diff --git a/CMakeLists_files.cmake b/CMakeLists_files.cmake
index 350030677..cd5a1b990 100644
--- a/CMakeLists_files.cmake
+++ b/CMakeLists_files.cmake
@@ -197,6 +197,7 @@ if(ENABLE_ECL_INPUT)
           python/cxx/parsecontext.cpp
           python/cxx/parser.cpp
           python/cxx/schedule.cpp
+          python/cxx/summary_state.cpp
           python/cxx/table_manager.cpp
           python/cxx/unit_system.cpp
           python/cxx/well.cpp
diff --git a/python/cxx/export.cpp b/python/cxx/export.cpp
index 46054e227..4eb46e5e3 100644
--- a/python/cxx/export.cpp
+++ b/python/cxx/export.cpp
@@ -19,6 +19,7 @@ void python::common::export_all(py::module& module) {
     export_UnitSystem(module);
     export_Log(module);
     export_IO(module);
+    export_SummaryState(module);
 }
 
 
diff --git a/python/cxx/export.hpp b/python/cxx/export.hpp
index 0dc60a142..154eebcbe 100644
--- a/python/cxx/export.hpp
+++ b/python/cxx/export.hpp
@@ -30,6 +30,7 @@ void export_TableManager(py::module& module);
 void export_Well(py::module& module);
 void export_Log(py::module& module);
 void export_IO(py::module& module);
+void export_SummaryState(py::module& module);
 }
 
 #endif //SUNBEAM_HPP
diff --git a/python/cxx/summary_state.cpp b/python/cxx/summary_state.cpp
new file mode 100644
index 000000000..a46ef1ff4
--- /dev/null
+++ b/python/cxx/summary_state.cpp
@@ -0,0 +1,55 @@
+/*
+  Copyright 2019 Equinor ASA.
+
+  This file is part of the Open Porous Media project (OPM).
+
+  OPM is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  OPM is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <chrono>
+
+#include <opm/parser/eclipse/EclipseState/Schedule/SummaryState.hpp>
+
+#include <pybind11/stl.h>
+#include <pybind11/chrono.h>
+#include "export.hpp"
+
+namespace {
+
+
+std::vector<std::string> groups(const SummaryState * st) {
+    return st->groups();
+}
+
+std::vector<std::string> wells(const SummaryState * st) {
+    return st->wells();
+}
+
+
+}
+
+
+void python::common::export_SummaryState(py::module& module) {
+
+    py::class_<SummaryState>(module, "SummaryState")
+        .def(py::init<std::chrono::system_clock::time_point>())
+        .def("update", &SummaryState::update)
+        .def("update_well_var", &SummaryState::update_well_var)
+        .def("update_group_var", &SummaryState::update_group_var)
+        .def("well_var", &SummaryState::get_well_var)
+        .def("group_var", &SummaryState::get_group_var)
+        .def("elapsed", &SummaryState::get_elapsed)
+        .def_property_readonly("groups", groups)
+        .def_property_readonly("wells", wells)
+        .def("__getitem__", &SummaryState::get);
+}
diff --git a/python/python/opm/_common.py b/python/python/opm/_common.py
index df593dfb3..d1a8298c6 100644
--- a/python/python/opm/_common.py
+++ b/python/python/opm/_common.py
@@ -19,6 +19,7 @@ from .libopmcommon_python import Schedule
 from .libopmcommon_python import OpmLog
 from .libopmcommon_python import SummaryConfig
 from .libopmcommon_python import EclFile, eclArrType
+from .libopmcommon_python import SummaryState
 
 #from .schedule            import Well, Connection, Schedule
 #from .config     import EclipseConfig
diff --git a/python/python/opm/io/sim/__init__.py b/python/python/opm/io/sim/__init__.py
new file mode 100644
index 000000000..1098038c5
--- /dev/null
+++ b/python/python/opm/io/sim/__init__.py
@@ -0,0 +1 @@
+from opm._common import SummaryState
diff --git a/python/setup.py b/python/setup.py
index e651b5a35..5f12da5c0 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -49,6 +49,7 @@ ext_modules = [
                 'cxx/parsecontext.cpp',
                 'cxx/parser.cpp',
                 'cxx/schedule.cpp',
+                'cxx/summary_state.cpp',
                 'cxx/table_manager.cpp',
                 'cxx/well.cpp',
                 'cxx/export.cpp'
diff --git a/python/tests/test_summarystate.py b/python/tests/test_summarystate.py
new file mode 100644
index 000000000..b41bedd8d
--- /dev/null
+++ b/python/tests/test_summarystate.py
@@ -0,0 +1,42 @@
+import datetime
+import unittest
+
+import opm.io.sim
+
+class TestSummaryState(unittest.TestCase):
+
+    def setUp(self):
+        pass
+
+    def test_create(self):
+        st = opm.io.sim.SummaryState(datetime.datetime.now())
+        st.update("FOPT", 100)
+        self.assertEqual(st["FOPT"], 100)
+
+
+        with self.assertRaises(IndexError):
+            x = st["FWPR"]
+
+        st.update_well_var("OP1", "WOPR", 100)
+        st.update_well_var("OP2", "WOPR", 200)
+        st.update_well_var("OP3", "WOPR", 300)
+        self.assertEqual(st.well_var("OP1", "WOPR"), 100)
+
+        st.update_group_var("G1", "GOPR", 100)
+        st.update_group_var("G2", "GOPR", 200)
+        st.update_group_var("G3", "GOPR", 300)
+        self.assertEqual(st.group_var("G3", "GOPR"), 300)
+
+        groups = st.groups
+        self.assertEqual(len(groups), 3)
+        self.assertTrue( "G1" in groups )
+        self.assertTrue( "G2" in groups )
+        self.assertTrue( "G3" in groups )
+
+        wells = st.wells
+        self.assertEqual(len(wells), 3)
+        self.assertTrue( "OP1" in wells )
+        self.assertTrue( "OP2" in wells )
+        self.assertTrue( "OP3" in wells )
+
+        el = st.elapsed()