In Q3 fiscal 2018 (the quarter ended September 30, 2018), Pinnacle West Capital's largest product or service was Electric and Transmission Service, with $1.26 billion or 98% of revenue. Next: Transmission Services (1%) and Other Services (under 1%).
From company filings, in USD; latest quarter ended September 30, 2018; quarterly data from Q1 fiscal 2018.

Fiscal quarters, from company filings
| Product or service | Q3 FY18 | Q2 FY18 | Q1 FY18 | Share |
|---|---|---|---|---|
| Electric and Transmission Service | $1.3B | $954.0M | $683.0M | 98% |
| Transmission Services | $15.9M | $15.5M | $14.8M | 1% |
| Other Services | $6.3M | $7.5M | $5.9M | under 1% |
In USD, fiscal quarters as reported; share = part of Q3 FY18 revenue.
Electric and Transmission Service: $1.26 billion, or 98% of revenue, in Q3 fiscal 2018.
By revenue in Q3 fiscal 2018: Electric and Transmission Service (98%), Transmission Services (1%) and Other Services (under 1%).
Click a bar to see that period below. Striped bars are calculated fourth quarters; an empty slot means it could not be calculated on the same basis i
Fiscal quarter ended Jun 30, 2026
| Item | Revenue | Share |
|---|---|---|
| Reportable Segment, Aggregation before Other Operating | USD 1.46B | 100.0% |
Sum of items USD 1.46B. Shares are of the items shown. Click an item with › to see its parts.
Every item and period in one grid. Purple = calculated; "–" = not available.
| Item | Q2 FY26 | Q1 FY26 | Q4 FY25 | Q3 FY25 | Q2 FY25 | Q1 FY25 | Q4 FY24 | Q3 FY24 | Q2 FY24 | Q1 FY24 |
|---|---|---|---|---|---|---|---|---|---|---|
| Reportable Segment, Aggregation before Other Operating | 1.5B | 1.1B | 1.1B | 1.8B | 1.4B | 1.0B | 1.1B | 1.8B | 1.3B | 952.0M |