Voltaware
Voltaware is a UK-based energy intelligence company that uses AI-powered NILM sensors and software to deliver appliance-level electricity insights to residential consumers and utility partners across Europe.
- Company typePrivate
- Founded2014
- HeadquartersLondon, United Kingdom
- Headcount11–50
- GTM typeB2B and B2C
- OfferingSoftware
What Voltaware does
Voltaware is a UK-based energy intelligence company founded in 2014 that builds AI-powered Non-Intrusive Load Monitoring (NILM) hardware and software. Its core product is a compact clamp-on sensor (single-phase and three-phase variants, sampling at 10,000+ times per second with patented magnetic connectors) that installs in a home fuse box without rewiring, then transmits whole-home electrical signals to the cloud where proprietary machine learning algorithms disaggregate consumption into appliance-level insights — eliminating the need for smart plugs or per-appliance tagging. A companion iOS/Android app delivers real-time usage, cost breakdowns, smart alerts, peer benchmarking via VoltaScore, and tailored savings recommendations. The system is IEC 63297:2025 certified, the first international NILM standard, and ships with a £149 retail price via Amazon UK.
The company operates a dual business model targeting two distinct customer segments. On the consumer side, it sells hardware plus an annual subscription (£24/year after the initial term) directly to UK homeowners and renters via Amazon UK, with optional installation through a certified electrician network. On the B2B side, the IRIS Customer Engagement-as-a-Service platform — comprising white-label apps, REST APIs, dashboards, and Smart Bills modules — sells multi-year SaaS contracts to utilities and energy providers across Europe (UK, Italy, Greece, France, Spain, Austria). Reported utility outcomes include 10x digital engagement uplift (17 monthly sessions vs. <2 baseline), 30%+ call-centre cost reduction, 4x churn rate decrease (ONDA), and +2 years customer retention.
Voltaware is structured as Voltaware Services Ltd, a private limited company registered in England and Wales under parent holding company Torro Ventures Limited. The company employs approximately 30 people across product, data science, engineering, and business development, with offices in London, Swanage (registered office), Milan (European regional HQ), and Somerville, MA (via Greentown Labs membership since December 2025). Named utility partners include Octopus Energy, Utilita, Enel X, Burgenland Energie, ONDA, Krone Sonne, Energit, and ONDA Piu, alongside a technology partnership with SAP. The company has raised $3.27M in disclosed funding (Series A, July 2018, led by BP Ventures) and has accumulated data from 350,000+ households since inception.
Voltaware firmographics
Firmographics- Name
- Voltaware
- Legal name
- Voltaware Services Ltd
- Website
- https://voltaware.com
- Company type
- Private
- Founded year
- 2014
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Voltaware is a UK-based energy intelligence company that uses AI-powered NILM sensors and software to deliver appliance-level electricity insights to residential consumers and utility partners across Europe.
- Ownership category
- akta.pro rank
Voltaware industry classification
Industry- Product category
- Energy Intelligence / Non-Intrusive Load Monitoring (NILM)
- NAICS
- Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Other Measuring and Controlling Device Manufacturing (334519), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345)
- SIC
- Industrial Instruments For Measurement, Display, And Control (3823), Instruments For Meas & Testing Of Electricity & Elec Signals (3825)
- akta.pro primary industry
- Customer Energy Engagement (In-Home Displays, Portals, Usage Insights) (EUADAFAH)
- akta.pro secondary industries
- Home Energy & EV Charging (HEMS, Smart Meters, Batteries, Chargers) (HSAPAQAF), Utility & Grid Services Integration for EV Flexibility (DR/DERMS/SCADA Interfaces) (EUAFAMAF), Customer, Meter & AMI Analytics (Usage, Alarms, Theft) (EUAJALAI)
Keywords
Where Voltaware is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Offices5 records
Markets served
Voltaware business model
Business model- GTM type
- B2B and B2C
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Operations, Infrastructure, Supply Chain
Revenue model
- Hardware Sales (Consumer): Sale of Voltaware home energy monitor sensors directly to consumers via Amazon UK marketplace at £149 per unit, including single-phase and three-phase variants with Wi-Fi connectivity.
