I used to work for a utility and it is utility dependent. The key I
think is whether all the submetering customers are actually owned by the
same entity. For example, a commercial complex may have several
building on site, each submetered. The whole complex could be master
metered at the service delivery point. If so, master metering will save
in several ways, most notably the monthly charge, but demand charges and
possibly a reduction in the energy charge depending upon the tariff can
also occur. The utility should be able to run the analysis for you. I
would request from the utility the details on master metering at the
location. This will quickly get you into their domain/processes. Unless
you have experience in this area, it can be difficult to calculate the
cost/benefit. Chris
On 7/4/2019 2:09 PM, Andrew Truitt wrote:
Happy 4th Wrenches! Has anyone ever been through the process of
consolidating utility electric meters for a client? We're talking to
an HOA that has 15 meters throughout the community for common area
loads (clubhouse, pool pump, lighting, fountain...) so they're paying
a fixed monthly charge on each in addition to energy and demand
charges. Consolidating to a single master meter (possibly with
sub-metering) would likely lower their costs on its own, and (more
importantly?) would improve the value proposition for a PV+ESS
installation. We're not sure if the community is served by a single
or multiple transformers yet, but if it is just one then the process
should be straightforward from a technical standpoint. The interwebs
tell me that some providers (seems like mostly co-ops) are open to
this, but I can't find anything for this particular utility.
Regards,
Andrew Truitt
www.dr.ventures
d: 202.486.7507
NABCEP Certified PV Installation Professional ID: 032407-66
Colorado Journeyman Electrician License No.: 600132
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