Wind · Analysis

Pine Tree: the wind farm LA owns, not just buys from

Most of LA's wind arrives over long wires from private projects LADWP pays by contract. One farm in the Tehachapis, the city owns outright, and that changes who carries the risk.

BY THE RENEWABLE ENERGY LA EDITORS · FILED OCTOBER 25, 2026 · 6 MIN READ ·

What owning the plant actually changes

Pull up your LADWP power content label, the once-a-year disclosure that lists where your electricity came from, and wind shows up as a real slice of the mix. Most of it arrives the way most things arrive in Los Angeles, from somewhere else over long wires. The turbines turning on the Tehachapi ridges and across the Mojave mostly belong to private developers, and LADWP buys their output under long-term contracts.

One wind farm in that range is different. Pine Tree Wind Farm, up in the Tehachapi Mountains in Kern County, is not a contract. LADWP built it, owns it, and runs it, a municipal utility operating a power plant the way the city operates a reservoir or a pump station. It came online around 2009, and the department later added a solar array on the same ground.

The two sides of owning it

Under a power purchase agreement, the utility agrees to buy a developer's electricity at a set price, and the developer carries the construction cost, the operating risk, and the maintenance. If the turbines underperform, in many contracts the developer absorbs it. Ownership flips that arrangement. LADWP captures the output directly, dispatches its own crews on its own schedule, and keeps whatever the wind delivers, with no markup flowing to a developer's investors.

The reverse is just as true. When an owned plant falls short, there is no counterparty to absorb the loss, so the ratepayer does. LADWP carries the capital cost, the repairs, the gearbox replacements, and the plain fact that the wind in a given year may not cooperate. Control over the asset and exposure to its bad years are the same coin.

The honest math on what it delivers

Pine Tree's nameplate capacity is on the order of 120 megawatts across roughly 90 turbines, per LADWP's project descriptions. Nameplate is the ceiling, the most the farm could produce if the wind blew hard and steady all year, which it never does. The number that matters is the capacity factor, the share of that ceiling a plant actually reaches over twelve months.

By the generation data utilities report to the California Energy Commission and the federal Energy Information Administration, Pine Tree's output has tended to run below the wind resource first projected for the site, at last public report. Early assessments were optimistic, and the ridge delivered less steady wind than those forecasts assumed. That is a common story for first-generation wind sites, and it is exactly the risk ownership hands to the city instead of a developer. The smaller solar array added later on the same ground made more use of land and an interconnection the city had already built.

How to check it yourself

You can follow this without taking anyone's word for it. LADWP publishes a Power Content Label each year, the standardized disclosure every California retail provider must produce, showing the percentage of power from wind, solar, large hydro, gas, and the rest. Pine Tree's output rolls into the system-owned renewables rather than appearing as its own line, so the label tells you the shape of the mix, not the single plant.

For the plant itself, the California Energy Commission's power plant and generation records and the EIA's facility-level data track Pine Tree by name and report its annual production. Compare a few years and the pattern is plain, a good wind year and a thin one, with output sitting well under the nameplate ceiling. That gap is not a scandal. It is what wind looks like, and owning the plant means the city sees it directly.

Worth watching this month

1. LADWP's next annual Power Content Label, usually posted in the fall, which will show whether system-owned wind held its share of the 2026 mix (routine, but the clearest public readout).

2. The California Energy Commission's generation data updates, where Pine Tree's most recent annual output can be set against prior years once the figures post.

3. LADWP Board of Commissioners agendas, the place any repair, repowering, or capital spending on the Tehachapi site would surface before it reaches ratepayers (worth watching closely if a repowering is floated).

4. California ISO grid conditions through the fall wind season, since Tehachapi and Santa Ana wind patterns can swing how much the farm contributes week to week.

Where this dispatch reads

California Energy Commission, California Electricity Data, www.energy.ca.gov/data-reports/energy-almanac/california-electricity-data, State agency (.gov) with annual electricity generation data reported by power plant.
U.S. Energy Information Administration, Electricity Data, www.eia.gov/electricity/data.php, Federal agency (.gov) facility-level generation records, searchable by plant.
California ISO, grid conditions, www.caiso.com/todays-outlook, The grid operator for most of California, showing real-time and historical supply including wind.
LADWP Power Content Label, www.ladwp.com/account/customer-service/power-content-label, The utility's yearly standardized disclosure of where your electricity came from.
LADWP power generation and renewable portfolio, www.ladwp.com/who-we-are/power-system/power-generation, The utility's description of plants it owns, including Pine Tree, and its renewable mix.

Questions readers have asked

Does LA get most of its wind from Pine Tree?

No. Most of the city's wind comes from private projects in the Tehachapi and Mojave areas that LADWP buys under contract. Pine Tree stands out because the utility owns it outright, not because it is the largest source.

Is owning a wind farm cheaper for ratepayers?

It can be, since there is no developer markup and the city keeps the output directly. It also means ratepayers carry the repair and underperformance risk that a contract would usually shift to the developer.

Why does Pine Tree produce less than its nameplate capacity?

Nameplate is the maximum under ideal steady wind, which never holds all year, so every wind farm runs below it. Pine Tree's site also delivered less wind than early forecasts assumed, at last public report.

Can I see how much Pine Tree generates?

Yes. The California Energy Commission and the federal EIA publish annual generation for the plant by name, and LADWP's Power Content Label shows the broader mix on your bill.