diff --git a/autoinstall-schema.json b/autoinstall-schema.json
index 1e78394d..1503dcb2 100644
--- a/autoinstall-schema.json
+++ b/autoinstall-schema.json
@@ -721,6 +721,13 @@
                     "type": "string"
                 }
             }
+        },
+        "shutdown": {
+            "type": "string",
+            "enum": [
+                "reboot",
+                "poweroff"
+            ]
         }
     },
     "required": [
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 29032463..6efa40b2 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -42,6 +42,7 @@ subiquity/common/filesystem/tests/test_actions.py
 subiquity/common/filesystem/tests/test_labels.py
 subiquity/common/filesystem/tests/test_manipulator.py
 subiquity/common/__init__.py
+subiquity/common/resources.py
 subiquity/common/serialize.py
 subiquity/common/tests/__init__.py
 subiquity/common/tests/test_serialization.py
@@ -72,8 +73,11 @@ subiquitycore/ssh.py
 subiquitycore/testing/__init__.py
 subiquitycore/testing/view_helpers.py
 subiquitycore/tests/__init__.py
+subiquitycore/tests/mocks.py
 subiquitycore/tests/test_netplan.py
+subiquitycore/tests/test_pubsub.py
 subiquitycore/tests/test_view.py
+subiquitycore/tests/util.py
 subiquitycore/tuicontroller.py
 subiquitycore/tui.py
 subiquitycore/ui/actionmenu.py
@@ -120,6 +124,7 @@ subiquity/models/tests/__init__.py
 subiquity/models/tests/test_filesystem.py
 subiquity/models/tests/test_mirror.py
 subiquity/models/tests/test_subiquity.py
+subiquity/models/timezone.py
 subiquity/models/updates.py
 subiquity/server/controller.py
 subiquity/server/controllers/cmdlist.py
@@ -135,21 +140,26 @@ subiquity/server/controllers/mirror.py
 subiquity/server/controllers/network.py
 subiquity/server/controllers/package.py
 subiquity/server/controllers/proxy.py
-subiquity/server/controllers/reboot.py
 subiquity/server/controllers/refresh.py
 subiquity/server/controllers/reporting.py
+subiquity/server/controllers/shutdown.py
 subiquity/server/controllers/snaplist.py
 subiquity/server/controllers/ssh.py
 subiquity/server/controllers/tests/test_keyboard.py
+subiquity/server/controllers/timezone.py
 subiquity/server/controllers/updates.py
 subiquity/server/controllers/userdata.py
 subiquity/server/controllers/zdev.py
 subiquity/server/dryrun.py
 subiquity/server/errors.py
+subiquity/server/geoip.py
 subiquity/server/__init__.py
 subiquity/server/server.py
+subiquity/server/tests/__init__.py
+subiquity/server/tests/test_geoip.py
 subiquity/tests/fakes.py
 subiquity/tests/__init__.py
+subiquity/tests/test_timezonecontroller.py
 subiquity/ui/frame.py
 subiquity/ui/__init__.py
 subiquity/ui/mount.py
diff --git a/subiquity/client/client.py b/subiquity/client/client.py
index 0f8a6303..d513ce38 100644
--- a/subiquity/client/client.py
+++ b/subiquity/client/client.py
@@ -252,7 +252,7 @@ class SubiquityClient(TuiApplication):
         elif event['SUBIQUITY_EVENT_TYPE'] == 'finish':
             print('finish: ' + event["MESSAGE"])
             context_name = event.get('SUBIQUITY_CONTEXT_NAME', '')
-            if context_name == 'subiquity/Reboot/reboot':
+            if context_name == 'subiquity/Shutdown/shutdown':
                 self.exit()
 
     async def connect(self):
diff --git a/subiquity/client/controllers/progress.py b/subiquity/client/controllers/progress.py
index c3dbafe2..fba00777 100644
--- a/subiquity/client/controllers/progress.py
+++ b/subiquity/client/controllers/progress.py
@@ -21,7 +21,10 @@ import aiohttp
 from subiquitycore.context import with_context
 
