diff --git a/.marketplace/devices/devices.yml b/.marketplace/devices/devices.yml
index a872ca54..d6d7057e 100644
--- a/.marketplace/devices/devices.yml
+++ b/.marketplace/devices/devices.yml
@@ -608,3 +608,13 @@
   blueprint_options:
     - blueprint: gas_sensors/igd_toc_635
       verification_level: verified
+
+- id: smappee_infinity
+  display_name: Smappee Infinity
+  description: All-in-one energy management system.
+  icon: enapter-home
+  vendor: igd
+  category: power_meters
+  blueprint_options:
+    - blueprint: power_meters/smappee_infinity
+      verification_level: verified
diff --git a/.marketplace/vendors/icons/smappee.png b/.marketplace/vendors/icons/smappee.png
new file mode 100644
index 00000000..ab27ecf2
Binary files /dev/null and b/.marketplace/vendors/icons/smappee.png differ
diff --git a/.marketplace/vendors/vendors.yml b/.marketplace/vendors/vendors.yml
index e35024b4..fa57baad 100644
--- a/.marketplace/vendors/vendors.yml
+++ b/.marketplace/vendors/vendors.yml
@@ -197,3 +197,8 @@
   display_name: International Gas Detectors Ltd
   icon_url: https://raw.githubusercontent.com/Enapter/marketplace/main/.marketplace/vendors/icons/igd.png
   website: https://www.internationalgasdetectors.com
+
+- id: smappee
+  display_name: Smappee
+  icon_url: https://raw.githubusercontent.com/Enapter/marketplace/main/.marketplace/vendors/icons/smappee.png
+  website: https://www.smappee.com/
diff --git a/power_meters/smappee_infinity/README.md b/power_meters/smappee_infinity/README.md
new file mode 100644
index 00000000..829f1ae3
--- /dev/null
+++ b/power_meters/smappee_infinity/README.md
@@ -0,0 +1,19 @@
+# Smappee Infinity
+
+This [Enapter Device Blueprint](https://go.enapter.com/marketplace-readme) integrates **Smappee Infinity** - Smart energy management solution for any energy need - via [HTTP API](https://go.enapter.com/developers-enapter-http) implemented on [Enapter Virtual UCM](https://go.enapter.com/handbook-vucm).
+
+## Connect to Enapter
+
+- Sign up to Enapter Cloud using [Web](https://cloud.enapter.com/) or mobile app ([iOS](https://apps.apple.com/app/id1388329910), [Android](https://play.google.com/store/apps/details?id=com.enapter&hl=en)).
+- Use [Enapter Gateway](https://go.enapter.com/handbook-gateway-setup) to run Virtual UCM.
+- Create [Enapter Virtual UCM](https://go.enapter.com/handbook-vucm).
+- [Upload](https://go.enapter.com/developers-upload-blueprint) this blueprint to Enapter Virtual UCM.
+- Use the `Set Up Connection` command in the Enapter mobile or Web app to set up the Enel JuiceBox 32 communication parameters:
+  - [Your Client ID](https://go.enapter.com/smappee-devapi-docs);
+  - [Your Client secret](https://go.enapter.com/smappee-devapi-docs).
+  - [Your Smappee username](https://go.enapter.com/smappee-devapi-docs).
+  - [Your Smappee password](https://go.enapter.com/smappee-devapi-docs).
