The HPPL plant, located in the province of Neuquén, on the Limay River, started operating in 1999 under a 30-year concession. HPPL has a 285 MW installed capacity distributed in 3 Kaplan-type turbines, representing 0.6% of Argentina’s total installed capacity. The dam is made up of loose materials with a waterproof concrete side. It has a length of 1,045 m, a maximum height of 54 m and a crest of 480 m above sea level. Between 2000 and 2024, HPPL recorded an average annual generation of 912 GWh, with a record high of 1,430 GWh in 2006 and a record low of 494 GWh in 2016. HPPL’s concession is 100% owned by Pampa.
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The following chart shows certain relevant statistical data on HPPL:
| 2023 | 2024 | 2025 | |
|---|---|---|---|
| Net Generation (GWh) | 1.060 | 890 | 558 |
| Purchases of Energy (GWh) | – | – | – |
| Total Energy Sales (GWh) | 1.060 | 890 | 558 |
| Average Price (US$/MWh) | 11 | 13 | 20 |
| Average Gross Profit (US$/MWh) | 4 | 5 | 7 |
Note: Gross Margin before depreciation and amortization.
Technical Data
| Unit | Installed Capacity (MW) | Start-Up | Remuneration |
|---|---|---|---|
| PPLEHI | 285 | 1999 | Res. SE No. 34/26 |
