diff --git a/src/factories/Factory.ts b/src/factories/Factory.ts
index d06109eb..fae6ebd6 100644
--- a/src/factories/Factory.ts
+++ b/src/factories/Factory.ts
@@ -1,7 +1,16 @@
 import type { JSONContent } from '@tiptap/react';
 import type { LogisticType } from '@/recipes/logistics/LogisticTypes';
 
-export type FactoryProgressStatus = 'draft' | 'todo' | 'in_progress' | 'done';
+export type FactoryProgressStatus =
+  | 'draft'
+  | 'todo'
+  | 'in_progress'
+  | 'done'
+  | 'disabled';
+
+export const isFactoryDisabled = (
+  factory: Pick<Factory, 'progress'> | null | undefined,
+) => factory?.progress === 'disabled';
 
 export interface Factory {
   id: string;
diff --git a/src/factories/charts/graph/useFactoriesGraph.tsx b/src/factories/charts/graph/useFactoriesGraph.tsx
index 82c99c36..0276cd5b 100644
--- a/src/factories/charts/graph/useFactoriesGraph.tsx
+++ b/src/factories/charts/graph/useFactoriesGraph.tsx
@@ -12,15 +12,21 @@ export function useFactoriesGraph() {
     const nodes: Node<IFactoryNodeData>[] = [];
     const edges: Edge<IInputEdgeData>[] = [];
 
+    const disabledIds = new Set(
+      factories.filter(f => f?.progress === 'disabled').map(f => f!.id),
+    );
+
     const maxInputAmount =
       max(
-        factories.flatMap(
-          factory => factory?.inputs?.map(input => input.amount ?? 0) ?? [],
-        ),
+        factories
+          .filter(f => f && f.progress !== 'disabled')
+          .flatMap(
+            factory => factory?.inputs?.map(input => input.amount ?? 0) ?? [],
+          ),
       ) ?? 1;
 
     for (const factory of factories) {
-      if (!factory) continue;
+      if (!factory || factory.progress === 'disabled') continue;
 
       nodes.push({
         id: factory.id,
@@ -38,6 +44,7 @@ export function useFactoriesGraph() {
       for (let i = 0; i < inputs.length; i++) {
         const input = inputs[i];
         if (!input.factoryId) continue;
+        if (disabledIds.has(input.factoryId)) continue;
 
         edges.push({
           id: `${factory.id}-i${i}`,
diff --git a/src/factories/charts/sankey/FactoriesSankeyChart.tsx b/src/factories/charts/sankey/FactoriesSankeyChart.tsx
index bae9308c..a21fef7b 100644
--- a/src/factories/charts/sankey/FactoriesSankeyChart.tsx
+++ b/src/factories/charts/sankey/FactoriesSankeyChart.tsx
@@ -43,8 +43,12 @@ export function FactoriesSankeyChart(props: IFactoriesSankeyChartProps) {
     nodes: SankeyNode[];
     links: SankeyLink[];
   } = useMemo(() => {
+    const disabledIds = new Set(
+      factories.filter(f => f.progress === 'disabled').map(f => f.id),
+    );
+
     const nodes: SankeyNode[] = factories
-      .filter(f => f.name)
+      .filter(f => f.name && f.progress !== 'disabled')
       .map(f => ({
         id: f.name!,
         _originalId: f.id,
@@ -55,17 +59,22 @@ export function FactoriesSankeyChart(props: IFactoriesSankeyChartProps) {
       _originalId: 'WORLD',
     });
 
-    const links: SankeyLink[] = factories.flatMap(target => {
-      return (target.inputs ?? [])
-        .filter(i => i.factoryId && target.name)
-        .map(input => ({
-          source: nodes.find(n => n._originalId === input.factoryId)?.id ?? '',
-          target: target.name!,
-          value: input.amount ?? 0,
-          resourceLabel: getResourceName(input.resource ?? ''),
-        }))
-        .filter(l => l.source !== l.target);
-    });
+    const links: SankeyLink[] = factories
+      .filter(target => target.progress !== 'disabled')
+      .flatMap(target => {
+        return (target.inputs ?? [])
+          .filter(
+            i => i.factoryId && target.name && !disabledIds.has(i.factoryId),
+          )
+          .map(input => ({
+            source:
+              nodes.find(n => n._originalId === input.factoryId)?.id ?? '',
+            target: target.name!,
+            value: input.amount ?? 0,
+            resourceLabel: getResourceName(input.resource ?? ''),
+          }))
+          .filter(l => l.source !== l.target);
+      });
 