+
+## References
+
+- [Smappee Infinity product page](https://go.enapter.com/smappee-infinity-product)
diff --git a/power_meters/smappee_infinity/manifest.yml b/power_meters/smappee_infinity/manifest.yml
new file mode 100644
index 00000000..41f2ff02
--- /dev/null
+++ b/power_meters/smappee_infinity/manifest.yml
@@ -0,0 +1,200 @@
+blueprint_spec: device/1.0
+display_name: Smappee Infinity
+description: Smart energy monitoring system
+icon: enapter-home
+vendor: smappee
+license: MIT
+author: enapter
+contributors:
+  - anataty
+support:
+  url: https://go.enapter.com/enapter-blueprint-support
+  email: support@enapter.com
+verification_level: verified
+
+communication_module:
+  product: ENP-VIRTUAL
+  lua:
+    dir: smappee_lua
+    amalg_mode: nodebug
+    dependencies:
+      - enapter-ucm
+
+properties:
+  vendor:
+    type: string
+    display_name: Vendor
+  model:
+    type: string
+    display_name: Model
+
+telemetry:
+  status:
+    type: string
+    display_name: State
+    enum:
+      - ok
+      - warning
+  consumption_power:
+    type: float
+    unit: Wh
+    display_name: Consumption
+  voltage1:
+    type: float
+    unit: V
+    display_name: Voltage Line 1
+  voltage2:
+    type: float
+    unit: V
+    display_name: Voltage Line 2
+  voltage3:
+    type: float
+    unit: V
+    display_name: Voltage Line 3
+  current1_PHASEA:
+    type: float
+    unit: A
+    display_name: Main Load Current phase A
+  current1_PHASEB:
+    type: float
+    unit: A
+    display_name: Main Load Current phase B
+  current1_PHASEC:
+    type: float
+    unit: A
+    display_name: Main Load Current phase C
+  active1_PHASEA:
+    type: float
+    unit: W
+    display_name: Main Load active power phase A
+  active1_PHASEB:
+    type: float
+    unit: W
+    display_name: Main Load active power phase B
+  active1_PHASEC:
+    type: float
+    unit: W
+    display_name: Main Load active power phase C
+  current2_PHASEA:
+    type: float
+    unit: A
+    display_name: Zone Carport/Cafe Current phase A
+  current2_PHASEB:
+    type: float
+    unit: A
+    display_name: Zone Carport/Cafe Current phase B
+  current2_PHASEC:
+    type: float
+    unit: A
+    display_name: Zone Carport/Cafe Current phase C
+  active2_PHASEA:
+    type: float
+    unit: W
+    display_name: Zone Carport/Cafe active power phase A
+  active2_PHASEB:
+    type: float
+    unit: W
+    display_name: Zone Carport/Cafe active power phase B
+  active2_PHASEC:
+    type: float
+    unit: W
+    display_name: Zone Carport/Cafe active power phase C
+  current3_PHASEA:
+    type: float
+    unit: A
+    display_name: Zone Hotel / Office Current phase A
+  current3_PHASEB:
+    type: float
+    unit: A
+    display_name: Zone Hotel / Office Current phase B
+  current3_PHASEC:
+    type: float
+    unit: A
+    display_name: Zone Hotel / Office Current phase C
+  active3_PHASEA:
+    type: float
+    unit: W
+    display_name: Zone Hotel / Office active power phase A
+  active3_PHASEB:
+    type: float
+    unit: W
+    display_name: Zone Hotel / Office active power phase B
+  active3_PHASEC:
+    type: float
+    unit: W
+    display_name: Zone Hotel / Office active power phase C
+
+alerts:
+  no_data:
+    severity: warning
+    display_name: No data from device
+    description: >
+      Can't read data from Smappee Infinity.
+      Please check connection parameters.
+  connection_error:
+    severity: warning
+    display_name: Connection Error
+    description: >
+      Please use "Set Up Connection" command to set up your
+      Smappee account configuration.
+  no_service_location_name:
+    severity: warning
+    display_name: No service location name
+    description: >
+      Please use "Set Up Connection" command to set up your
+      Smappee service location name.
+  invalid_service_location_id:
+    severity: warning
+    display_name: Incorrect service location name
+    description: >
+      Please double check Smappee service location name.
