Networked, real-time energy monitor and portal gives facility managers decision making support for optimizing energy usage. Temperature, humidity, carbon dioxide and other sensors can be added to the basic electrical sensing capability.
The Energy Optimizer from Arch Rock includes the Energy Visibility Portal, PhyNet Router and IPpower Notes. The portal is a web-based application which displays detailed energy usage information in graphical and tabular formats. It's accessible either as a hosted service or on a PhyNet Server appliance.
The PhyNet Router, an embedded networking device connecting the user's Wireless Sensor Networks (WSN) to the Energy Visibility Portal. The router connects to the portal over local- or wide-area network links (e.g., Wi-Fi, Ethernet, cellular) and to the sensor nodes over IEEE 802.15.4 low-power radio links using the IETF 6LoWPAN standard (IPv6 over low-power wireless personal area networks). Deployments can include one PhyNet Router per local site, or multiple routers for high availability and load balancing.
Arch Rock IPpower Nodes are mains-powered and mounted in or near electrical circuit-breaker panels; each node measures AC power and voltage on up to three circuits.
Typical information and benefits include:
monthly spending by user-designated physical area (e.g., data center, quality assurance lab) or functional area (e.g., lighting, air conditioning system);
monthly spending breakdown of those physical/functional areas into individual circuits, identifying the biggest power users in each area and thus indicating where to target money-saving efforts or how to pro-rate tenant or departmental charges;
electricity distribution breakdown by the three phases of utility-provided AC power; this takes utility rate structures into account, providing facilities managers with knowledge useful in reducing usage uniformly across all three phases to avoid peak-usage or overage penalties;
cumulative monthly spending, for comparison against a variety of baselines such as organizational budget, historic spending (e.g., last month, same month last year), compliance goals, and usage at comparable facilities;
real-time demand, reported at user-defined intervals ranging from minutes to weeks plus year-to-date; information on usage peaks detected within those intervals can be used to avoid rate penalties;
site activity log: ongoing, automatically generated log of spending per kilowatts of power used on a given day; can be user-annotated with actions taken (e.g., bulbs changed, thermostats adjusted).
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