Diverse Resource Portfolio & Low-Carbon Pathway
49
MIST STORAGE FACILITY
Overview
• In operation since 1989
Storage capacity at Mist 16 Bcf
-
11 Bcf Core Utility
5 Bcf Interstate Storage Services
Unique, Valuable Asset
⚫ Limited storage options in Pacific Northwest
Part of utility's diverse, reliable gas supply strategy
Utility can recall Interstate portion for Core Utility demand
Optimize non-utility portion and share revenues with utility
customers
⚫ 5 Bcf under long-term high-value contracts
BCF
18
15
12
520630
9
1998
2000
BCF / Day
0.60
0.50
0.40
0.30
0.20
0.10
0.00
2002
Mist Storage Capacity
2004
2006
T
2008
Mist Storage Deliverability
2010
2012
2014
T
2016
2018
1998
2000
T
2002
2004
2006
2008
■ Utility
■Utility Recall
2010
2012
2014
T
T
2016
T
T
2018
2020
2020
Interstate
NW NaturalⓇView entire presentation