[BUG] Schneider Exxact Wiser outlet reporting W & Wh a factor 1000 off

[ptrrkssn]

Describe the bug
Schneider Exxact Wiser outlet seems to report W and Wh a factor 1000 off (or HA/ZHA seems to think so at least). Ie a 900W load is reported as 900kW

To Reproduce
Steps to reproduce the behavior:
Plug in an 600-900W electrical element into the outlet, check the power usage in Home Assistant for the device...

Expected behavior
W & Wh numbers displayed a factor 1000 less.. In the screenshot below it should be 881W not 881840W...

Screenshots

Device signature

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{
  "node_descriptor": "NodeDescriptor(logical_type=<LogicalType.Router: 1>, complex_descriptor_available=0, user_descriptor_available=0, reserved=0, aps_flags=0, frequency_band=<FrequencyBand.Freq2400MHz: 8>, mac_capability_flags=<MACCapabilityFlags.AllocateAddress|RxOnWhenIdle|MainsPowered|FullFunctionDevice: 142>, manufacturer_code=4190, maximum_buffer_size=82, maximum_incoming_transfer_size=82, server_mask=11264, maximum_outgoing_transfer_size=82, descriptor_capability_field=<DescriptorCapability.NONE: 0>, *allocate_address=True, *is_alternate_pan_coordinator=False, *is_coordinator=False, *is_end_device=False, *is_full_function_device=True, *is_mains_powered=True, *is_receiver_on_when_idle=True, *is_router=True, *is_security_capable=False)",
  "endpoints": {
    "6": {
      "profile_id": 260,
      "device_type": "0x0009",
      "in_clusters": [
        "0x0000",
        "0x0003",
        "0x0004",
        "0x0005",
        "0x0006",
        "0x0702",
        "0x0708",
        "0x0b04",
        "0x0b05",
        "0xfc04"
      ],
      "out_clusters": [
        "0x0019"
      ]
    },
    "242": {
      "profile_id": 41440,
      "device_type": "0x0061",
      "in_clusters": [],
      "out_clusters": [
        "0x0021"
      ]
    }
  },
  "manufacturer": "Schneider Electric",
  "model": "SOCKET/OUTLET/2",
  "class": "zigpy.device.Device"
}

