diff --git a/sources/africa/zm/medium_voltage_overhead_gridlines.geojson b/sources/africa/zm/medium_voltage_overhead_gridlines.geojson
new file mode 100644
index 000000000..87fbfb98e
--- /dev/null
+++ b/sources/africa/zm/medium_voltage_overhead_gridlines.geojson
@@ -0,0 +1,152 @@
+{
+    "type": "Feature",
+    "properties": {
+        "id": "zm-medium-voltage-overhead-gridlines",
+        "name": "Medium voltage gridlines",
+        "type": "tms",
+        "url": "https://zmbgrid.zabop.workers.dev/{zoom}/{x}/{y}",
+        "overlay": true,
+        "country_code": "ZM",
+        "icon": "https://www.zesco.co.zm/assets/img/logo/new_logo_v2.png",
+        "max_zoom": 22,
+        "min_zoom": 7,
+        "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
+        "privacy_policy_url": "https://www.mapbox.com/legal/privacy",
+        "description": "Overhead medium voltage gridlines mapped by ZESCO in Zambia. Data and licence source: https://energydata.info/dataset/zambia-overhead-mv-distribution-lines. Data access date: 02-Nov-2024. Tiles were generated using Mapbox Studio. Requests are proxied through Cloudflare.",
+        "category": "other"
+    },
+    "geometry": {
+        "type": "Polygon",
+        "coordinates": [
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+}