Energy Audit Solution @ OAK Network, UK

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The OAK Network Ltd is working in the area of energy audit, based in London, United Kingdom, and offers a subscription-based energy optimization platform with an increasing base of clients providing real-time data enabling them to reduce their consumption, to become more sustainable and save money at the same time.

Traditionally energy usage and costs have been unchecked, where variable and specific consumption remained untraced, leading to demonstrated scenarios of wastage and abusive consumption. The current milieu limits users to depend on the typical blackbox scenario, where the utility meter is the only source of energy consumption information, and deciphering usage proportional to usage (disaggregation) remains the challenge.

OAK services include monitoring dashboard OAK Insights, which includes a complete in-depth overview of the clients overall consumption along with real-time alerts and notifications, keeping clients in charge of their consumption. Additionally, Oak provides monthly reports to help the client to understand their energy consumption, effectively liberating clients from inaccuracies and guesswork arising from estimated bills. Here clients would know the exact consumption on a minute-to-minute basis.

Here, the SustLabs solution includes the equipment for data collection, passing on data parameters at standard intervals and this data is processed & integrated with OAK services.

The Ohm Assistant real-time energy monitoring bot is fitted in series with the main MCB (Main Circuit Breaker) Isolator. To address the special scenario of custom (larger/non standard) sized phase cables, external CT sensors are used for the respective phase lines. This is paired with the WiFi device (arranged by the client) which provides the always-on connection for data collection & transmission. The data is routed to SustLabs Servers.

Standard parameters include
Total Energy Consumption (Units),
Active Power (Watts) (R Phase | Y Phase | B Phase)
Reactive Power (Watts) (R Phase | Y Phase | B Phase).
Frequency (Hz),
Voltage (Volts),
Current (Amps),

Hence unbalanced phase wise loads can be observed. Also, overall & phase-wise Power Factor information is available, and when the PF goes below 0.9, users can take appropriate action for the phases with low PF.

The solution is highly scalable from the simplest homes to large scale commercial & industrial setups, since suitable equipment can be deployed for data collection.