Diagnostic information

{
  "home_assistant": {
    "installation_type": "Home Assistant OS",
    "version": "2022.11.1",
    "dev": false,
    "hassio": true,
    "virtualenv": false,
    "python_version": "3.10.7",
    "docker": true,
    "arch": "x86_64",
    "timezone": "Europe/Stockholm",
    "os_name": "Linux",
    "os_version": "5.15.74",
    "supervisor": "2022.10.2",
    "host_os": "Home Assistant OS 9.3",
    "docker_version": "20.10.18",
    "chassis": "embedded",
    "run_as_root": true
  },
  "custom_components": {
    "nordpool": {
      "version": "0.0.7",
      "requirements": [
        "nordpool>=0.2"
      ]
    },
    "programmable_thermostat": {
      "version": "8.1",
      "requirements": []
    },
    "scheduler": {
      "version": "v0.0.0",
      "requirements": []
    },
    "hacs": {
      "version": "1.28.2",
      "requirements": [
        "aiogithubapi>=22.2.4"
      ]
    }
  },
  "integration_manifest": {
    "domain": "zha",
    "name": "Zigbee Home Automation",
    "config_flow": true,
    "documentation": "https://www.home-assistant.io/integrations/zha",
    "requirements": [
      "bellows==0.34.2",
      "pyserial==3.5",
      "pyserial-asyncio==0.6",
      "zha-quirks==0.0.84",
      "zigpy-deconz==0.19.0",
      "zigpy==0.51.5",
      "zigpy-xbee==0.16.2",
      "zigpy-zigate==0.10.3",
      "zigpy-znp==0.9.1"
    ],
    "usb": [
      {
        "vid": "10C4",
        "pid": "EA60",
        "description": "*2652*",
        "known_devices": [
          "slae.sh cc2652rb stick"
        ]
      },
      {
        "vid": "1A86",
        "pid": "55D4",
        "description": "*sonoff*plus*",
        "known_devices": [
          "sonoff zigbee dongle plus v2"
        ]
      },
      {
        "vid": "10C4",
        "pid": "EA60",
        "description": "*sonoff*plus*",
        "known_devices": [
          "sonoff zigbee dongle plus"
        ]
      },
      {
        "vid": "10C4",
        "pid": "EA60",
        "description": "*tubeszb*",
        "known_devices": [
          "TubesZB Coordinator"
        ]
      },
      {
        "vid": "1A86",
        "pid": "7523",
        "description": "*tubeszb*",
        "known_devices": [
          "TubesZB Coordinator"
        ]
      },
      {
        "vid": "1A86",
        "pid": "7523",
        "description": "*zigstar*",
        "known_devices": [
          "ZigStar Coordinators"
        ]
      },
      {
        "vid": "1CF1",
        "pid": "0030",
        "description": "*conbee*",
        "known_devices": [
          "Conbee II"
        ]
      },
      {
        "vid": "10C4",
        "pid": "8A2A",
        "description": "*zigbee*",
        "known_devices": [
          "Nortek HUSBZB-1"
        ]
      },
      {
        "vid": "0403",
        "pid": "6015",
        "description": "*zigate*",
        "known_devices": [
          "ZiGate+"
        ]
      },
      {
        "vid": "10C4",
        "pid": "EA60",
        "description": "*zigate*",
        "known_devices": [
          "ZiGate"
        ]
      },
      {
        "vid": "10C4",
        "pid": "8B34",
        "description": "*bv 2010/10*",
        "known_devices": [
          "Bitron Video AV2010/10"
        ]
      }
    ],
    "codeowners": [
      "@dmulcahey",
      "@adminiuga",
      "@puddly"
    ],
    "zeroconf": [
      {
        "type": "_esphomelib._tcp.local.",
        "name": "tube*"
      },
      {
        "type": "_zigate-zigbee-gateway._tcp.local.",
        "name": "*zigate*"
      },
      {
        "type": "_zigstar_gw._tcp.local.",
        "name": "*zigstar*"
      }
    ],
    "dependencies": [
      "file_upload"
    ],
    "after_dependencies": [
      "onboarding",
      "usb",
      "zeroconf"
    ],
    "iot_class": "local_polling",
    "loggers": [
      "aiosqlite",
      "bellows",
      "crccheck",
      "pure_pcapy3",
      "zhaquirks",
      "zigpy",
      "zigpy_deconz",
      "zigpy_xbee",
      "zigpy_zigate",
      "zigpy_znp"
    ],
    "is_built_in": true
  },
  "data": {
    "ieee": "**REDACTED**",
    "nwk": 32853,
    "manufacturer": "Schneider Electric",
    "model": "SOCKET/OUTLET/2",
    "name": "Schneider Electric SOCKET/OUTLET/2",
    "quirk_applied": false,
    "quirk_class": "zigpy.device.Device",
    "manufacturer_code": 4190,
    "power_source": "Mains",
    "lqi": 255,
    "rssi": -56,
    "last_seen": "2022-11-04T19:57:25",
    "available": true,
    "device_type": "Router",
    "signature": {
      "node_descriptor": "NodeDescriptor(logical_type=<LogicalType.Router: 1>, complex_descriptor_available=0, user_descriptor_available=0, reserved=0, aps_flags=0, frequency_band=<FrequencyBand.Freq2400MHz: 8>, mac_capability_flags=<MACCapabilityFlags.AllocateAddress|RxOnWhenIdle|MainsPowered|FullFunctionDevice: 142>, manufacturer_code=4190, maximum_buffer_size=82, maximum_incoming_transfer_size=82, server_mask=11264, maximum_outgoing_transfer_size=82, descriptor_capability_field=<DescriptorCapability.NONE: 0>, *allocate_address=True, *is_alternate_pan_coordinator=False, *is_coordinator=False, *is_end_device=False, *is_full_function_device=True, *is_mains_powered=True, *is_receiver_on_when_idle=True, *is_router=True, *is_security_capable=False)",
      "endpoints": {
        "6": {
          "profile_id": 260,
          "device_type": "0x0009",
          "in_clusters": [
            "0x0000",
            "0x0003",
            "0x0004",
            "0x0005",
            "0x0006",
            "0x0702",
            "0x0708",
            "0x0b04",
            "0x0b05",
            "0xfc04"
          ],
          "out_clusters": [
            "0x0019"
          ]
        },
        "242": {
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          "device_type": "0x0061",
          "in_clusters": [],
          "out_clusters": [
            "0x0021"
          ]
        }
      }
    },
    "active_coordinator": false,
    "entities": [
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        "entity_id": "button.schneider_electric_socket_outlet_2_identify",
        "name": "Schneider Electric SOCKET/OUTLET/2"
      },
      {
        "entity_id": "select.schneider_electric_socket_outlet_2_start_up_behavior",
        "name": "Schneider Electric SOCKET/OUTLET/2"
      },
      {
        "entity_id": "sensor.schneider_electric_socket_outlet_2_rms_current",
        "name": "Schneider Electric SOCKET/OUTLET/2"
      },
      {
        "entity_id": "sensor.schneider_electric_socket_outlet_2_rms_voltage",
        "name": "Schneider Electric SOCKET/OUTLET/2"
      },
      {
        "entity_id": "sensor.schneider_electric_socket_outlet_2_power_factor",
        "name": "Schneider Electric SOCKET/OUTLET/2"
      },
      {
        "entity_id": "sensor.schneider_electric_socket_outlet_2_instantaneous_demand",
        "name": "Schneider Electric SOCKET/OUTLET/2"
      },
      {
        "entity_id": "sensor.schneider_electric_socket_outlet_2_summation_delivered",
        "name": "Schneider Electric SOCKET/OUTLET/2"
      },
      {
        "entity_id": "switch.schneider_outlet_element",
        "name": "Schneider Electric SOCKET/OUTLET/2"
      }
    ],
    "neighbors": [
      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0x00A7",
        "permit_joining": "Unknown",
        "depth": "15",
        "lqi": "131"
      },
      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0x1E97",
        "permit_joining": "Unknown",
        "depth": "15",
        "lqi": "112"
      },
      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0x237B",
        "permit_joining": "Unknown",