- Subscription Services (Consumer): Subscription-based access to Voltaware app and analytics services. Standard subscription pricing available on request. Octopus Energy pilot customers received 24-month unlimited access at £149, thereafter £24/year.
- Utility Engagement-as-a-Service: B2B SaaS offering to utilities including data aggregation, AI analytics, and customer engagement tools. Revenue from API/dashboard subscriptions, white-label app licensing, and per-user or per-household engagement fees. Utilities achieve 30%+ call-centre cost reduction.
- API & Integration Services: REST API access for embedding appliance-level insights into utility apps, portals, and billing systems. Structured data outputs include appliance events, usage breakdowns, and behavioral indicators.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Pay-as-you-go | Voltaware Home Energy Monitor sensor sold via Amazon UK |
| Subscription | Annual | Standard Subscription to Voltaware Services |
| Subscription | Multi-year contract | Utility Engagement-as-a-Service (B2B) |
Go-to-market motion4 records
Distribution channels5 records
Marketing channels8 records
Voltaware product offering
Product offeringCore offering
Voltaware develops and operates an AI-powered Non-Intrusive Load Monitoring (NILM) platform that disaggregates whole-home electricity signals into appliance-level consumption, sold as a £149 consumer sensor with companion mobile app and as a B2B Engagement-as-a-Service SaaS, REST APIs, white-label apps, and dashboards for utilities. Deliverables include high-resolution sensor hardware (single-phase and three-phase), machine-learning-based energy disaggregation, behavioral analytics, customer engagement tools, and integration with smart meter or sensor data feeds.
Product overview
Voltaware is a home energy intelligence platform comprising hardware sensors, mobile applications, and B2B analytics tools. The consumer offering centers on a £149 clamp-on energy monitor with companion iOS/Android app that uses AI/NILM to break down whole-home electricity consumption by individual appliance. For utilities and energy providers, Voltaware offers an Engagement-as-a-Service platform including AI Disaggregation (Energy Intelligence), white-label apps, REST APIs, and dashboards. The platform covers 350,000 households across Europe since 2014, serving utilities like Octopus Energy, Utilita, and Enel X.
Differentiator
Problem solved
Functional benefit
Brands
- IRIS: Customer Engagement as a Service platform for utilities, providing AI energy insights, dashboards, and API services to help utilities engage customers, reduce churn, and unlock new revenue.
Products and services
- Voltaware Home Energy Monitor An AI-powered clamp-on sensor for UK & Irish households that monitors whole-home electricity in real time and uses NILM technology to break down consumption by individual appliance (fridges, kettles, washing machines, always-on standby loads). Sold direct-to-consumer at £149, requires Wi-Fi and a certified electrician for a 5-minute install inside the fuse box with no rewiring.
- Voltaware Mobile App (iOS & Android) iOS and Android mobile application that turns Voltaware sensor data into live energy usage, daily/weekly/monthly reports, cost and carbon-footprint breakdowns, savings tips, VoltaScore peer benchmarking, smart alerts for unusual consumption, and standalone features like Standby Insights and Home Audit.
- Voltaware Sensors (Single-phase & Three-phase) Compact DIN-rail mountable NILM sensors for residential and utility deployments, available in single-phase and three-phase variants, sampling at 10,000+ times per second with patented magnetic connectors, Wi-Fi or optional GSM connectivity, and fleet-wide OTA firmware, classifier, and security updates.
- Customer Engagement as a Service for Utilities (IRIS) B2B SaaS platform for utilities and energy providers combining data aggregation, AI analytics, dashboards, white-label apps, and APIs to improve customer engagement (10x), reduce call-centre cost (30%+), cut churn, and unlock new revenue from EV and heat-pump targeting; includes the IRIS sub-brand.
