# eWatt Smart Power Systems > An energy monitoring service for your entire property portfolio. One eWatt Reader on the property's electricity meter is all it takes. With self-service, the findings, their likely causes and what they cost are in the app. If you want, your own expert goes through them with you. eWatt Smart Power Systems Oy, Kympinkatu 3 C, 40320 Jyväskylä, Finland. Every page exists in English (https://www.ewatt.fi/), Finnish (https://www.ewatt.fi/fi/) and Swedish (https://www.ewatt.fi/sv/), with the same content. This file in other languages: [Finnish](https://www.ewatt.fi/fi/llms.txt), [Swedish](https://www.ewatt.fi/sv/llms.txt). ## Key facts - How it works: The eWatt Reader plugs into the HAN port of the electricity meter and reads it every 10 seconds, where meter data usually comes every 15 minutes. Nothing is installed in the electrical system. The service analyses the data and reports what it finds: what happened, the likely cause, what to do and what it costs in euros. - Who it is for: The service is intended for companies and organisations – we do not offer it to consumers. - Where it is available: eWatt is available in Finland, Sweden, Denmark, the Netherlands and Belgium. - Plans: - Smart, €29 / month / property: Self-service: findings, their likely causes and what they cost, straight in the app. - Smart + Expert, €49 / month / property: Everything in Smart, plus your own expert who goes through the findings and the action plan with you. - Monthly fee: Charged every month for each property: €29 on Smart, €49 on Smart + Expert. The monthly fee has no volume discount. - Device fee per property: A one-time fee for each property. It covers the eWatt Reader and its delivery. The device stays eWatt's: it is returned when the contract ends, and its warranty lasts for as long as you use it. The fee is lower the more properties the order has, and the step the order reaches applies to every property in it: 1–10: €249 · 11–20: €239 · 21–50: €229 · 51+: €209. - Service opening fee, once per customer: €590 - What an order includes: An order includes an eWatt Reader for each property, the meter check, delivery, and getting the service running. It costs a one-time device fee of €249 per property, less from 11 properties, and a service opening fee of €590, charged only once per customer. Prices exclude VAT. The first month is free. The one-time fees are invoiced at the end of it, together with the monthly fees. - Launch offer, until 2026-10-13: Launch offer: service opening fee €0 (normally €590) on orders by 13 October. eWatt from €29 / month per property. - Billing: The first month is free. At the end of it comes one invoice: the device fees, the opening fee and the monthly fees for the next 12 months. If you return the eWatt Readers within the first month, there is no invoice. - Contract: The first month is free, and the contract then runs for 12 months. It renews automatically 12 months at a time. To end it, tell eWatt in writing at least 30 days before the current 12 months are up. The eWatt Reader remains eWatt's property and is returned within 30 days of the contract ending. It is under warranty for as long as you use it. The first month is free for each eWatt Reader, and each device's month starts on the day it goes live: when its eWatt Reader is plugged in and its data shows in the app. - Prices and VAT: The price is per property you monitor. Each property gets one eWatt Reader on its electricity meter, and all prices are excluding VAT. Special case or questions? Contact sales. - How it starts: 1. Order: Online, on the order page: one eWatt Reader for each property. 2. We check the meters: eWatt checks that each electricity meter is suitable and asks the network company to open its HAN port. 3. Delivery: The Readers are posted to you, ready to plug in. 4. Plug it in: About five minutes per property. No electrician and no site visit. 5. Data and findings: A reading every 10 seconds from the first day. Findings the next day: the likely cause, what to do, and what it costs. - Contact: info@ewatt.fi, +358 50 387 3277, or the contact form at https://www.ewatt.fi/contact#contact-form. ## Price, ordering and answers - [Home](https://www.ewatt.fi/en): An energy monitoring service for your entire property portfolio. See where energy is being used, what anomalies are happening, and where it is worth taking… - [Pricing](https://www.ewatt.fi/pricing): eWatt costs €29 a month per property, plus a €249 device fee and a €590 opening fee once, excl. VAT. See what's included. - [FAQ](https://www.ewatt.fi/faq): Answers about eWatt: price and billing, the eWatt Reader and your meter's HAN port, installation, data and findings, security and support. - [Order](https://www.ewatt.fi/order): Order eWatt for your properties: one eWatt Reader per property, Smart or Smart + Expert. First month free. Lower device fees from 11 properties. ## Insights - [Energy Monitoring for Commercial and Industrial Buildings: A Complete