diff --git a/homeassistant/components/switch/tplink.py b/homeassistant/components/switch/tplink.py
index 1b8ef585557..2f695c0bfc1 100644
--- a/homeassistant/components/switch/tplink.py
+++ b/homeassistant/components/switch/tplink.py
@@ -18,11 +18,11 @@ REQUIREMENTS = ['pyHS100==0.2.4.2']
 
 _LOGGER = logging.getLogger(__name__)
 
-ATTR_CURRENT_CONSUMPTION = 'Current consumption'
-ATTR_TOTAL_CONSUMPTION = 'Total consumption'
-ATTR_DAILY_CONSUMPTION = 'Daily consumption'
-ATTR_VOLTAGE = 'Voltage'
-ATTR_CURRENT = 'Current'
+ATTR_CURRENT_CONSUMPTION = 'current_consumption'
+ATTR_TOTAL_CONSUMPTION = 'total_consumption'
+ATTR_DAILY_CONSUMPTION = 'daily_consumption'
+ATTR_VOLTAGE = 'voltage'
+ATTR_CURRENT = 'current'
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
     vol.Required(CONF_HOST): cv.string,