        "depth": "15",
        "lqi": "47"
      },
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        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0x3A79",
        "permit_joining": "Unknown",
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        "lqi": "207"
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        "device_type": "Router",
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        "relationship": "Sibling",
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        "ieee": "**REDACTED**",
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      {
        "device_type": "Router",
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        "device_type": "Router",
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        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
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      },
      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0x9CFB",
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        "lqi": "176"
      },
      {
        "device_type": "Router",
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        "relationship": "Sibling",
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      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0xA38F",
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      },
      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0xA38F",
        "permit_joining": "Unknown",
        "depth": "15",
        "lqi": "128"
      },
      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Parent",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0xAAF9",
        "permit_joining": "Unknown",
        "depth": "15",
        "lqi": "142"
      },
      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0xCEB9",
        "permit_joining": "Unknown",
        "depth": "15",
        "lqi": "195"
      },
      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0xD7D9",
        "permit_joining": "Unknown",
        "depth": "15",
        "lqi": "184"
      },
      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0xDBE1",
        "permit_joining": "Unknown",
        "depth": "15",
        "lqi": "169"
      },
      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0xE698",
        "permit_joining": "Unknown",
        "depth": "15",
        "lqi": "167"
      },
      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0xF6C5",
        "permit_joining": "Unknown",
        "depth": "15",
        "lqi": "113"
      },
      {
        "device_type": "Router",
        "rx_on_when_idle": "On",
        "relationship": "Sibling",
        "extended_pan_id": "**REDACTED**",
        "ieee": "**REDACTED**",
        "nwk": "0xF922",
        "permit_joining": "Unknown",
        "depth": "15",
        "lqi": "128"
      }
    ],
    "endpoint_names": [
      {
        "name": "MAIN_POWER_OUTLET"
      },
      {
        "name": "unknown 97 device_type of 0xa1e0 profile id"
      }
    ],
    "user_given_name": "K\u00f6ket Elementuttaget",
    "device_reg_id": "40ea6971c90041fd695ac249e530cc4b",
    "area_id": "kitchen",
    "cluster_details": {
      "6": {
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          "id": 9
        },
        "profile_id": 260,
        "in_clusters": {
          "0x0000": {
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            "attributes": {
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                "value": 255
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          },
          "0x0702": {
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            "attributes": {
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                "attribute_name": "status",
                "value": 0
              },
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                "attribute_name": "extended_status",
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              },
              "0x0207": {
                "attribute_name": "iambient_consumption_indicator",
                "value": 2
              },
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                "attribute_name": "unit_of_measure",
                "value": 0
              },
              "0x0301": {
                "attribute_name": "multiplier",
                "value": 1
              },
              "0x0302": {
                "attribute_name": "divisor",
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          "0x0b04": {
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                "attribute_name": "measurement_type",
                "value": 8
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              "0x0505": {
                "attribute_name": "rms_voltage",
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              },
              "0x0508": {
                "attribute_name": "rms_current",
                "value": 3695
              },
              "0x0602": {
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              "0x0603": {
                "attribute_name": "ac_current_divisor",
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            "unsupported_attributes": {
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                "attribute_name": "ac_frequency"
              },
              "0x0601": {
                "attribute_name": "ac_voltage_divisor"
              },
              "0x0302": {
                "attribute_name": "ac_frequency_max"
              },
              "0x0600": {
                "attribute_name": "ac_voltage_multiplier"
              },
              "0x0604": {
                "attribute_name": "ac_power_multiplier"
              },
              "0x0605": {
                "attribute_name": "ac_power_divisor"
              },
              "0x0401": {
                "attribute_name": "ac_frequency_divisor"
              },
              "0x0507": {
                "attribute_name": "rms_voltage_max"
              },
              "0x0400": {
                "attribute_name": "ac_frequency_multiplier"
              },
              "0x0403": {
                "attribute_name": "power_divisor"
              },
              "0x050a": {
                "attribute_name": "rms_current_max"
              },
              "0x050b": {
                "attribute_name": "active_power"
              },
              "0x050d": {
                "attribute_name": "active_power_max"
              },
              "0x050f": {
                "attribute_name": "apparent_power"
              },
              "0x0402": {
                "attribute_name": "power_multiplier"
              }
            }
          },
          "0x0b05": {
            "endpoint_attribute": "diagnostic",
            "attributes": {},
            "unsupported_attributes": {}
          },
          "0xfc04": {
            "endpoint_attribute": "manufacturer_specific",
            "attributes": {},
            "unsupported_attributes": {}
          }
        },
        "out_clusters": {
          "0x0019": {
            "endpoint_attribute": "ota",
            "attributes": {},
            "unsupported_attributes": {}
          }
        }
      },
      "242": {
        "device_type": {
          "name": "unknown",
          "id": 97
        },
        "profile_id": 41440,
        "in_clusters": {},
        "out_clusters": {
          "0x0021": {
            "endpoint_attribute": "green_power",
            "attributes": {},
            "unsupported_attributes": {}
          }
        }
      }
    }
  }
}