+
+command_groups:
+  connection:
+    display_name: Connection
+
+commands:
+  # TODO: mark commands containing secrets
+  write_configuration:
+    display_name: Set Up Connection
+    description: Set your Smappee account parameters
+    group: connection
+    populate_values_command: read_configuration
+    ui:
+      icon: file-document-edit-outline
+    arguments:
+      username:
+        display_name: Smappee username
+        type: string
+        required: true
+      password:
+        display_name: Smappee password
+        type: string
+        required: true
+      client_id:
+        display_name: Smappee Client ID
+        type: string
+        required: true
+      client_secret:
+        display_name: Smappee Client Secret
+        type: string
+        required: true
+      service_location_name:
+        display_name: Smappee Service Location name
+        type: string
+        required: false
+  read_configuration:
+    display_name: Read Connection Parameters
+    group: connection
+    ui:
+      icon: file-check-outline
+
+.cloud:
+  mobile_main_chart: consumption_power
+  mobile_charts:
+    - consumption_power
+    - active_power
+    - current
+    - voltage1
+    - voltage2
+    - voltage3
diff --git a/power_meters/smappee_infinity/smappee_lua/http_connection.lua b/power_meters/smappee_infinity/smappee_lua/http_connection.lua
new file mode 100644
index 00000000..07ddea78
--- /dev/null
+++ b/power_meters/smappee_infinity/smappee_lua/http_connection.lua
@@ -0,0 +1,248 @@
+local SmappeeHTTP = {}
+
+local json = require('json')
+local net_url = require('net.url')
+
+function SmappeeHTTP.new(username, password, client_secret, client_id, location_name)
+  assert(
+    type(username) == 'string',
+    'username (arg #1) must be string, given: ' .. inspect(username)
+  )
+  assert(
+    type(password) == 'string',
+    'password (arg #2) must be string, given: ' .. inspect(password)
+  )
+  assert(
+    type(client_secret) == 'string',
+    'client_secret (arg #3) must be string, given: ' .. inspect(client_secret)
+  )
+  assert(
+    type(client_id) == 'string',
+    'client_id (arg #4) must be string, given: ' .. inspect(client_id)
+  )
+
+  local self = setmetatable({}, { __index = SmappeeHTTP })
+
+  self.username = username
+  self.password = password
+  self.client_secret = client_secret
+  self.client_id = client_id
+  self.location_name = location_name
+
+  self.url = net_url.parse('https://app1pub.smappee.net/dev/v3')
+  self.client = http.client({ timeout = 5 })
+
+  return self
+end
+
+function SmappeeHTTP:process_unauthorized(request_type, headers, url, body)
+  local request = http.request(request_type, url, body)
+
+  if headers ~= nil then
+    for name, value in pairs(headers) do
+      request:set_header(name, value)
+    end
+  end
+
+  local response, err = self.client:do_request(request)
+
+  if err then
+    return nil, err
+  elseif response.code ~= 200 then
+    return nil, 'non-OK code: ' .. tostring(response.code)
+  else
+    return json.decode(response.body), nil
+  end
+end
+
+function SmappeeHTTP:process_authorized(request_type, url, body)
+  local request = http.request(request_type, url, body)
+
+  request:set_header('Authorization', 'Bearer ' .. self.access_token)
+  request:set_header('Content-Type', 'application/json')
+
+  local response, err = self.client:do_request(request)
+
+  if err then
+    return nil, err
+  elseif response.code ~= 200 then
+    return nil, 'non-OK code: ' .. tostring(response.code)
+  else
+    return json.decode(response.body), nil
+  end
+end
+
+function SmappeeHTTP:set_token()
+  local body = {
+    grant_type = 'password',
+    client_id = self.client_id,
+    client_secret = self.client_secret,
+    username = self.username,
+    password = self.password,
+  }
+
+  local headers = {}
+  headers['Content-Type'] = 'application/x-www-form-urlencoded'
+
+  local response, err = self:process_unauthorized(