     return { nodes, links };
   }, [factories]);
diff --git a/src/factories/components/peek/OutputDependenciesPeekModal.tsx b/src/factories/components/peek/OutputDependenciesPeekModal.tsx
index 30c3bcf8..e5ba719f 100644
--- a/src/factories/components/peek/OutputDependenciesPeekModal.tsx
+++ b/src/factories/components/peek/OutputDependenciesPeekModal.tsx
@@ -1,6 +1,8 @@
 import { ActionIcon, Modal, Tooltip } from '@mantine/core';
 import { useDisclosure } from '@mantine/hooks';
 import { IconEye } from '@tabler/icons-react';
+import { useEffect } from 'react';
+import { useLocation } from 'react-router-dom';
 import type { FactoryOutput } from '@/factories/Factory';
 import { OutputDependenciesTable } from './OutputDependenciesTable';
 
@@ -13,6 +15,12 @@ export function OutputDependenciesPeekModal(
   props: IOutputDependenciesPeekModalProps,
 ) {
   const [opened, { open, close }] = useDisclosure(false);
+  const { pathname } = useLocation();
+
+  // biome-ignore lint/correctness/useExhaustiveDependencies: close modal on route change
+  useEffect(() => {
+    close();
+  }, [pathname]);
 
   return (
     <div>
diff --git a/src/factories/components/peek/OutputDependenciesTable.tsx b/src/factories/components/peek/OutputDependenciesTable.tsx
index b44c5cf4..6ce949d4 100644
--- a/src/factories/components/peek/OutputDependenciesTable.tsx
+++ b/src/factories/components/peek/OutputDependenciesTable.tsx
@@ -17,10 +17,12 @@ export function OutputDependenciesTable(props: IOutputDependenciesTableProps) {
   const factoriesUsingOutput = useShallowStore(state =>
     state.games.games[state.games.selected ?? '']?.factoriesIds
       .map(id => state.factories.factories[id])
-      .filter(factory =>
-        factory?.inputs?.some(
-          i => i.resource === output.resource && i.factoryId === factoryId,
-        ),
+      .filter(
+        factory =>
+          factory?.progress !== 'disabled' &&
+          factory?.inputs?.some(
+            i => i.resource === output.resource && i.factoryId === factoryId,
+          ),
       ),
   );
 
diff --git a/src/factories/components/progressProperties.ts b/src/factories/components/progressProperties.ts
index 8b4dbc69..96733eb8 100644
--- a/src/factories/components/progressProperties.ts
+++ b/src/factories/components/progressProperties.ts
@@ -2,6 +2,7 @@ import type { MantineColor } from '@mantine/core';
 import {
   IconCircle,
   IconCircleCheck,
+  IconPlayerPause,
   IconProgress,
   IconProgressHelp,
   type IconProps,
@@ -37,4 +38,9 @@ export const progressProperties: Record<
     label: 'Done',
     Icon: IconCircleCheck,
   },
+  disabled: {
+    color: 'red',
+    label: 'Disabled',
+    Icon: IconPlayerPause,
+  },
 };
diff --git a/src/factories/components/usage/useOutputUsage.tsx b/src/factories/components/usage/useOutputUsage.tsx
index 1a53a15e..e68ad87e 100644
--- a/src/factories/components/usage/useOutputUsage.tsx
+++ b/src/factories/components/usage/useOutputUsage.tsx
@@ -6,21 +6,26 @@ import type { IFactoryUsageProps } from './FactoryUsage';
 export function useOutputUsage(
   options: Pick<IFactoryUsageProps, 'factoryId' | 'output'>,
 ) {
-  const producedAmount = useStore(state =>
-    options.factoryId === WORLD_SOURCE_ID
-      ? getWorldResourceMax(options.output)
-      : Math.max(
-          state.factories.factories[options.factoryId ?? '']?.outputs
-            ?.filter(o => o?.resource === options.output)
-            .reduce((sum, o) => sum + (o?.amount ?? 0), 0) ?? 0,
-          0,
-        ),
-  );
+  const producedAmount = useStore(state => {
+    if (options.factoryId === WORLD_SOURCE_ID) {
+      return getWorldResourceMax(options.output);
+    }
+    const source = state.factories.factories[options.factoryId ?? ''];
+    if (source?.progress === 'disabled') return 0;
+    return Math.max(
+      source?.outputs
+        ?.filter(o => o?.resource === options.output)
+        .reduce((sum, o) => sum + (o?.amount ?? 0), 0) ?? 0,
+      0,
+    );
+  });
 
