[Gasification] Spanner

[Tom Miles]

Thanks Phil. I think that would be the first one in Canada unless Borealis
has a demo somewhere 

Regards,

Tom

-----Original Message-----
From: Gasification [mailto:gasification-bounces at lists.bioenergylists.org] On
Behalf Of Phil Marsh
Sent: Wednesday, January 30, 2013 7:46 AM
To: 'Discussion of biomass pyrolysis and gasification'
Subject: Re: [Gasification] Spanner

Tom:

You might want to check with the BC Bioenergy Network (Michael Weedon). I
believe they have chosen the Spanner system for a small scale test at a
community in Northern BC. 

Phil Marsh
Marshbros.
250 569-7858

-----Original Message-----
From: Gasification [mailto:gasification-bounces at lists.bioenergylists.org] On
Behalf Of Tom Miles
Sent: January-30-13 12:03 AM
To: 'Discussion of biomass pyrolysis and gasification'
Subject: Re: [Gasification] Spanner

Fredrik,

It's good to hear from you. And many thanks for the report on the Spanner. 

I have found some reports on the performance of the Spanner gasifiers. If
the it operates reliably then it might be worthwhile considering. It is
encouraging to hear that so many are in use. University of North Dakota
(EERC) developed a 100 kWe gasifier with a reactor that sounds very similar
in concept to the Spanner. It seemed to work well on wood. They built a
couple of them but the economics were not favorable so I do not think they
are being used.  

I have seen that the 30 kWe Spanner gasifier is about EUR 130,000 and the 40
kWe/100 kWth unit is about EUR 140,000 (USD 189,000). If you add another EUR
70,000 (USD 95,000) for the feed system, heat distribution, and switchgear
then it is a fairly expensive heater and generator at about EUR 210,000 (USD
284,000). 

We have a similar situation in most of the US where the only real savings is
by not consuming from the grid. Even through there are public incentives for
small generators the utilities discourage small generation through high
connection costs and other high service fees. 

The economics are favorable in the remote villages in Alaska and British
Columbia. The Alaskan sawmill where we installed a 20 kWe  gasifier pays
about EUR 496/kWe (USD 670/MWh) for diesel generated power. We estimated
that we could generate power with the gasifier for about EUR 296/kWh (USD
400/kWh). A consumer in a larger town pays about EUR 326/kWh (USD 440/kWh).
We estimated that we could generate 1 MWe power for about EUR 178 (USD
240/kWh) with public subsidy for a small (2 MWe) steam system but  gasifiers
at the 2 MWe scale were too expensive.     

All  the best, 

Tom


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