20181130Decision Memo.pdf

DECISION MEMORANDUM
TO COMI\{ISSIONER KJELLANDER
COMMISSIONER RAPER
COMI\{ISSIONER A}IDERSON
COMMISSION SECRETARY
LEGAL
WORKING FILE
FROM:TERRI CARLOCK
NOVEMBER 30,2018DATE:
RE:ANNUAL DETERMINATION OT'THE INTIREST RATES ON
DEPOSITS COLLECTED T'ROM CUSTOMERS FOR THE CALENDAR
YEAR 2019; CASE NO. GNR-U-18-02.
Every year the Commission sets the interest rate to be paid on customer deposits for the
next calendar year. Rule 106 of the of the Customer Relations Rules for Gas, Electric and Water
Utilities provides: "the Commission will determine the twelve-month average interest rate for
one-year Treasury Bills for the previous November I through October 31, round that rate to the
nearestwholepercent...". (IDAPA31.2l.0l.106andIDAPA3l.41.0l.104). Thisaverage
interest rate is 2.15% as shown on Attachment A. Staffrecommends the rate be rounded to the
nearest whole percent and set al2Yo for the calendar year 2019.
COMMISSION DECISION
Should the interest rate paid on deposits collected from customers for the calendar year
2019 be set atLYo?
r)Irr,,].or,k
Terri Carlock
utcarloc./AnnDctlntRat€s I l -30-20 l8 TC
Week Ended
APPENDIX
ONE.YEAR TREASURY RATES
Rale%Week Ended
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t2h5l2ot7
t2l22l2OL7
tzl2el20r7
Llslzots
uLalza,J^
utel2ols
tl26120t8
2l2lz0fi
zlel2o,.8
2lt6l2ot8
2123l2OL8
3l2l2oL8
3lel2ot8
ilL612018
312312018
tl2el2ot8
4161zofi
4l$lza,.8
4l20l2O!8
412712018
sl4l2ot8
slLrlzots
sl18l20t8
sl2sl2ot8
6ltlzot8
6l8l2Ot8
6i1sl2oL8
6l22l2ot8
6129l20t8
7l6l20t8
7h3l2OL8
7l2Ol2OL8
7l27l?:0t8
8l312Ot8
8ltolzot8
8lt7l20t8
8124l2Ot8
8l3Ll2OL8
e17l2O,8
9lt4lzot$
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el28l2ol8
1ol5l2ot8
t0lt2l2ot8
toltglzots
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Rate %
2.24
2.28
2.32
2.27
2.28
2.30
2.35
2.33
2.33
2.34
2.37
2.41
2.43
2.4?
2.42
2.44
2.44
2.46
2.53
2.56
2.58
2.59
2.U
2.66
2.67
2.63
2.15
1.49
1.54
1.60
1.61
1.62
1.65
L.7L
1.73
1.76
1.80
!.78
1.79
1.80
1.88
1.89
2.00
2.O2
2.06
2.03
2.08
2,M
2.ff
2.06
2,12
2.22
2.24
AVERAGE
Source: Federal Reserve Treasury Rates
One-Year Constant Maturities
Attachment A