# \#energy **URL:** https://community.openenergymonitor.org/tag/energy/122.md [Latest](https://community.openenergymonitor.org/latest.md) · [Categories](https://community.openenergymonitor.org/categories.md) · [Tags](https://community.openenergymonitor.org/tags.md) --- ## [Do Smart Meters still measure accurately when using a pulse controlled dump load?](https://community.openenergymonitor.org/t/do-smart-meters-still-measure-accurately-when-using-a-pulse-controlled-dump-load/25360)
**Author:** [@dgoadby](https://community.openenergymonitor.org/u/dgoadby)\ **Replies:** 2\ **Last updated:** [31 January 2024 03:09 UTC](https://community.openenergymonitor.org/t/do-smart-meters-still-measure-accurately-when-using-a-pulse-controlled-dump-load/25360 "2024-01-31T03:09:40Z")
I have recently increased the number of PV panels and now I regularly have excess energy to dump. I have a 3kW immersion element spare in the tank so that is the load I am going to use. I want to use a pulse method cont… --- ## [What makes an MID approved Meter different?](https://community.openenergymonitor.org/t/what-makes-an-mid-approved-meter-different/25219)
**Author:** [@ElecnovaEurope](https://community.openenergymonitor.org/u/ElecnovaEurope)\ **Replies:** 0\ **Last updated:** [27 December 2023 20:47 UTC](https://community.openenergymonitor.org/t/what-makes-an-mid-approved-meter-different/25219 "2023-12-27T20:47:24Z")
Just a blog we made that maybe useful or interesting to some of you on here. An MID energy meter) is an essential tool in the energy market, ensuring accurate and reliable measurement of energy consumption. With legal c… --- ## [Energy Costs comparison from Nottingham Energy Partnership](https://community.openenergymonitor.org/t/energy-costs-comparison-from-nottingham-energy-partnership/22648)
**Author:** [@kelper](https://community.openenergymonitor.org/u/kelper)\ **Replies:** 4\ **Last updated:** [27 January 2023 14:24 UTC](https://community.openenergymonitor.org/t/energy-costs-comparison-from-nottingham-energy-partnership/22648 "2023-01-27T14:24:26Z")
The Nottingham Energy Partnership has a very interesting table of energy costs. Its estimates are based on a medium-sized domestic property with an annual consumption of 16.5MWh. The fourth column is p/kWh delivered an… --- ## [Real power calculation with fixed RMS voltage](https://community.openenergymonitor.org/t/real-power-calculation-with-fixed-rms-voltage/20138)
**Author:** [@daigs](https://community.openenergymonitor.org/u/daigs)\ **Replies:** 3\ **Last updated:** [1 April 2022 19:36 UTC](https://community.openenergymonitor.org/t/real-power-calculation-with-fixed-rms-voltage/20138 "2022-04-01T19:36:52Z")
Dear, I would understand the limitations of using a fixed and measured main Voltage value for calculating the Real Power (without use of Voltage transformer) whit the emon arduino library. I understand that the main vo… --- ## [3 phase 3 wire voltage meaurement](https://community.openenergymonitor.org/t/3-phase-3-wire-voltage-meaurement/10350)
**Author:** [@ajitnayak87](https://community.openenergymonitor.org/u/ajitnayak87)\ **Replies:** 2\ **Last updated:** [8 March 2019 14:57 UTC](https://community.openenergymonitor.org/t/3-phase-3-wire-voltage-meaurement/10350 "2019-03-08T14:57:24Z")
Dear all, I am trying to build 3 phase voltmeter that could measure L-L and L-N voltage during 3 phase 3 wire and 3 phase 4 wire connection. 3 phase 3 wire and 3 phase 4 wire connection are external connection. as we k… --- ## [Arduino energy monitor (ethernet, RS485, LCD display, RTC, electricity meter)](https://community.openenergymonitor.org/t/arduino-energy-monitor-ethernet-rs485-lcd-display-rtc-electricity-meter/3307)
