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DCPI index
Tucson
BUILD
WECC · AZ · last computed 2026-07-26
63.3
Composite score
excess − constraint/2 − ttp penalty
69.5
Excess power
0=tight · 100=ample
32.4
Grid constraint
0=clear · 100=blocked
11
mo
Time to power
interconnect → MW
Why this verdict:
DCPI verdict: BUILD; adequate excess capacity (70); fast TTP (11mo).
30-day excess-power trend
Comparable markets in WECC
Market
ISO
State
Verdict
Excess
Cheyenne, WY
WECC
WY
BUILD
69.5
Mesa
WECC
AZ
BUILD
69.8
Chandler
WECC
AZ
BUILD
70.5
Goodyear
WECC
AZ
BUILD
70.5
Scottsdale
WECC
AZ
BUILD
71.4
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