%. The technology addresses a critical operational gap: as renewable generators replace fossil-fueled synchronous machines, grid operators lose the rotational inertia that stabilizes frequency, and traditional inertia estimates force operators to procure excess fossil-fuel backup at significant cost. GridMetrix replaces estimates with direct measurement, enabling operators to safely run with lower inertia headroom and integrate more renewables. A secondary product, Tradenergy®, monetizes the same data for energy traders through real-time event detection and ultra-low latency (sub-0.5 second) frequency streaming at 10Hz resolution, supporting algorithmic and intraday market strategies.

Reactive Technologies generates revenue through multi-year enterprise subscription contracts with national and regional grid operators, priced custom on grid size and service scope. The reference commercial contract is a 6-year agreement with the National Energy System Operator (NESO) for nationwide UK inertia measurement, projected to deliver £72 million in customer savings over its lifetime. Additional revenue streams include one-time project fees for proof-of-concept deployments (e.g., the TEPCO Nii-jima trial) and Tradenergy subscriptions for trading participants. The company sells exclusively through direct enterprise field sales, with regional commercial offices in London, New York, North Sydney, and Dubai, supported by an R&D center in Oulu, Finland. Founded by CEO Marc Borrett, the company has raised approximately £42 million+ cumulatively through venture and strategic funding rounds led by M&G Catalyst, BGF, and Breakthrough Energy Ventures, with strategic investment from Toshiba, Eaton, Accenture Ventures, and Equinor Energy Ventures. Customer logos include NESO, AEMO, NYISO, TEPCO, HEPCO, National Grid Saudi Arabia, SSE, Powerlink Queensland, Taiwan Power, and Saudi Electricity Company across more than seven countries.

Name

Reactive Technologies

Legal name

Reactive Technologies Limited

Website

https://reactive-technologies.com

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

51–100 employees

Short description

Reactive Technologies provides real-time grid inertia and system strength measurement tools via its GridMetrix® platform and proprietary XMU hardware, sold to national grid operators (e.g., NESO, TEPCO, AEMO, NYISO) to enable safe integration of renewable energy.

Ownership category

akta.pro rank

Product category

Grid Stability Measurement Software

NAICS

Other Measuring and Controlling Device Manufacturing (334519), Electric Bulk Power Transmission and Control (221121)

SIC

Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Advanced Grid Integration & Control R&D (AI Forecasting, Digital Twins, Synthetic Inertia, Virtual Power Plants) (EUAMAOAG)

akta.pro secondary industries

Reactive Power, Volt/VAR Optimization & Voltage Stability Studies (EUADAGAG), Distribution State Estimation & Power Flow Applications (EUADAEAN), Reactive Power & Voltage Support Services Trading (EUAGAKAE), Voltage & Reactive Power Support (VARs, voltage control) (EUAFALAE)

Keywords

• Grid inertia measurement
• Grid stability software
• Renewable grid analytics
• System strength monitoring
• Energy trading analytics

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices5 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Operations, Marketing or Sales, Supply Chain

Revenue model

1. GridMetrix® Inertia Measurement Services: Multi-year commercial service contracts for real-time grid inertia and system strength measurement. Contracts are typically multi-year (e.g., 6-year commercial service with NESO), providing recurring revenue. Pricing is based on service scope and grid size rather than per-transaction.
2. Tradenergy® Analytics Platform: Subscription-based access to real-time grid insights, frequency streaming, and event detection services for energy traders. Provides high-resolution frequency data with sub-0.5 second latency via streaming.
3. Project Development and Implementation: One-time project fees for proof-of-concept trials and initial deployments, such as the TEPCO Nii-jima trial and Saudi Arabia NGSA contract. May include hardware (ultracapacitor) deployment as part of service setup.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels9 records

Core offering

Reactive Technologies provides real-time grid measurement software and hardware solutions that enable transmission and distribution grid operators to directly measure grid inertia and system strength, replacing inaccurate estimates and models. Its GridMetrix® platform combines proprietary XMU IoT measurement devices with cloud-based digital signal processing, while the Tradenergy® platform delivers real-time grid event detection and frequency streaming data to energy traders for short-term market positioning.

Differentiator

Problem solved

Functional benefit

Brands

• GridMetrix: Flagship grid measurement technology platform providing accurate, real-time measurements of grid inertia, system strength, and other power grid parameters for grid operators.
• Tradenergy
• Grid-Sonar
• Grid Edge Measurement devices (XMU)

Products and services

• GridMetrix® Inertia Measurement Real-time direct measurement of grid inertia for transmission grid operators, providing accurate, continuous measurement of power grid stability rather than relying on estimates or models. The service uses a distributed network of XMU devices and cloud-based digital signal processing to deliver over 95% accuracy.
• GridMetrix® System Strength Measurement Real-time measurement of distribution grid system strength and short circuit strength, particularly relevant for distribution network operators experiencing proliferation of distributed energy resources (DERs) including solar, storage, and electric vehicles.
• Tradenergy® Real-Time Grid Insights Platform Real-time grid insights for energy traders, providing ultra-high speed event detection to identify outages affecting the intraday market and informing bidding strategies in the balancing mechanism and frequency response markets.
• Tradenergy Frequency Streaming Service Ultra-low latency push-based frequency data streaming service for power traders, delivering 10Hz resolution frequency data with sub-0.5 second latency via AMQP 1.0 protocol across selected regions in the UK, Europe, US, Japan, and Australia.
• Stability Asset Services

Quantifiable outcome

• ~18 million tonnes CO2 reduction annually for UK power system
• +4 more outcomes

Named customers9 records

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability5 records

Feature5 records

Partnerships

Nine partnerships are on record, tiered core and minor.