 from subiquity.client.controller import SubiquityTuiController
-from subiquity.common.types import ApplicationState
+from subiquity.common.types import (
+    ApplicationState,
+    ShutdownMode,
+    )
 from subiquity.ui.views.installprogress import (
     InstallRunning,
     ProgressView,
@@ -65,7 +68,7 @@ class ProgressController(SubiquityTuiController):
 
     async def send_reboot_and_wait(self):
         try:
-            await self.app.client.reboot.POST()
+            await self.app.client.shutdown.POST(mode=ShutdownMode.REBOOT)
         except aiohttp.ClientError:
             pass
         self.app.exit()
diff --git a/subiquity/common/apidef.py b/subiquity/common/apidef.py
index 9f564ecd..3bacac94 100644
--- a/subiquity/common/apidef.py
+++ b/subiquity/common/apidef.py
@@ -37,6 +37,7 @@ from subiquity.common.types import (
     IdentityData,
     NetworkStatus,
     RefreshStatus,
+    ShutdownMode,
     SnapInfo,
     SnapListResponse,
     SnapSelection,
@@ -235,8 +236,8 @@ class API:
         def GET() -> TimeZoneInfo: ...
         def POST(tz: str): ...
 
-    class reboot:
-        def POST(): ...
+    class shutdown:
+        def POST(mode: ShutdownMode, immediate: bool = False): ...
 
 
 class LinkAction(enum.Enum):
diff --git a/subiquity/common/types.py b/subiquity/common/types.py
index 6bbc6250..8461b11d 100644
--- a/subiquity/common/types.py
+++ b/subiquity/common/types.py
@@ -330,3 +330,8 @@ class SnapListResponse:
 class TimeZoneInfo:
     timezone: str
     from_geoip: bool
+
+
+class ShutdownMode(enum.Enum):
+    REBOOT = enum.auto()
+    POWEROFF = enum.auto()
diff --git a/subiquity/server/controllers/__init__.py b/subiquity/server/controllers/__init__.py
index a4498c11..3edbc7d4 100644
--- a/subiquity/server/controllers/__init__.py
+++ b/subiquity/server/controllers/__init__.py
@@ -25,9 +25,9 @@ from .mirror import MirrorController
 from .network import NetworkController
 from .package import PackageController
 from .proxy import ProxyController
-from .reboot import RebootController
 from .refresh import RefreshController
 from .reporting import ReportingController
+from .shutdown import ShutdownController
 from .snaplist import SnapListController
 from .ssh import SSHController
 from .timezone import TimeZoneController
@@ -50,9 +50,9 @@ __all__ = [
     'NetworkController',
     'PackageController',
     'ProxyController',
-    'RebootController',
     'RefreshController',
     'ReportingController',
+    'ShutdownController',
     'SnapListController',
     'SSHController',
     'TimeZoneController',
diff --git a/subiquity/server/controllers/reboot.py b/subiquity/server/controllers/shutdown.py
similarity index 54%
rename from subiquity/server/controllers/reboot.py
rename to subiquity/server/controllers/shutdown.py
index fe68a075..e82732b1 100644
--- a/subiquity/server/controllers/reboot.py
+++ b/subiquity/server/controllers/shutdown.py
@@ -23,42 +23,68 @@ from subiquitycore.context import with_context
 from subiquitycore.utils import arun_command, run_command
 
 from subiquity.common.apidef import API
+from subiquity.common.types import ShutdownMode
 from subiquity.server.controller import SubiquityController
 from subiquity.server.controllers.install import ApplicationState
 
 log = logging.getLogger("subiquity.controllers.restart")
 
 
-class RebootController(SubiquityController):
+class ShutdownController(SubiquityController):
 