**Author:** [@EriksPriedite](https://community.openenergymonitor.org/u/EriksPriedite)\ **Replies:** 11\ **Last updated:** [15 November 2018 10:34 UTC](https://community.openenergymonitor.org/t/arduino-energy-monitor-ethernet-rs485-lcd-display-rtc-electricity-meter/3307 "2018-11-15T10:34:40Z")
Hi! Glad to be here! My goal is to build smart energy monitor, that can read real time data from energy meter via RS485 and send them thru ethernet to virtual cloud (emoncms.org), to store and show everything in graph. … --- ## [Estimate energy usage from two-phase power measurements](https://community.openenergymonitor.org/t/estimate-energy-usage-from-two-phase-power-measurements/4854)
**Author:** [@wittmannf](https://community.openenergymonitor.org/u/wittmannf)\ **Replies:** 5\ **Last updated:** [19 August 2017 15:03 UTC](https://community.openenergymonitor.org/t/estimate-energy-usage-from-two-phase-power-measurements/4854 "2017-08-19T15:03:12Z")
Hello, I am currently using a EmonPi to monitor the current (and indirectly the power) of my house. I am storing in a dataset both phases (P\_a and P\_b) with a sampling rate of 30 seconds. Now, I would like to estimate th… --- ## [Electrical parameters monitoring](https://community.openenergymonitor.org/t/electrical-parameters-monitoring/3408)
**Author:** [@praveen\_kumar](https://community.openenergymonitor.org/u/praveen_kumar)\ **Replies:** 17\ **Last updated:** [25 March 2017 03:06 UTC](https://community.openenergymonitor.org/t/electrical-parameters-monitoring/3408 "2017-03-25T03:06:33Z")
I have arduino and raspberry pi modules. I am planning to use raspberry pi for automation with OPENHAB2 installed and arduino for montioring with OPEN ENERGY MONITORING. But, can I transfer current sensor data from ardui… --- ## [EASTRON SDM-230 pulse energy meter](https://community.openenergymonitor.org/t/eastron-sdm-230-pulse-energy-meter/3484)
**Author:** [@paonza](https://community.openenergymonitor.org/u/paonza)\ **Replies:** 2\ **Last updated:** [19 March 2017 23:09 UTC](https://community.openenergymonitor.org/t/eastron-sdm-230-pulse-energy-meter/3484 "2017-03-19T23:09:49Z")
Hi All! I would like to read pulse from this energy meter “SDM-230 pulse” PDF MANUAL This device only have a pulse output. I tried to detect the pulse for trigger an interrupt on Arduino without success… Please, i ne… --- ## [Feature Request: Windowed Energy Display Statistics](https://community.openenergymonitor.org/t/feature-request-windowed-energy-display-statistics/928)
**Author:** [@SolarMill](https://community.openenergymonitor.org/u/SolarMill)\ **Replies:** 12\ **Last updated:** [15 August 2016 16:25 UTC](https://community.openenergymonitor.org/t/feature-request-windowed-energy-display-statistics/928 "2016-08-15T16:25:38Z")
As a manufacturing company, we are routinely analyzing the embodied energy of the products we make. We have Emon sensors installed on all of our machinery and equipment and are using EmonCMS to log and graph. Frequently … --- ## [How to calculate the energy and extract into variable on EmonLib?](https://community.openenergymonitor.org/t/how-to-calculate-the-energy-and-extract-into-variable-on-emonlib/1016)
**Author:** [@Mutuca\_42](https://community.openenergymonitor.org/u/Mutuca_42)\ **Replies:** 2\ **Last updated:** [17 July 2016 23:33 UTC](https://community.openenergymonitor.org/t/how-to-calculate-the-energy-and-extract-into-variable-on-emonlib/1016 "2016-07-17T23:33:59Z")
I’m trying to calculate the energy in KWh on emon and extract this value into variable… Emon gives each loop the power value, right? But what is the time passed each loop? how could I implement the time value in this co…