- Energy Intelligence (AI Disaggregation Engine) Core AI/NILM engine that translates smart-meter interval data or Voltaware sensor signals into appliance-level consumption, bill breakdowns, anomaly detection, and behavioral indicators for EV/heat-pump journey targeting and segmentation; the analytics layer underneath both the consumer app and the utility platform.
- Voltaware APIs as a Service REST API as a service enabling developers and utilities to embed appliance-level insights, appliance events, usage breakdowns, and behavioral indicators into existing apps, portals, billing systems, and service journeys, with support for high-bill support, personalised tips, EV/heat-pump journeys, segmentation, and targeting.
- Voltaware Dashboards Built-in analytics dashboards for utility partners to monitor customer behavior, ROI, CO2 savings, appliance usage trends, and engagement metrics, with key KPIs and charts embeddable into partner portals.
- White-Label Mobile and Web Apps White-label web and mobile applications powered by Voltaware's analytics backend, enabling utility partners to launch branded appliance-breakdown and energy-insight experiences under their own brand without building analytics themselves.
- Smart Bills Detailed appliance-level electricity bill breakdowns delivered through utility customer apps (e.g., Octopus Energy Smart Bills, MyUtilita, ONDA EFFI100), showing consumption by appliance category to support engagement and bill-comprehension use cases.
Quantifiable outcome
- 28% monthly electricity bill reduction (£38/month)
- +8 more outcomes
Companies that use Voltaware
Customer profileNamed customers8 records
Segments3 records
Ideal customer profiles2 records
Voltaware technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
AI capability5 records
Feature7 records
Voltaware partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core, regional and minor.
- Octopus EnergycoreMajor UK energy supplier utilizing Voltaware Smart Bills to deliver appliance-level insights to customers. Flagship utility partner featured prominently in customer testimonials and case studies.
- UtilitacoreUK energy provider using Voltaware Smart Bills as part of MyUtilita app, offering free detailed consumption breakdowns to help fight energy poverty.
- Burgenland EnergieregionalAustrian regional utility targeting non-Burgenland customers and bundling Voltaware Insights with home energy management system offerings to generate new revenues and increase market share.
- ONDAregionalItalian utility serving Sicily & Sardinia, differentiating with Voltaware Energy Insights as part of ONDA's EFFI100 mobile app. 40,000 real-time energy insights and monthly smart bill users achieved; churn rate decreased 4x.
- Greentown LabscoreMajor climatetech incubator membership in Boston (Somerville, MA) and Houston, TX supporting US market expansion, startup collaboration, and acceleration of appliance-level energy intelligence for US utilities.
- Enel XminorEuropean energy innovation partner leveraging Voltaware technology for customer engagement solutions.
- Krone SonneminorAustrian energy provider partner in utility ecosystem page.
- EnergitminorItalian energy provider partner in utility ecosystem page.
- ONDA PiuminorItalian energy provider partner in utility ecosystem page alongside ONDA.
Scale indicators15 records
Recent moves7 records
Expansion highlights6 records
Voltaware competitors and assessment
Company assessmentDirect peers
- Sense: US-based NILM home energy monitor with a clamp-on sensor and AI-driven appliance disaggregation app. Direct competitor to Voltaware's consumer offering, serving a comparable homeowner persona in North America.
- Smappee: Belgian smart energy monitor combining a current-clamp sensor with NILM-style appliance detection and solar/EV analytics. Closest European peer to Voltaware with overlapping consumer hardware, NILM software, and utility/prosumer use cases.
- Neurio (Generac): Neurio pioneered whole-home energy monitoring via sensor + cloud disaggregation and was acquired by Generac. Comparable to Voltaware's sensor-plus-NILM model for residential energy visibility, now scaled via Generac's installer channel.
- Bidgely: Utility-focused AI energy disaggregation and customer analytics platform competing with Voltaware's Engagement-as-a-Service offering. Comparable B2B SaaS model targeting electric/gas utilities with appliance-level insights, segmentation, and personalization.
- Uplight: Energy customer experience platform for utilities covering billing, engagement, and DER programs. Overlaps with Voltaware's utility engagement, personalization, and EV/heat-pump targeting functionality at the B2B SaaS layer.
