Data Analytics Process

Data Analytics & Application in the Energy Sector

Liam Relihan News & Updates

Attended a lecture this evening at Engineers Ireland by Jennifer Jennings, a data scientist at ESB (Irelands main Electric utility). She dropped some good understandings on us regarding ESB’s use of data analytics/data science/machine learning to solve problems of interest to energy utilities. Particularly of interest, was their approach to detection of partial discharges for power line fault detection. In …

Random Data image

Benfords Law and Energy Data: A Mathematical Aside

Liam Relihan News & Updates

Here is what Wikipedia has to say about Benfords Law: Benford’s law, also called the First-Digit Law, refers to the frequency distribution of digits in many (but not all) real-life sources of data. In this distribution, 1 occurs as the leading digit about 30% of the time, while larger digits occur in that position less frequently: 9 as the first …

Understanding your utility bill electricity-Ireland only

Understanding Your Utility Bill: Electricity (Ireland only)

Liam Relihan News & Updates

Before you can start seriously addressing your business energy costs, you need to understand how to read your energy bills. Now, the Irish energy utilities issue bills that are often (ahem!) less than tractable. This is a simple tutorial to help you read and understand them. The first step, when comparing any bill, is to check the billing period as …

LoRa

Messing About with LoRa

Liam Relihan News & Updates

In this post is to show how easy it is to do some very basic range testing with two LoRa devices, one operating as a transmitter and the other as a receiver.

Gas Skid

Understanding Your Utility Bill: Natural Gas (Ireland only)

Liam Relihan News & Updates

Following on from my post on understanding your electricity bill, here we aim to improve your understanding of your Irish Natural Gas bills. The first step when comparing any bill is to check the billing period, as the number of billing days in each month vary having an effect on your bottom line, often you will find with gas bills …

Header Sparkle banner

Pretty Sparkline Charts with jQuery Sparklines

Liam Relihan News & Updates

Sparklines are the brainchild of Edward Tufte. They are those “intense, simple, wordlike graphics” that you sometimes find embedded in stock listings and such like. To help our installation team we have created a little application that runs on installer’s smart phones. This application is written in PHP and is designed to show live energy streamed from our Canary embedded …

Leaking bucket of water

Leaky Bucket Algorithm

Liam Relihan News & Updates

Occasionally, we aim to publish something that has to do with how we implement our hardware and software solutions. Here is one of these “somethings”…. On one of our embedded devices there is the facility to automatically dispatch text messages in response to particular events. However, to protect against the possibility of the device sending out a storm of text …

Department of Finance sign outside building

Why Ireland Needs to Get With Engagement…

Liam Relihan News & Updates

It’s due to become one of the major political hot potatoes over the next couple of years, but many people don’t yet realise that Ireland has signed up to massive carbon reductions by 2020. In the 2007 Government White Paper, Delivering a Sustainable Energy Future for Ireland, a target has been set for a 20% improvement in energy efficiency across …

Dragonfly BMS & SCADA

Dragonfly and the Implications for Irish Businesses

Liam Relihan News & Updates

Yesterday, Liam Relihan, the CTO of ResourceKraft, a Limerick-based supplier of energy management systems warned that Irish businesses and government institutions were vulnerable to an ever larger collection of cyber attackers. He stated that “the Building Management Systems (BMS) and SCADA systems that have been deployed by Irish businesses and government bodies present an increasing attack vector for would-be hackers. …