- 2026-04-07April
Case for Electric Power Submetering
For decades, electrical power submetering was an attractive idea but difficult to implement. Traditional electro mechanical utility meters—mounted outside buildings and designed only to track total incoming power—offered limited insight. They provided coarse, infrequent readings at the kilowatt level, making it impossible to understand how electricity was being used inside a facility. Today, that has […]
- 2026-03-10March
Energy Management in Server Farms
Energy management in server farms is crucial for balancing performance, sustainability, and cost efficiency. Key strategies include: Server Consolidation: Consolidate workloads onto fewer machines during off‑peak hours. Shut down or hibernate idle servers. Use orchestration tools to balance performance and energy. Hardware Optimization: Identification of underperforming servers/ energy inefficient servers. Select servers for high performance […]
- 2026-03-04March
UL2808 Certified Split-core Current Transformer
Maximize the efficiency and reliability of your AC power system with the CTSR family of mini split core current transformers. Engineered for compact installations and precision AC current measurement, these transformers deliver dependable performance in even the most space constrained electrical environments. 🔧 Compact, Fast, and Reliable Installation The CTSR series features a mini split […]
- 2024-01-04January
Electrical Power Submetering – Why Part 2
In an AC powered system, the ratio between the AC power that actually performs work (Watt = Voltage times Current) and the power that is applied (applied voltage times applied current) is measured by the Power Factor. A power factor of 1.0 means that all of the applied AC voltage and AC current performs work. […]
- 2018-12-03December
AC Electric Power Monitoring and Measurement Sensors
Retrofitting Existing Distribution Networks The current generation of electric power AC current sensors that are suitable for retrofitting existing distribution networks have obtained a level of accuracy capable of near revenue grade metering. These split-core sensor designs permit the installation of the AC current sensor without taking the primary conductor off-line. The standard solid-core AC […]
- 2015-11-13November
Free Electric Power
The New York Times published an article recently on how TXU Energy (Dallas/ Fort Worth, Texas) is offering their customers free electricity during certain times of the day. A little background may be helpful. There are three electrical grids that cover the mainland United States, essentially East coast, West coast and Texas. Several years ago, […]
- 2015-06-03June
Electric Power Generation Business Model
In the 1990’s the trend was to break-up the electric utility monopolies into separate Generation, Transmission and Distribution businesses. The intent was to open up the electric power generation side of the business to more market oriented competition with the hope of lowering prices for electricity at the wholesale and retail level. Two trends have […]
- 2015-02-19February
Solar Arrays as Distributed Power Generators
I have noticed several trends in the electric power market which I find very intriguing. The first is the development of distributed power generation. I am not referring to the growth of the large merchant power generators, but the growth of the individual residential power generators. My sister and brother-in-law live in Hawaii. They installed […]
- 2012-11-20November
Electric Energy Monitoring
Our business has experienced a dramatic increase in requirements for the precision electric power measurement sensors used to measure electric power at the household and small commercial level. These sensors are incorporated into energy monitoring systems designed specifically for these markets. The energy monitoring systems typically consist of a local data gathering module, a communication […]
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