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Loading the live California grid…

Generation by source, demand against forecast, carbon intensity, wholesale prices, wildfire incidents and utility reliability, each with its own timestamp and source.

Data through — Pipeline ran — Loaded —

Generation by source

MW at five-minute intervals · batteries and exports stack below zero

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Demand right now — vs day-ahead forecast
Net demand — after solar and wind
Carbon intensity — kg CO₂ per MWh of demand
Highest hub price — real-time market
Active wildfires — CAL FIRE incidents

Generation

CAISO Today's Outlook

The midday solar peak and the evening collapse are the whole argument for storage. The hours when the grid is least renewable are the hours a community most needs firm power.

Right now, by source

MW at the latest interval

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Renewable share through the day

Percent of total generation from solar, wind, hydro, geothermal and bio sources

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Demand and the evening ramp

CAISO Today's Outlook

Net demand is what the rest of the system has to cover once solar and wind are subtracted. Its steepest three hours are the operational stress signal, and forecast error is how much the grid runs on prediction. An islanded site takes its load off that ramp.

Demand vs forecast

MW · forecasts dashed beyond the last actual interval

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Net demand (the duck curve)

MW · largest three-hour ramp shaded

Largest 3-h ramp — in this window

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Carbon intensity

CAISO CO₂ report

The dirtiest hour is the stressed hour: gas peakers set the marginal emissions at the ramp. Storage discharged into that window displaces exactly that generation.

Grid carbon intensity

kg CO₂ per MWh of demand, including imports

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Emissions by source

metric tons CO₂ per hour

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Wholesale prices

CAISO OASIS real-time market

Price spikes are scarcity made visible. The north–south spread between NP15 and SP15 shows transmission stress during the ramp.

Real-time locational marginal price by trading hub

$/MWh · five-minute intervals

Highest spike in window — at or above $200/MWh

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All of California

EIA-930 hourly grid monitor

CAISO runs about four fifths of the state. The rest is served by its own balancing authorities: Los Angeles, the Sacramento area, the Imperial Valley and Turlock. This is the whole state's hourly demand, plus where CAISO's imports actually came from.

Statewide demand, latest hour — all five balancing authorities
Beyond CAISO — LADWP, BANC, IID and Turlock
CAISO net imports, latest full day — from neighbouring grids

Hourly demand by balancing authority

MWh per hour, last 48 hours · CAISO day-ahead forecast in the tooltip and table

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Where CAISO's imports came from

net MWh into CAISO by neighbouring balancing authority, latest full day (EIA-930 lags about a day)

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Wildfire incidents

CAL FIRE incidents

Every incident CAL FIRE currently lists as active. Fires inside PG&E and SCE territory are the trigger conditions for Public Safety Power Shutoffs, and the communities most exposed to them are the ones a resilience program is built for.

Active incidents

sorted by acres

IncidentCountyAcresContainedUpdated

Full table

Acres by county

and utility territory exposure, approximate by county

    Utility reliability

    annual · EIA-861

    Whose customers already lose the most hours per year, and how much worse major event days make it. SAIDI counts minutes of interruption per customer per year; the gap between the two bars is what wildfires, storms and shutoffs add.

    SAIDI by utility, with and without major event days

    minutes of interruption per customer per year · largest California utilities by customers

    PSPS history

    static · utility filings, 2019–2023

    Public Safety Power Shutoff events by utility. These are static, utility-reported counts kept for context; the live feeds above show today's trigger conditions. Each event that reaches thousands of customers without distributed backup power is a deployment case for the Resilience as a Service model.

    PSPS events by utility

    PG&E and SCE annual event counts. SDG&E reported none in this period.

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    Sources and methods

    Every number on this page can be traced to its source and its timestamp. A scheduled pipeline pulls each feed on a fixed cadence and publishes small snapshots; visitors never call the upstream services directly.

      Renewable share. Solar, wind, geothermal, biomass, biogas, small hydro and large hydro as a share of all generation, including imports and battery discharge.
      Net demand. Demand minus solar and wind; the load the rest of the system has to cover. The ramp statistic is the largest rise over any three-hour window in the displayed range.
      Carbon intensity. Total CO₂ per hour reported by CAISO, in metric tons, divided by demand. Imports are included at CAISO's assumed emission rate.
      Prices. Real-time market locational marginal price at the NP15, SP15 and ZP26 generation trading hubs, in dollars per MWh, five-minute intervals.
      Utility territory. Each incident is assigned to the investor-owned utility that serves most of its county of origin. Several counties are split between utilities, so treat the roll-up as approximate.
      Times. All times are Pacific. Night-time solar readings a few megawatts below zero are shown as zero in the stacked chart and left as reported in the tables. Raw daily archives are published at data/grid/archive/.