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Besides usage billing and peak-shaving, discoveries are made during
installation. Further deterioration of equipment is prevented and
potential problems are detected right away. Often the mM itself is
questioned, but it doesn't lie. Further investigation always yields
something that would ordinarily escape detection.
basement refrigerator wasn't closing correctly, wasting $22/month.
PC workstation put on dedicated refrigerator circuit improved both power factors.
compressed air costs were much higher than expected
compact fluorescent (CFL) bulb replacements may have lousy power factor (.5-.7)
unusual amenity sells houses, everyone has counter tops
laundromat machines' coinboxes were bypassed
plasma television uses 5 times as much as old set
large heater running in the summertime
buried wire with bad insulation drew current and could be a shock hazard
nest in chiller duct, ran much more than other similar units
faulty pool pump timer - runs 24 hr
theft of power (residential)
meter tampering (commercial)
utility meter error (commercial) that actually resulted in a refund!
passive power factor correction possible with 25' of romex
improved power factor passively by rearranging branch loads
rv draws power when all shut off
homeowner not truthful regarding high bill complaint
refrigerator seal defective
heat recovery pump not running (water heater operating at same time as a/c)
idle home theater draws 50 watts
a/c and heating strip on at the same time!
outside (common) light charged to tenant
improved power factor passively by rearranging branch loads
plumbing leak - well runs too much
surge protector leaking, consuming power
server bay seriously overloading circuit
compressor not cooling - no gas
power conditioner makes some improvement but not cost-effective
3-phase power saw running on 2 phases
MRI scans sequenced to flatten peak
bad water heater element
photo sensor not shutting off flood lights
classroom pc monitors not shutting off with pc's
unknown circuit, no complaint when cut off
hot tub heater electrifying water - no GFI
piano damp chaser de-tuning instrument
hot water leak - excessive heating cycles
open neutral (2x)
energy retrofit successful (>10x)
energy retrofit unsuccessful (3x)
holiday display costly to run all night
water cooler not cooling much, runs 24x7
better to preheat pizza oven before 8am and vent room heat before a/c on
draft from bad window seals costs $83/month for heating, likely same for cooling
sprinkler control shorted
collating copier draws as much as Dr's office - now use 2 hrs/day
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