diff --git a/pkgs/development/python-modules/esios-api/default.nix b/pkgs/development/python-modules/esios-api/default.nix
new file mode 100644
index 000000000000..0679e5ecce2c
--- /dev/null
+++ b/pkgs/development/python-modules/esios-api/default.nix
@@ -0,0 +1,50 @@
+{
+  lib,
+  aiohttp,
+  buildPythonPackage,
+  fetchFromGitHub,
+  poetry-core,
+  pytest-asyncio,
+  pytest-cov-stub,
+  pytest-timeout,
+  pytestCheckHook,
+}:
+
+buildPythonPackage (finalAttrs: {
+  pname = "esios-api";
+  version = "4.4.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "chiro79";
+    repo = "esios-api";
+    tag = finalAttrs.version;
+    hash = "sha256-ZmU1D+W3ah4LUwgHwaS6NJpfKPLSRgIC8psUXTy/muM=";
+  };
+
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace-fail "poetry_core>=2.4.0" "poetry_core"
+  '';
+
+  build-system = [ poetry-core ];
+
+  dependencies = [ aiohttp ];
+
+  nativeCheckInputs = [
+    pytest-asyncio
+    pytest-cov-stub
+    pytest-timeout
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "esios_api" ];
+
+  meta = {
+    description = "Retrieval of Spanish Electricity hourly prices (PVPC)";
+    homepage = "https://github.com/chiro79/esios-api";
+    changelog = "https://github.com/chiro79/esios-api/releases/tag/${finalAttrs.src.tag}";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.jamiemagee ];
+  };
+})
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 0fc63c7c2aa2..d2aec790be38 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -5319,7 +5319,8 @@
       ];
     "pvpc_hourly_pricing" =
       ps: with ps; [
-      ]; # missing inputs: esios_api
+        esios-api
+      ];
     "pyload" =
       ps: with ps; [
         pyloadapi
@@ -8493,6 +8494,7 @@
     "pushbullet"
     "pushover"
     "pvoutput"
+    "pvpc_hourly_pricing"
     "pyload"
     "python_script"
     "qbittorrent"
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 489632a3e923..81d252345c2a 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5170,6 +5170,8 @@ self: super: with self; {
 
   eseries = callPackage ../development/python-modules/eseries { };
 
+  esios-api = callPackage ../development/python-modules/esios-api { };
+
   esp-idf-size = callPackage ../development/python-modules/esp-idf-size { };
 
   espeak-phonemizer = callPackage ../development/python-modules/espeak-phonemizer { };