Guide](https://www.ewatt.fi/insights/energy-monitoring-for-commercial-and-industrial-buildings): A complete guide to energy monitoring for commercial and industrial buildings: continuous visibility, energy analytics, anomaly detection, measurement… - [How to Reduce Energy Costs in Commercial Buildings Without Major Investments](https://www.ewatt.fi/insights/reduce-energy-costs-commercial-buildings): Learn how commercial buildings can reduce energy costs by identifying hidden energy waste, optimising HVAC systems and using high-resolution electricity data… - [Energy Monitoring vs Energy Management: What's the Difference?](https://www.ewatt.fi/insights/energy-monitoring-vs-energy-management): Energy monitoring collects electricity data. Energy management turns that data into actions that reduce costs and improve building performance. - [How Much Energy Is Wasted in Commercial Properties?](https://www.ewatt.fi/insights/how-much-energy-wasted-commercial-properties): A significant portion of electricity consumption in commercial buildings may not contribute to productive operations, and the waste is often invisible. - [Peak Demand Charges Explained: The Hidden Cost on Your Electricity Bill](https://www.ewatt.fi/insights/peak-demand-charges-explained): Peak demand charges are fees based on the highest level of electricity demand recorded during a billing period. - [How to Identify Hidden Energy Waste in Commercial Buildings](https://www.ewatt.fi/insights/how-to-identify-hidden-energy-waste): Many commercial buildings invest in energy efficiency, yet costs remain high. Learn how high-resolution electricity monitoring reveals hidden energy waste. - [How to Choose the Right Energy Analytics Solution for Commercial and Industrial Buildings](https://www.ewatt.fi/insights/how-to-choose-the-right-energy-analytics-solution-for-commercial-and-industrial-buildings): Learn how to choose the right energy analytics solution for commercial buildings and industrial facilities. - [How Real-Time Energy Monitoring Supports EPBD Compliance](https://www.ewatt.fi/insights/real-time-energy-monitoring-epbd-compliance): The revised EPBD is shifting the focus from design specifications to operational performance. - [All insights](https://www.ewatt.fi/insights): Articles, guides, and answers about commercial energy monitoring, electricity analytics, and how to reduce costs with high-resolution data. - [Webinars](https://www.ewatt.fi/webinars): Live and on-demand webinars from the eWatt team on real-time energy monitoring, electricity analytics, and reducing costs in commercial and public properties. ## Customer Stories - [From trial to purchase: eWatt solution for more accurate electricity consumption monitoring and optimization](https://www.ewatt.fi/customer-stories/vantaa-varia-pilot): eWatt utilized the Try in Vantaa service offered by Business Vantaa. eWatt's electricity data collection service was tested at Vantaa Vocational College… - [High-quality electricity data opened new possibilities for Savonia's research and development work](https://www.ewatt.fi/customer-stories/savonia-research-data): Savonia University of Applied Sciences needed as accurate electricity data as possible for the Ällilä research and development project. - [Electricity data exposed a grid operator's fault](https://www.ewatt.fi/customer-stories/grid-fault-evidence): When equipment in a manufacturing plant kept breaking down without explanation, the answer wasn't in the customer's own production. - [What just two weeks of electricity data revealed about a sports center](https://www.ewatt.fi/customer-stories/electricity-data-insights): Latest findings from electricity data: a 22% phase imbalance, base load that doesn't drop at night, and predictable peaks that can be lowered by 30 kW. - [All customer stories](https://www.ewatt.fi/customer-stories): Explore our customers' experiences and results using the eWatt solution. ## Company - [About us](https://www.ewatt.fi/about-us): eWatt was founded in Jyväskylä in 2022 to make property electricity data accurate, understandable and actionable. Meet the team and the technology. - [Contact](https://www.ewatt.fi/contact): Contact eWatt about real-time electricity monitoring for your property or facility. Call, email or send the form. ## Optional - [Full text](https://www.ewatt.fi/llms-full.txt): Every FAQ answer and every insights article as plain text. - [Terms of Service](https://www.ewatt.fi/terms-of-service): General terms of the Smart Power service: the service and devices, ownership of measurement data, personal data, security, fees, term and liability. - [Data Processing Agreement](https://www.ewatt.fi/data-processing-agreement): The terms on which eWatt processes personal data on the customer’s behalf in the Smart Power service: security, subprocessors, breaches and deletion. - [Privacy Policy](https://www.ewatt.fi/privacy-policy): How eWatt Smart Power Systems Oy processes personal data as controller, and which cookies the website and the service use.