diff --git a/gsy_framework/sim_results/pv_roi.py b/gsy_framework/sim_results/pv_roi.py
new file mode 100644
index 00000000..4437a02b
--- /dev/null
+++ b/gsy_framework/sim_results/pv_roi.py
@@ -0,0 +1,31 @@
+from typing import Dict
+
+
+class PVROI:
+    """
+    Class that calculates the Return on Investment (ROI), annual cash flow,
+    and payback period for a PV asset based on the simulation results.
+    """
+
+    def __init__(self):
+        pass
+
+    def process_area(self, area):
+        print("area", area)
+        for area in area["children"]:
+            if area["type"] == "PVStrategy":
+                print("hey", area)
+            elif hasattr(area, "children"):
+                self.process_area(area)
+
+    def summary_25_years(self):
+        """
+        Returns payback period, balance, yearly revenue and profit over a 25-year period.
+        """
+        summary = {
+            "payback_years": 0,
+            "final_balance": 0,
+            "yearly_revenue": 0,
+            "year_to_profit": [{2025: 0}],
+        }
+        return summary
diff --git a/tests/test_sim_results/constants.py b/tests/test_sim_results/constants.py
index 89880993..e0621be8 100644
--- a/tests/test_sim_results/constants.py
+++ b/tests/test_sim_results/constants.py
@@ -4,6 +4,40 @@
 
 current_market_slot = datetime(2023, 1, 23, 15)
 
+TEST_AREA_SETUP_PV_ONLY = {
+    "name": "Grid",
+    "children": [
+        {
+            "name": "House 2",
+            "children": [
+                {
+                    "name": "H2 PV",
+                    "uuid": "83c25853-4bdc-486d-9549-68178d6b7546",
+                    "strategy": {
+                        "type": "PVStrategy",
+                        "kwargs": {
+                            "panel_count": 1,
+                            "capacity_kW": 1,
+                            "fit_to_limit": True,
+                            "update_interval": 60,
+                            "initial_selling_rate": 80,
+                            "final_selling_rate": 0,
+                            "energy_rate_decrease_per_update": None,
+                            "use_market_maker_rate": False,
+                            "price_installation_per_kW": 100,
+                        },
+                    },
+                    "display_type": "PVStrategy",
+                },
+            ],
+            "uuid": "a8ff7ec0-3d15-4139-8801-ccea3cc3dd3f",
+            "display_type": "Area",
+        },
+    ],
+    "uuid": "5a53cc1d-121b-4ce1-8c09-ac8a689843b6",
+    "display_type": "Area",
+}
+
 TEST_AREA_RESULTS_DICT = {
     "name": "Grid",
     "uuid": "70b818d1-491f-49ca-8566-1334eec06f15",
diff --git a/tests/test_sim_results/test_pv_roi.py b/tests/test_sim_results/test_pv_roi.py
new file mode 100644
index 00000000..a5a6e727
--- /dev/null
+++ b/tests/test_sim_results/test_pv_roi.py
@@ -0,0 +1,32 @@
+from math import isclose
+
+from gsy_framework.constants_limits import (
+    FLOATING_POINT_TOLERANCE,
+)
+from gsy_framework.sim_results.pv_roi import (
+    PVROI,
+)
+from tests.test_sim_results.constants import (
+    TEST_AREA_SETUP_PV_ONLY,
+)
+
+
+class TestPVROI:
+    # pylint: disable=attribute-defined-outside-init
+
+    def setup_method(self):
+        self.area_setup = TEST_AREA_SETUP_PV_ONLY
+
+    def test_carbon_emissions_from_gsy_trade_profile_calculates_correctly(
+        self,
+    ):
+        # Given
+        pv_roi = PVROI()
+
+        # When
+        pv_roi = pv_roi.process_area(area=self.area_setup)
+
+        # Then
+        # assert isclose(
+        #     carbon_emissions["carbon_generated_g"], 417.004, abs_tol=FLOATING_POINT_TOLERANCE
+        # )