[RE-wrenches] off-grid permitting problem

[Jason Szumlanski]

See 690.10, 690.1, and 690.3.


*Jason Szumlanski** *

*Fafco Solar*


On Wed, Dec 12, 2012 at 1:00 AM, William Miller <william at millersolar.com>wrote:

> Jeff:
>
> There is a code passage that specifically states that one does not need to
> provide full rated ampacity to a service.  I am sure you can find it.
>
> Find a way to prove, mathematically, that the system planned will provide
> adequate power.  Create or find a spreadsheet listing all appliances and
> wattages and system watt hours provided.  Dress it up, put your logo on it
> and sell it to the building department.
>
> William Miller
>
>
>
>
> At 07:52 PM 12/11/2012, you wrote:
>
>> Content-Type: multipart/alternative;
>>         boundary="----=_NextPart_000_**0006_01CDD7F2.373D3CB0"
>> Content-Language: en-us
>>
>>
>> We have a client that just had assembled on his rural property a pre-fab
>> modular home with  "normal" wiring and 200 amp main panel and meter base.
>>  However, landowners around his property will not grant access for electric
>> utility to cross and he needs to move in ASAP.  He realizes that some day
>> he should be able to resolve this utility access but until then he wants us
>> to do an off-grid "basic" solar system with generator backup so he can at
>> least power lights, well pump, and basic appliances.   His budget will not
>> allow a fully off-grid solar system so we wanted to do reduced solar and
>> battery system with larger generator to fill in on bad solar days.  He does
>> have good solar exposure and lots of cleared land, but figures one day the
>> solar and generator will become a backup system to a future grid connection
>> so does not want to spend any more than absolutely necessary.
>>
>> However ,this local inspector for this rural county has no experience
>> with solar and is expecting to see a 200 amp service connection from the
>> utility before allowing occupancy.  He did hint that a 100 amp service
>> connection may be allowed but nothing less.  I know NEC does mention that a
>> panel does not have to be supplied with the amount of service capacity it
>> is rated for, but what other code issues can I point out to get this
>> accepted without getting into a pis----- contest?
>>
>> Thanks,
>>
>> Jeff Yago
>>
>
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