Additional logs

Paste any additional debug logs here.
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Additional context
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[javicalle]

Can you try to read from the cluster MeteringCluster (Endpoint id: 1, Id: 0x0702, Type: in) the attributes divisor (id: 0x0302) and multiplier (id: 0x0301)?

You can do it from the device view -> Admin Zigbee device --> Clusters
Select the cluster and attribute and push the "get attribute" button.

Once you get the values try to increasse the divisor value x1000.

[ptrrkssn]

Tried it now - divisor was set to 1000. multiplier to 1. Tried to change it but it seems to just revert back to the same values.

[javicalle]

My bad, the attributes are read only 🤦🏻‍♂️ :

It seems extrange to me because divisor already has the 1000 divisor value. Which Zigbee gateway are you using?

[ptrrkssn]

I'm using a ConBee II with the latest available firmware (0x26780700). (Connected via an extension cable to an Intel NUC running the updated HassOS/HA :-)

HA 2022.11.1
SUP 2022.10.2
OS 9.3
Frontend 20221102.1

[javicalle]

Have you tried to remove and pair the device again?
It seems that the value is already here so no clear to me if the quirk would work.

[ptrrkssn]

The device (devices actually, I have 3 of them, one I've had some time, and two new ones I just got) was recently paired, but I guess I can try to re-pair it.

[javicalle]

Is the same behavior in all three devices?

[ptrrkssn]

Yes, same on all three. Firmware 0x020612ff, sw_build_id 002.006.018 R

[javicalle]

I still believe that the problem must be elsewhere but if you want to try, there is a quirk for your device:

schneider_plug.py

"""Schneider Electric plugs quirks."""
from zigpy.profiles import zha
from zigpy.quirks import CustomCluster, CustomDevice
from zigpy.zcl.clusters.general import (
    Basic,
    GreenPowerProxy,
    Groups,
    Identify,
    OnOff,
    Ota,
    Scenes,
)
from zigpy.zcl.clusters.homeautomation import Diagnostic, ElectricalMeasurement
from zigpy.zcl.clusters.smartenergy import DeviceManagement, Metering

from zhaquirks.const import (
    DEVICE_TYPE,
    ENDPOINTS,
    INPUT_CLUSTERS,
    MODELS_INFO,
    OUTPUT_CLUSTERS,
    PROFILE_ID,
)


class MeteringCluster(CustomCluster, Metering):
    """Fix the Metering divisor."""