+    'POST', headers, self.url .. 'oauth2/token', body
+  )
+  if err then
+    return 'set_token failed: ' .. tostring(err)
+  end
+
+  if response ~= nil then
+    self.access_token = response['access_token']
+    self.new_token = response['refresh_token']
+    if response['expires_in'] == nil then
+      return 'no_expire_time'
+    else
+      self.expires = response['expires_in'] + os.time()
+    end
+  else
+    return 'no_tokens_data'
+  end
+end
+
+function SmappeeHTTP:refresh_token()
+  local body = {
+    grant_type = 'refresh_token',
+    client_id = self.client_id,
+    client_secret = self.client_secret,
+    refresh_token = self.new_token,
+  }
+
+  local headers = {}
+  headers['Content-Type'] = 'application/x-www-form-urlencoded'
+
+  local response, err = self:process_unauthorized(
+    'POST', headers, self.url .. 'oauth2/token', body
+  )
+  if err then
+    return 'resfresh_token failed: ' .. tostring(err)
+  end
+
+  if response ~= nil then
+    self.access_token = response['access_token']
+    self.new_token = response['refresh_token']
+    if response['expires_in'] == nil then
+      return 'no_expire_time'
+    else
+      self.expires = response['expires_in'] + os.time()
+    end
+  else
+    return 'no_refresh_tokens_data'
+  end
+end
+
+function SmappeeHTTP:set_service_locations()
+  local response, err = self:process_authorized('GET', self.url .. 'servicelocation')
+  if err then
+    return 'set_service_locations failed: ' .. tostring(err)
+  end
+
+  if response ~= nil then
+    self.service_locations = response['serviceLocations']
+  else
+    return 'no_data'
+  end
+end
+
+function SmappeeHTTP:set_service_location_id()
+  local err = self:set_service_locations()
+  if err == nil then
+    if type(self.service_locations) == 'table' then
+      for _, location in ipairs(self.service_locations) do
+        for k, v in pairs(location) do
+          if k == 'name' and v == self.location_name then
+            self.service_location_id = location['serviceLocationId']
+          end
+        end
+      end
+      if not self.service_location_id then
+        return 'no_service_location_id'
+      end
+    else
+      return 'service_locations_invalid_type'
+    end
+  else
+    return tostring(err)
+  end
+end
+
+function SmappeeHTTP:set_metering_configuration()
+  local response, err = self:process_authorized(
+    'GET',
+    self.url .. 'servicelocation/' .. self.service_location_id .. '/meteringconfiguration'
+  )
+  if err then
+    return 'set_metering_configuration failed: ' .. tostring(err)
+  end
+
+  if response ~= nil then
+    local inputs = {}
+
+    for i, input in ipairs(response['measurements']) do
+      if not inputs[i] then
+        inputs[i] = {}
+      end
+      inputs[i]['name'] = input['name']
+      for _, val in ipairs(input['channels']) do
+        if not inputs[i]['indexes'] then
+          inputs[i]['indexes'] = {}
+        end
+        inputs[i]['indexes'][val['phase']] = val['consumptionIndex']
+      end
+    end
+
+    self.inputs = inputs
+  else
+    return 'no_metering_data'
+  end
+end
+
+function SmappeeHTTP:get_electricity_consumption(from, to)
+  local url = self.url / 'servicelocation' / self.service_location_id / 'consumption'
+  url:setQuery({ aggregation = 1, from = from, to = to })
+
+  local response, err = self:process_authorized('GET', url)
+
+  if err then
+    return nil, 'get_electricity_consumption failed: ' .. tostring(err)
+  end
+
+  local err = self:set_metering_configuration()
+  if err ~= nil then
+    return nil, err
+  end
+
+  local telemetry = {}
+  if response ~= nil then
+    if response['serviceLocationId'] == self.service_location_id then
+      local data = response['consumptions'][1]
+      if data ~= nil then
+        telemetry['voltage1'] = data['lineVoltages'][1]
+        telemetry['voltage2'] = data['lineVoltages'][2]
+        telemetry['voltage3'] = data['lineVoltages'][3]
+        telemetry['consumption_power'] = data['consumption']
