Connect
Bring your plant, market, and weather data together.
AI for the energy transition
Forecast what your solar assets will do next.
STEFR AI turns complex plant and weather data into forecasts your team can actually use.
✳
PLANT OUTPUT / MW Illustrative data
06:0012:0018:0000:00
Actual Forecast Confidence range
01 / THE SIGNAL
Solar is predictable.
Until it isn’t.
Clouds move. Equipment drifts. Markets turn. The gap between expected and actual production is where operational cost hides.
STEFR makes that gap visible—so operators can respond with context, not guesswork.
02 / THE APPROACH
From raw signal
to clear decision.
Built for the messy, moving reality of renewable energy. One focused layer between your data and your next decision.
Understand
Our models learn the shape of your assets and their site context.
Forecast
See the next 15 minutes to 7 days with a confidence range.
Act
Make better calls on trading, storage, and maintenance—before the day moves.
03 / THE PRODUCT
A sharper view
of tomorrow.
Designed to fit the way your team already works. STEFR gives you one reliable forecast layer across every site, horizon, and handoff.
- ↗Day-ahead and intraday forecasts
- ↗Site-level model calibration
- ↗Uncertainty you can plan around
- ↗API and simple operator dashboard
FORECAST CONFIDENCE+ 24 HRS
86%
☼ Clear sky◒ 12% cloud cover
04 / WHY IT MATTERS
Better forecasts
compound.
Less uncertainty
Know what your assets are likely to do, and how sure the model is.
Faster decisions
Give operators a shared, live picture of every site in the portfolio.
More control
Move from reacting to production variance to planning around it.
05 / THE PILOT
Start with one site.
See what changes.
We work with your team to connect the data, calibrate the model, and get a useful forecast in front of the people who need it.
Talk about a pilot ↗