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DCPI index
Tucson
CAUTION
WECC · AZ · last computed 2026-07-15
23.7
Composite score
excess − constraint/2 − ttp penalty
44.6
Excess power
0=tight · 100=ample
41.9
Grid constraint
0=clear · 100=blocked
17
mo
Time to power
interconnect → MW
Why this verdict:
fast TTP (17mo).
30-day excess-power trend
Comparable markets in WECC
Market
ISO
State
Verdict
Excess
Beaverton
WECC
OR
CAUTION
44.6
Bend
WECC
OR
CAUTION
44.6
Billings
WECC
MT
CAUTION
44.6
Enterprise
WECC
NV
CAUTION
44.6
Eugene
WECC
OR
CAUTION
44.6
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