   const usedAmount = useStore(
     state =>
       state.games.games[state.games.selected ?? '']?.factoriesIds
-        .flatMap(id => state.factories.factories[id]?.inputs)
+        .map(id => state.factories.factories[id])
+        .filter(f => f && f.progress !== 'disabled')
+        .flatMap(f => f!.inputs)
         .filter(
           i =>
             i?.resource === options.output &&
diff --git a/src/factories/details/ProductionView.tsx b/src/factories/details/ProductionView.tsx
index b4bb8f15..6ad4f1d9 100644
--- a/src/factories/details/ProductionView.tsx
+++ b/src/factories/details/ProductionView.tsx
@@ -1,5 +1,6 @@
 import { type Path, setByPath } from '@clickbar/dot-diver';
 import {
+  ActionIcon,
   Alert,
   Button,
   Container,
@@ -10,7 +11,12 @@ import {
   Text,
   TextInput,
 } from '@mantine/core';
-import { IconBulb, IconCalculator } from '@tabler/icons-react';
+import {
+  IconBulb,
+  IconCalculator,
+  IconPlayerPause,
+  IconX,
+} from '@tabler/icons-react';
 import { useCallback } from 'react';
 import { Link } from 'react-router-dom';
 import { useFormOnChange } from '@/core/form/useFormOnChange';
@@ -46,6 +52,10 @@ const progressValues: { value: FactoryProgressStatus; label: string }[] = [
     value: 'done',
     label: 'Done',
   },
+  {
+    value: 'disabled',
+    label: 'Disabled',
+  },
 ];
 
 export const ProductionView = ({ id }: { id: string }) => {
@@ -63,6 +73,9 @@ export const ProductionView = ({ id }: { id: string }) => {
   const hasSolverLayout = useStore(
     state => !!state.solvers.instances[id]?.layout,
   );
+  const readyToPlanHintDismissed = useStore(
+    state => state.factoryView.readyToPlanHintDismissed ?? false,
+  );
   const hasConfiguredOutputs = outputs.some(
     o => o.resource != null && (o.amount ?? 0) > 0,
   );
@@ -72,30 +85,65 @@ export const ProductionView = ({ id }: { id: string }) => {
     <Container size="lg" data-tutorial-id="factory-detail">
       <Group gap="xl" align="start" py="xl">
         <Stack gap="lg" style={{ flexGrow: 1 }}>
-          {hasConfiguredOutputs && !hasSolverLayout && (
+          {factory.progress === 'disabled' && (
             <Alert
-              icon={<IconBulb size={18} />}
-              color="cyan"
+              icon={<IconPlayerPause size={18} />}
+              color="red"
               variant="light"
-              title="Ready to plan?"
+              title="Factory disabled"
             >
-              <Group gap="xs" align="center">
-                <Text size="sm">
-                  Use the Calculator to compute your optimal production chain.
-                </Text>
-                <Button
-                  component={Link}
-                  to={`/factories/${id}/calculator`}
-                  size="xs"
-                  color="cyan"
-                  variant="filled"
-                  leftSection={<IconCalculator size={14} />}
-                >
-                  Open Calculator
-                </Button>
-              </Group>
+              This factory is disabled. Its inputs and outputs are excluded from
+              global usage totals, dependency tables, and charts. Change the
+              Progress to re-enable it.
             </Alert>
           )}
+          {hasConfiguredOutputs &&
+            !hasSolverLayout &&
+            !readyToPlanHintDismissed && (
+              <Alert
+                icon={<IconBulb size={18} />}
+                color="cyan"
+                variant="light"
+                title="Ready to plan?"
+                withCloseButton={false}
+              >
+                <Group
+                  gap="xs"
+                  align="center"
+                  justify="space-between"
+                  wrap="nowrap"
+                >
+                  <Group gap="xs" align="center">
+                    <Text size="sm">
+                      Use the Calculator to compute your optimal production
+                      chain.
+                    </Text>
+                    <Button
+                      component={Link}
+                      to={`/factories/${id}/calculator`}
+                      size="xs"
+                      color="cyan"
+                      variant="filled"
+                      leftSection={<IconCalculator size={14} />}
+                    >
+                      Open Calculator
+                    </Button>
+                  </Group>
+                  <ActionIcon
+                    variant="subtle"
+                    color="cyan"
+                    aria-label="Dismiss"
+                    onClick={() =>
+                      useStore.getState().updateFactoryView(s => {
+                        s.readyToPlanHintDismissed = true;
+                      })
+                    }
+                  >
+                    <IconX size={16} />
+                  </ActionIcon>
+                </Group>
+              </Alert>
+            )}
           <Stack gap="sm" data-tutorial-id="factory-inputs">
             <Text size="lg">Inputs</Text>
             <Stack gap="xs">
diff --git a/src/factories/list/FactoryGridCard.tsx b/src/factories/list/FactoryGridCard.tsx
index 4c68202c..6e084e9b 100644
--- a/src/factories/list/FactoryGridCard.tsx
+++ b/src/factories/list/FactoryGridCard.tsx
@@ -37,7 +37,14 @@ export function FactoryGridCard(props: IFactoryGridCard) {
   }
 