-    endpoint = API.reboot
+    endpoint = API.shutdown
+    autoinstall_key = 'shutdown'
+    autoinstall_schema = {
+        'type': 'string',
+        'enum': ['reboot', 'poweroff']
+    }
 
     def __init__(self, app):
         super().__init__(app)
-        self.user_reboot_event = asyncio.Event()
-        self.rebooting_event = asyncio.Event()
+        # user_shutdown_event is set when the user requests the shutdown.
+        # server_reboot_event is set when the server is ready for shutdown
+        # shuttingdown_event is set when the shutdown has begun (so don't
+        # depend on anything actually happening after it is set, it's all a bag
+        # of races from that point!)
+        self.user_shutdown_event = asyncio.Event()
+        self.server_reboot_event = asyncio.Event()
+        self.shuttingdown_event = asyncio.Event()
+        self.mode = ShutdownMode.REBOOT
 
-    async def POST(self):
+    def load_autoinstall_data(self, data):
+        if data == 'reboot':
+            self.mode = ShutdownMode.REBOOT
+        elif data == 'poweroff':
+            self.mode = ShutdownMode.POWEROFF
+
+    async def POST(self, mode: ShutdownMode, immediate: bool = False):
+        self.mode = mode
         self.app.controllers.Install.stop_uu()
-        self.user_reboot_event.set()
-        await self.rebooting_event.wait()
+        self.user_shutdown_event.set()
+        if immediate:
+            self.server_reboot_event.set()
+        await self.shuttingdown_event.wait()
 
     def interactive(self):
         return self.app.interactive
 
     def start(self):
+        self.app.aio_loop.create_task(self._wait_install())
         self.app.aio_loop.create_task(self._run())
 
-    async def _run(self):
-        Install = self.app.controllers.Install
-        await Install.install_task
+    async def _wait_install(self):
+        await self.app.controllers.Install.install_task
         await self.app.controllers.Late.run_event.wait()
         await self.copy_logs_to_target()
+        self.server_reboot_event.set()
+
+    async def _run(self):
+        await self.server_reboot_event.wait()
         if self.app.interactive:
-            await self.user_reboot_event.wait()
-            self.reboot()
+            await self.user_shutdown_event.wait()
+            self.shutdown()
         elif self.app.state == ApplicationState.DONE:
-            self.reboot()
+            self.shutdown()
 
     @with_context()
     async def copy_logs_to_target(self, context):
@@ -80,12 +106,16 @@ class RebootController(SubiquityController):
         except Exception:
             log.exception("saving journal failed")
 
-    @with_context()
-    def reboot(self, context):
-        self.rebooting_event.set()
+    @with_context(description='mode={self.mode.name}')
+    def shutdown(self, context):
+        self.shuttingdown_event.set()
         if self.opts.dry_run:
             self.app.exit()
         else:
-            if platform.machine() == 's390x':
-                run_command(["chreipl", "/target/boot"])
-            run_command(["/sbin/reboot"])
+            if self.app.state == ApplicationState.DONE:
+                if platform.machine() == 's390x':
+                    run_command(["chreipl", "/target/boot"])
+            if self.mode == ShutdownMode.REBOOT:
+                run_command(["/sbin/reboot"])
+            elif self.mode == ShutdownMode.POWEROFF:
+                run_command(["/sbin/poweroff"])
diff --git a/subiquity/server/server.py b/subiquity/server/server.py
index e4743e7e..c4651e94 100644
--- a/subiquity/server/server.py
+++ b/subiquity/server/server.py
@@ -222,7 +222,7 @@ class SubiquityServer(Application):
         "Install",
         "Updates",
         "Late",
-        "Reboot",
+        "Shutdown",
         ]
 
     def make_model(self):
diff --git a/subiquitycore/context.py b/subiquitycore/context.py
index 0ed9c399..954ec041 100644
--- a/subiquitycore/context.py
+++ b/subiquitycore/context.py
@@ -131,7 +131,7 @@ def with_context(name=None, description="", **context_kw):
                 context = self.context
             kw['context'] = context.child(
                 name=name.format(**kw),
-                description=description.format(**kw),
+                description=description.format(self=self, **kw),
                 **context_kw)
             return kw