Skip to content

core: pass grid feed-in cap to optimizer when curtailment active #31949

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
andig merged 2 commits into from
Jul 19, 2026
Merged

core: pass grid feed-in cap to optimizer when curtailment active #31949

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
e05135a
core: pass grid feed-in cap to optimizer when curtailment active
andig Jul 19, 2026
426b3b8
wip
andig Jul 19, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 11 additions & 4 deletions core/site_optimizer.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ import (
"github.com/evcc-io/evcc/core/loadpoint"
"github.com/evcc-io/evcc/core/metrics"
"github.com/evcc-io/evcc/core/types"
"github.com/evcc-io/evcc/hems/hems"
"github.com/evcc-io/evcc/tariff"
"github.com/evcc-io/evcc/util/config"
"github.com/evcc-io/evcc/util/request"
Expand Down Expand Up @@ -325,10 +326,16 @@ func (site *Site) optimizerUpdate(battery []types.Measurement) error {

if site.circuit != nil {
if pMaxImp := site.circuit.GetMaxPower(); pMaxImp > 0 {
req.Grid = optimizer.GridConfig{
// hard grid import limit if no price penalty is set by PrcPExcImp
PMaxImp: float32(pMaxImp),
}
// hard grid import limit if no price penalty is set by PrcPExcImp
req.Grid.PMaxImp = float32(pMaxImp)
}
}

// soft grid feed-in cap from active HEMS curtailment (e.g. German 70% rule):
// export is capped at this power, excess PV is curtailed instead of exported
if curtailed := hems.Curtailed(site.hems); curtailed != nil && *curtailed {
if pMaxExp := site.hems.MaxProductionPower(); pMaxExp != nil {
req.Grid.PMaxExp = float32(*pMaxExp)
}
}

Expand Down
Loading