• Toshiba Energy Systems & Solutions CorporationcoreStrategic or Co-development PartnerStrategic investment and partnership to make GridMetrix® technology available to more utilities and grid operators in Japan. Toshiba brings power systems expertise and influential position in Japan's energy industry.
• Korea Grid Forming Co., Ltd (KGFM)coreStrategic or Co-development PartnerStrategic partnership announced November 2025 to accelerate deployment of GridMetrix® across South Korea. Supports South Korea's ₩73 trillion grid modernization investment and 2050 net-zero goals. KGFM brings grid-forming inverter technology combined with RTL's measurement capabilities.
• Al HaitamcoreStrategic or Co-development PartnerJoint venture partner with Reactive Technologies for Saudi Arabia grid stability contract with National Grid Saudi Arabia (NGSA). Multi-year contract to deploy GridMetrix® platform for advanced grid stability measurement services supporting Vision 2030.
• Ingeteam SpainminorImplementation/ SI/ Consulting PartnerSpanish technology group awarded EPC design and build contract for construction of 5MW ultracapacitor to enable NESO to accurately measure power system inertia. Global leader in control and power electronics.
• North American SynchroPhasor Initiative (NASPI)minorStrategic or Co-development PartnerReactive Technologies participates in NASPI activities and contributed to report on measurement adequacy for data center oscillations. NASPI highlights measurement challenges in power grid monitoring.
• Hokkaido Electric Power Company (HEPCO)coreTechnology or IntegrationPartner utilizing RTL's GridMetrix® platform for frequency visualization, oscillation monitoring, inertia measurement, and event analysis across Hokkaido networks. Supports Japan's carbon neutrality by 2050 goal.
• University of MelbourneminorStrategic or Co-development PartnerCo-authored whitepaper 'Inertia Measurement Challenges in Modern Power Grids' with Reactive Technologies, taking a whole-system view on renewables-rich grids.
• Brady TechnologiesminorStrategic or Co-development PartnerJoint paper partnership exploring profitable short-term power trading using Tradenergy real-time grid event signals. Demonstrates event-driven trading strategy profitability.
• Cleantech for UKminorGTM or Marketing PartnerCoalition supported by Breakthrough Energy to supercharge UK cleantech innovation. Reactive Technologies joined other leading cleantech companies at launch event with Bill Gates and UK PM.

Scale indicators8 records

Recent moves6 records

Expansion highlights7 records

Broad incumbents

• Eaton: Eaton is a global intelligent power management company providing electrical components, power monitoring, and grid solutions. Eaton is both an investor in Reactive Technologies and a broader portfolio competitor with grid monitoring, power quality, and stability offerings to utilities worldwide.
• Siemens Energy: Siemens Energy is a major incumbent in grid technologies, offering SCADA, ADMS, and grid automation solutions to transmission system operators globally. Reactive Technologies' former CRO led High Voltage Transmission Solutions at Siemens, and Siemens is a direct competitor to Reactive's grid stability measurement offering as part of its broader portfolio.
• GE Vernova: GE Vernova's Grid Solutions business provides ADMS, grid automation, and power systems software to transmission and distribution operators worldwide. As a major incumbent with deep TSO relationships, GE Vernova competes broadly with Reactive Technologies in grid monitoring and stability management offerings.
• Hitachi Energy: Hitachi Energy (formerly ABB Grid Solutions) offers comprehensive grid automation, SCADA/ADMS, and power system solutions. It serves the same TSO and DSO customer base as Reactive Technologies with broader portfolio offerings, making it a direct incumbent competitor in the grid measurement and stability space.

Emerging players

• Smart Wires: Smart Wires is a Grid Enhancing Technologies (GETs) company providing modular power flow control solutions to utilities and TSOs. While focused on series reactors rather than measurement, Smart Wires targets the same TSO customers seeking to maximize renewable integration on constrained grids, making it a thematic peer in grid flexibility for renewables.
• LineVision: LineVision provides non-contact sensor-based transmission line monitoring including dynamic line ratings and grid analytics for utilities and TSOs. Like Reactive Technologies, LineVision delivers distributed sensing and real-time grid insights to enable higher renewable integration, making it a direct emerging competitor in the grid measurement overlay category.
• AutoGrid: AutoGrid provides DER optimization and virtual power plant (VPP) software to utilities and energy market participants. While focused on the customer/asset side, AutoGrid overlaps with Reactive Technologies' Tradenergy platform in providing real-time grid insights and flexibility services to energy participants.
• Sentient Energy: Sentient Energy provides distribution grid analytics and intelligent sensors (MM3/ZM1) deployed across distribution networks for utilities and DSOs. Like Reactive Technologies' GridMetrix for distribution grid system strength, Sentient Energy offers distributed sensing and analytics for DER visibility at the distribution level.

Direct peers

• Schweitzer Engineering Laboratories (SEL): SEL is a leading provider of protective relays, synchrophasor/PMU devices, and grid measurement equipment used by TSOs worldwide. Its synchrophasor technology directly overlaps with Reactive Technologies' grid physics measurement capabilities, particularly for inertia, frequency, and system strength monitoring at the transmission level.

Others

• PhasorPoint / PowerWorld: PowerWorld offers power system simulation and visualization tools widely used by TSOs for grid planning and stability analysis. While not a direct competitor to Reactive's real-time measurement, PowerWorld is thematically adjacent as it underpins inertia estimation workflows that Reactive Technologies is replacing with direct measurement.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/reactivedsm
• LinkedInlinkedin.com/company/reactive-technologies-limited

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries2 records

Funding overview

Funding rounds9 records

Investors12 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Reactive Technologies