diff --git a/infrastructure/docker/Dockerfile b/infrastructure/docker/Dockerfile
index 540a611..62f31a2 100644
--- a/infrastructure/docker/Dockerfile
+++ b/infrastructure/docker/Dockerfile
@@ -14,7 +14,6 @@ COPY requirements.txt app/requirements.txt
 
 # install requirements
 RUN pip install -r app/requirements.txt
-Run pip install git+https://github.com/SheffieldSolar/PV_Live-API#pvlive_api
 
 # copy library files
 COPY pvliveconsumer/ app/pvliveconsumer/
diff --git a/pvliveconsumer/app.py b/pvliveconsumer/app.py
index 394c06f..19a7d60 100644
--- a/pvliveconsumer/app.py
+++ b/pvliveconsumer/app.py
@@ -23,7 +23,7 @@
 import pvliveconsumer
 from pvliveconsumer.backup import make_gsp_yields_from_national
 from pvliveconsumer.gsps import filter_gsps_which_have_new_data, get_gsps
-from pvliveconsumer.nitghtime import make_night_time_zeros
+from pvliveconsumer.nightime import make_night_time_zeros
 from pvliveconsumer.time import check_uk_london_hour
 
 logging.basicConfig(
@@ -147,8 +147,7 @@ def pull_data_and_save(
     :param datetime_utc: datetime now, this is optional
     """
 
-    pvlive = PVLive()
-    pvlive.base_url = "https://api.pvlive.uk/pvlive/api/v4/"
+    pvlive = PVLive(domain_url="api.pvlive.uk")
 
     if datetime_utc is None:
         datetime_utc = datetime.utcnow().replace(tzinfo=timezone.utc)  # add timezone
diff --git a/pvliveconsumer/nitghtime.py b/pvliveconsumer/nightime.py
similarity index 83%
rename from pvliveconsumer/nitghtime.py
rename to pvliveconsumer/nightime.py
index 51ec5a6..b046926 100644
--- a/pvliveconsumer/nitghtime.py
+++ b/pvliveconsumer/nightime.py
@@ -1,7 +1,7 @@
 """ Add zeros to nightime """
 import logging
 import os
-from datetime import datetime
+from datetime import datetime, timedelta
 
 import pandas as pd
 import pvlib
@@ -45,6 +45,15 @@ def make_night_time_zeros(
     longitude = gsp_location["longitude"]
     latitude = gsp_location["latitude"]
 
+    # round start up to the nearest half hour
+    start = start.replace(microsecond=0)
+    if start.minute == 0 and start.second == 0:
+        pass
+    elif start.minute < 30 or (start.minute == 30 and start.second == 0):
+        start = start.replace(minute=30, second=0, microsecond=0)
+    else:
+        start = start.replace(minute=0, second=0, microsecond=0) + timedelta(hours=1)
+
     times = pd.date_range(start=start, end=end, freq="30min")
     # check if it is nighttime, and if so, set generation values to zero
     solpos = pvlib.solarposition.get_solarposition(
diff --git a/requirements.txt b/requirements.txt
index c1e282d..7056d41 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ urllib3
 requests
 nowcasting_datamodel==1.5.46
 sentry-sdk==2.13.0
-#git+https://github.com/SheffieldSolar/PV_Live-API#pvlive_api
 click
 pvlib
+pvlive-api==1.4.0
diff --git a/tests/test_nighttime.py b/tests/test_nighttime.py
index 928a5bc..fc2a564 100644
--- a/tests/test_nighttime.py
+++ b/tests/test_nighttime.py
@@ -1,4 +1,4 @@
-from pvliveconsumer.nitghtime import make_night_time_zeros
+from pvliveconsumer.nightime import make_night_time_zeros
 from datetime import datetime
 from nowcasting_datamodel.models.gsp import LocationSQL, GSPYieldSQL
 import pandas as pd