    MULTIPLIER = 0x0301
    DIVISOR = 0x0302
    _CONSTANT_ATTRIBUTES = {MULTIPLIER: 1, DIVISOR: 1000000}


class SocketOutlet2(CustomDevice):
    """Schneider Electric Socket outlet 2."""

    signature = {
        MODELS_INFO: [("Schneider Electric", "SOCKET/OUTLET/2")],
        ENDPOINTS: {
            6: {
                # "profile_id": 260,
                # "device_type": "0x0009",
                # "in_clusters": ["0x0000","0x0003","0x0004","0x0005","0x0006","0x0702","0x0708","0x0b04","0x0b05","0xfc04"],
                # "out_clusters": ["0x0019"]
                PROFILE_ID: 0x0104,
                DEVICE_TYPE: zha.DeviceType.MAIN_POWER_OUTLET,
                INPUT_CLUSTERS: [
                    Basic.cluster_id,
                    Identify.cluster_id,
                    Groups.cluster_id,
                    Scenes.cluster_id,
                    OnOff.cluster_id,
                    Metering.cluster_id,
                    DeviceManagement.cluster_id,
                    ElectricalMeasurement.cluster_id,
                    Diagnostic.cluster_id,
                    0xFC04,
                ],
                OUTPUT_CLUSTERS: [Ota.cluster_id],
            },
            242: {
                # "profile_id": 41440,
                # "device_type": "0x0061",
                # "in_clusters": [],
                # "out_clusters": ["0x0021"]
                PROFILE_ID: 41440,
                DEVICE_TYPE: 97,
                INPUT_CLUSTERS: [],
                OUTPUT_CLUSTERS: [GreenPowerProxy.cluster_id],
            },
        },
    }

    replacement = {
        ENDPOINTS: {
            6: {
                PROFILE_ID: 0x0104,
                DEVICE_TYPE: zha.DeviceType.MAIN_POWER_OUTLET,
                INPUT_CLUSTERS: [
                    Basic.cluster_id,
                    Identify.cluster_id,
                    Groups.cluster_id,
                    Scenes.cluster_id,
                    OnOff.cluster_id,
                    MeteringCluster,
                    DeviceManagement.cluster_id,
                    ElectricalMeasurement.cluster_id,
                    Diagnostic.cluster_id,
                    0xFC04,
                ],
                OUTPUT_CLUSTERS: [Ota.cluster_id],
            },
            242: {
                PROFILE_ID: 41440,
                DEVICE_TYPE: 97,
                INPUT_CLUSTERS: [],
                OUTPUT_CLUSTERS: [GreenPowerProxy.cluster_id],
            },
        },
    }

You will need to enable the local quirk in your instalation. There is a guide about enabling custom quirks:

• Editing (ZHA) quirks in a (HA) container or local. #693 (comment)

Create in your local quirk folder a new schneider_plug.py file and put the suggested quirk in file.

Restart HA, remove and pair you device again.
Check that the device is loading the quirk and that the device signature has changed.

[javicalle]

Maybe related to: #1705

[ptrrkssn]

With that local quirk installed and the devices re-paired the Instantaneous Demand (W) figure is right (881W), however I wonder if not the Summation Delivered now becomes a factor 1000 too low instead - which was correct before.

I wonder if we're chasing the wrong thing and perhaps it's the ZCL_ATTR_METERING_SUMMATION_FORMATTING and ZCL_ATTR_METERING_DEMAND_FORMATTING attributes that isn't used correctly somewhere? I'm no Zigbee expert so this might be totally wrong but...

Summation formatting has the value "bitmap8.64|8|2|1" and Demand Formatting has "none" when I try to read them.

If I read the zcl metering cluster documentation correctly that should mean 01001011 =
0 = do not suppress leading zeros
1 = ?
001 = 1 digit to the right of decimal point
011 = 3 digits to the left of the decimal point

The instantaneous_demand attribute value is 873311 and current_summ_delivered is 1200 right now.

A reasonable interpretation of those numbers at 873.311 W and 1.2 kWH (seems reasonable since I re-pair:ed it)

[javicalle]

With that local quirk installed and the devices re-paired the Instantaneous Demand (W) figure is right (881W), however I wonder if not the Summation Delivered now becomes a factor 1000 too low instead - which was correct before.