+
+        for i, input in ipairs(self.inputs) do
+          for phase, index in pairs(input['indexes']) do
+            telemetry['current' .. i .. '_' .. phase] = data['current'][index + 1]
+            telemetry['active' .. i .. '_' .. phase] = data['active'][index + 1]
+          end
+        end
+        telemetry['status'] = 'ok'
+      end
+    else
+      telemetry['status'] = 'warning'
+      telemetry['alerts'] = { 'invalid_service_location_id' }
+    end
+  end
+  telemetry['status'] = 'warning'
+  telemetry['alerts'] = { 'no_data' }
+
+  return telemetry, nil
+end
+
+return SmappeeHTTP
diff --git a/power_meters/smappee_infinity/smappee_lua/main.lua b/power_meters/smappee_infinity/smappee_lua/main.lua
new file mode 100644
index 00000000..22f98545
--- /dev/null
+++ b/power_meters/smappee_infinity/smappee_lua/main.lua
@@ -0,0 +1,107 @@
+local config = require('enapter.ucm.config')
+local SmappeeHTTP = require('http_connection')
+
+-- Configuration variables must be also defined
+-- in `write_configuration` command arguments in manifest.yml
+USERNAME = 'username'
+PASSWORD = 'password'
+CLIENT_SECRET = 'client_secret'
+CLIENT_ID = 'client_id'
+SERVICE_LOCATION_NAME = 'service_location_name'
+
+-- holds global Smappee connection
+local smappee
+
+-- Initiate device firmware. Called at the end of the file.
+function main()
+  scheduler.add(30000, send_properties)
+  scheduler.add(2000, send_telemetry)
+
+  config.init({
+    [USERNAME] = { type = 'string', required = true },
+    [PASSWORD] = { type = 'string', required = true },
+    [CLIENT_SECRET] = { type = 'string', required = true },
+    [CLIENT_ID] = { type = 'string', required = true },
+    [SERVICE_LOCATION_NAME] = { type = 'string', required = true },
+  },
+  {
+    after_write = function(args)
+      if args.service_location_name == nil then
+        return "service_location_name is required"
+      else
+        smappee:refresh_token()
+        smappee:set_service_location_id()
+      end
+    end
+  })
+end
+
+function send_properties()
+  enapter.send_properties({
+    vendor = 'Smappee',
+    model = 'Infinity',
+  })
+end
+
+function send_telemetry()
+  local smappee, err = connect_smappee()
+  if err then
+    enapter.log("Can't connect to Smappee: " .. err)
+    enapter.send_telemetry({
+      status = 'warning',
+      alerts = { 'connection_error' },
+    })
+    return
+  else
+    local location_name = config.read(SERVICE_LOCATION_NAME)
+    if tostring(location_name) ~= '' then
+      smappee:set_service_location_id(location_name, smappee:get_service_locations())
+
+      local telemetry, err = smappee:get_electricity_consumption((os.time() - 600) * 1000, os.time() * 1000)
+      if err == nil then
+        enapter.send_telemetry(telemetry)
+      else
+        enapter.log(err, 'error', true)
+        enapter.send_telemetry({ status = 'warning', alerts = 'no_data' })
+      end
+    end
+  end
+end
+
+function connect_smappee()
+  if smappee and smappee.expires ~= nil then
+    if smappee.expires <= os.time() then
+      local err = smappee:refresh_token()
+      if err ~= nil then
+        return nil, err
+      end
+    end
+
+    return smappee, nil
+  end
+
+  local values, err = config.read_all()
+  if err then
+    enapter.log('cannot read config: ' .. tostring(err), 'error')
+    return nil, 'cannot_read_config'
+  else
+    local client_secret, client_id = values[CLIENT_SECRET], values[CLIENT_ID]
+    local username, password = values[USERNAME], values[PASSWORD]
+    local location_name = values[SERVICE_LOCATION_NAME]
+
+    if not client_secret or not client_id or not username or not password or not location_name then
+      return nil, 'not_configured'
+    else
+      smappee = SmappeeHTTP.new(username, password, client_secret, client_id)
+
+      local err = smappee:set_token()
+      if err == nil then
+        return smappee, nil
+      else
+        return nil, err
+      end
+    end
+  end
+end
+
+main()