Emerging players
- Enode: API platform connecting energy devices (EVs, chargers, batteries, thermostats, solar) to apps and utilities. Comparable to Voltaware's APIs-as-a-Service and EV flexibility positioning, though focused on device connectivity rather than NILM disaggregation.
- Oort Energy (formerly Smilio): European home energy intelligence provider combining smart sensors, NILM, and a consumer app. Closely comparable to Voltaware's residential offering in market segment and use cases.
Regional players
- Tibber: European digital energy retailer combining dynamic tariffs, smart-home integrations, and an energy monitoring app. Adjacent to Voltaware via shared consumer energy-engagement proposition, but operates as a retailer rather than NILM hardware/SaaS provider.
Others
- ecoMeta / energy & meteo systems: Energy data analytics provider for utilities, including load forecasting, disaggregation, and renewable integration. Adjacent to Voltaware's utility analytics layer, enabling comparison on data and modeling capabilities for European utilities.
Broad incumbents
- Google Home Energy / Alexa Energy Dashboard: Big-tech smart-home energy dashboards pulling utility interval data into mainstream consumer apps. Comparable to Voltaware's consumer engagement proposition but as a free, broad-incumbent alternative that pressures NILM hardware value-for-money.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks5 records
Key highlights7 records
Customer concentration
Voltaware social profiles
Digital presenceVoltaware compliance and trust
Trust signalCompliance6 records
Voltaware financial estimates
Financial estimateRevenue estimate
Valuation estimate
Voltaware leadership team
Management profileNumber of profiles
Profiles7 records
Voltaware funding detail
Funding detailFunding overview
Funding rounds1 record
Investors3 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Voltaware M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Voltaware
What does Voltaware do?
Voltaware develops and operates an AI-powered Non-Intrusive Load Monitoring (NILM) platform that disaggregates whole-home electricity signals into appliance-level consumption, sold as a £149 consumer sensor with companion mobile app and as a B2B Engagement-as-a-Service SaaS, REST APIs, white-label apps, and dashboards for utilities. Deliverables include high-resolution sensor hardware (single-phase and three-phase), machine-learning-based energy disaggregation, behavioral analytics, customer engagement tools, and integration with smart meter or sensor data feeds.
Is Voltaware a public or private company?
Voltaware is a private company. It is classified as venture growth investor backed and is currently operating.
When was Voltaware founded?
Voltaware was founded in 2014. It employs 11 to 50 people.
Where is Voltaware based?
Voltaware is headquartered in London, United Kingdom, in the Europe region.
How does Voltaware make money?
Four revenue lines are on record. Hardware Sales (Consumer) is the primary driver. The others are subscription Services (Consumer), utility Engagement-as-a-Service and API & Integration Services.
Who are Voltaware's main competitors?
Direct peers on record are Sense, Smappee, Neurio (Generac), Bidgely and Uplight. Emerging players are Enode and Oort Energy (formerly Smilio). Tibber is listed as a regional player. ecoMeta / energy & meteo systems is listed as an others. Google Home Energy / Alexa Energy Dashboard is listed as a broad incumbent.
Does Voltaware have an API?
Yes. Voltaware offers REST APIs as a service enabling developers to integrate appliance-level energy insights, usage events, and behavioral indicators into apps, portals, billing and service journeys. Supports smart-meter feeds and Voltaware sensors through a single analytics layer. Designed for high-bill support, personalised tips, EV/heat-pump journeys, segmentation and targeting. Optional event delivery available. Developer documentation is at developers.voltaware.com.
What industry is Voltaware in?
Voltaware's product category is Energy Intelligence / Non-Intrusive Load Monitoring (NILM). Its primary akta.pro industry code is EUADAFAH, Customer Energy Engagement (In-Home Displays, Portals, Usage Insights), with a secondary code of HSAPAQAF, Home Energy & EV Charging (HEMS, Smart Meters, Batteries, Chargers). Its NAICS code is 334515 and its SIC code is 3823.