That makes sense because instantaneous_demand and current_summ_delivered are afected by the same multiplier and divisor:

• https://github.com/zigpy/zigpy/blob/8a2c7548065367d7e94ddf5857652ca1cd087e70/zigpy/zcl/clusters/smartenergy.py#L190-L191

If I read the zcl metering cluster documentation correctly that should mean 01001011 =
0 = do not suppress leading zeros
1 = ?
001 = 1 digit to the right of decimal point
011 = 3 digits to the left of the decimal point

According to (i.e.) ZHA:

• https://github.com/home-assistant/core/blob/bc146a09dba6df6eaec429039f6e1efcfbd1123f/homeassistant/components/zha/core/channels/smartenergy.py#L194-L200

That would be like (but don't sure because not make sense to me with the result 🤷🏻‍♂️):
0 = do not suppress leading zeros
1001 = 9 digits to the left of decimal point (bits 3-6)
011 = 3 digits to the right of the decimal point (bits 0-2)

There are a few examples here:

• https://zigbeealliance.org/wp-content/uploads/2019/11/docs-07-5356-19-0zse-zigbee-smart-energy-profile-specification.pdf#page=236&zoom=100,90,402

So, do you think we could have fixed it by just setting the demand_formatting?

Maybe with a little of trial and error we can get the right 'format'.

You can try with:

class MeteringCluster(CustomCluster, Metering):
    """Fix the Metering divisor."""

    MULTIPLIER = 0x0301
    DIVISOR = 0x0302
    DEMMAND_FORMATTING = 0x0304

    # _CONSTANT_ATTRIBUTES = {MULTIPLIER: 1, DIVISOR: 1000000}
    _CONSTANT_ATTRIBUTES = {DEMMAND_FORMATTING: 75}

[ptrrkssn]

Hmm.. Nope, doesn't work. It seems to ignore the demand_formatting stuff. I've been reading the core/homeassistant/components/zha/sensor.py code a bit to try to understand what's happening. A couple of observations:

class SmartEnergySummation, starting at line 472, unit_of_measure_map: 0x00 = ENERGY_KILO_WATT_HOUR
...

   def formatter(self, value: int) -> int | float:
        """Numeric pass-through formatter."""
        if self._channel.unit_of_measurement != 0:
            return self._channel.summa_formatter(value)

        cooked = float(self._channel.multiplier * value) / self._channel.divisor
        return round(cooked, 3)

class SmartEnergyMetering, starting at line 424, unit_of_measure_map: 0x00 = POWER_WATT
...

    def formatter(self, value: int) -> int | float:
        """Pass through channel formatter."""
        return self._channel.demand_formatter(value)

Notice here: no cooked-stuff with the multiplier/divisor! And unit_of_measurement is 0x00 so for Summation it will execute the cooked stuff and ignore the channel.summa_formatter, but for the Instantaneous Demand stuff it will call the demand_formatter.

Looking at the formatter code in smartenergy.py, line 213, it seems to assume that unit_of_measurement always means kW:

    def _formatter_function(
        self, selector: FormatSelector, value: int
    ) -> int | float | str:
        """Return formatted value for display."""
        value_float = value * self.multiplier / self.divisor
        if self.unit_of_measurement == 0:
            # Zigbee spec power unit is kW, but we show the value in W
            value_watt = value_float * 1000
            if value_watt < 100:
                return round(value_watt, 1)
            return round(value_watt)
        if selector == self.FormatSelector.SUMMATION:
            assert self._summa_format
            return self._summa_format.format(value_float).lstrip()
        assert self._format_spec
        return self._format_spec.format(value_float).lstrip()

This feels a bit wrong and I think that multiplication of value_float -> value_watt by 1000 should be removed, or the value sent to it divided by 1000 in sensor.py, or add similar code that checks unit_of_measurement that summation does - this one is probably easiest. I'm no Python programmer so I'm a bit unsure how to implement a quirk that overrides this though...

[ptrrkssn]

I modified the quirk with this and then re-pair:ed the outlet and now I get sane values for both Instantaneous Demand and Summation Delivered...

However I still think that the code in core/homeassistant/components/zha/sensor.py at line 424 is suspect and possibly should be fixed similar to the code at line 472.

class MeteringCluster(CustomCluster, Metering):
    """Fix the Instataneous Demand value."""

    INSTANTANEOUS_DEMAND = 0x0400

    def _update_attribute(self, attrid, value):
        if attrid == self.INSTANTANEOUS_DEMAND:
            value = value / 1000.0
        super()._update_attribute(attrid, value)
        

[dmulcahey]

What are you looking at in ZHA? https://github.com/home-assistant/core/blob/7614aba401ffd4041d9dac09344d37b7525c4685/homeassistant/components/zha/sensor.py#L424

The code from your block comment is from a quirk and not ZHA itself.