   return (
-    <Card key={id} withBorder component={Link} to={id} className={classes.card}>
+    <Card
+      key={id}
+      withBorder
+      component={Link}
+      to={id}
+      className={classes.card}
+      style={{ opacity: factory.progress === 'disabled' ? 0.55 : 1 }}
+    >
       <Group justify="space-between" align="center" wrap="nowrap">
         <Stack
           justify="space-between"
diff --git a/src/factories/list/FactoryRow.tsx b/src/factories/list/FactoryRow.tsx
index 05b395f3..c9ac4a16 100644
--- a/src/factories/list/FactoryRow.tsx
+++ b/src/factories/list/FactoryRow.tsx
@@ -62,7 +62,11 @@ export function FactoryRow(props: IFactoryRowProps) {
   }
 
   return (
-    <Card key={id} withBorder>
+    <Card
+      key={id}
+      withBorder
+      style={{ opacity: factory.progress === 'disabled' ? 0.55 : 1 }}
+    >
       <Group gap="sm" align="flex-start" justify="space-between">
         <Group gap="sm" align="flex-start">
           <Group gap={2}>
diff --git a/src/factories/store/factoryViewSlice.ts b/src/factories/store/factoryViewSlice.ts
index bd8f3acd..612e60fb 100644
--- a/src/factories/store/factoryViewSlice.ts
+++ b/src/factories/store/factoryViewSlice.ts
@@ -6,6 +6,7 @@ export interface FactoryViewSlice {
   filterResource: string | null;
   sortBy: 'name';
   viewMode: 'spreadsheet' | 'kanban' | 'grid';
+  readyToPlanHintDismissed?: boolean;
 }
 
 export const factoryViewSlice = createSlice({
@@ -15,6 +16,7 @@ export const factoryViewSlice = createSlice({
     filterResource: null,
     sortBy: 'name',
     viewMode: 'spreadsheet',
+    readyToPlanHintDismissed: false,
   } as FactoryViewSlice,
   actions: {
     updateFactoryView:
diff --git a/src/tutorial/chapters/factoryBasicsChapter.ts b/src/tutorial/chapters/factoryBasicsChapter.ts
index b457261a..780be3c9 100644
--- a/src/tutorial/chapters/factoryBasicsChapter.ts
+++ b/src/tutorial/chapters/factoryBasicsChapter.ts
@@ -71,7 +71,7 @@ export const factoryBasicsChapter: TutorialChapter = {
           element: '[data-tutorial-id="factory-properties"]',
           popover: {
             title: 'Name & build status',
-            description: `Every factory has a name and a build status. I named this one "${DEMO_NAME}" and set its status to “Todo”. The status tracks whether a factory is just planned, being built, or already running, and it is also what powers the columns in the Kanban view of the Factories list.`,
+            description: `Every factory has a name and a build status. I named this one "${DEMO_NAME}" and set its status to “Todo”. The status tracks whether a factory is just planned, being built, or already running, and it is also what powers the columns in the Kanban view of the Factories list. Set a factory to “Disabled” to temporarily power it down — it stays here but is excluded from global usage totals and charts, and is hidden from the Kanban board.`,
             side: 'left',
           },
           onHighlightStarted: () => {