✅ Multi-Threading not working

tasks.Add(
                        Task.Run(() =>
                        {
                            DateTimeOffset findClosestToo = new DateTimeOffset(item.date.Year, item.date.Month, item.date.Day, item.date.Hour, 0, 0, TimeSpan.Zero);
                            NasaPower result;
                            Task<NasaPower> request = null;

                            if ((findClosestToo - previous).Duration() > (findClosestToo - item.date).Duration())
                            {
                                request = _client.GetFromJsonAsync<NasaPower>("?start=" + start.ToString("yyyyMMdd") + "&end=" + end.AddDays(1).ToString("yyyyMMdd") + "&latitude=" + item.latitude + "&longitude=" + item.longitude + "&community=re&parameters=ALLSKY_SFC_SW_DWN&format=json&header=true&time-standard=utc");
                            }
                       else
                            {
                                request = _client.GetFromJsonAsync<NasaPower>("?start=" + start.ToString("yyyyMMdd") + "&end=" + end.AddDays(1).ToString("yyyyMMdd") + "&latitude=" + previousItem.latitude + "&longitude=" + previousItem.longitude + "&community=re&parameters=ALLSKY_SFC_SW_DWN&format=json&header=true&time-standard=utc");
                            }

                            request.Wait();
                            result = request.Result;

                            solarPotential += result.properties.parameter.ALLSKY_SFC_SW_DWN[findClosestToo.ToString("yyyyMMddHH")];
                            Console.WriteLine(findClosestToo + "\t\t" + result.properties.parameter.ALLSKY_SFC_SW_DWN[findClosestToo.ToString("yyyyMMddHH")] + "\t\t" + solarPotential);
                            lock (outputResults)
                            {
                                outputResults.Add(new object[] { findClosestToo, result.properties.parameter.ALLSKY_SFC_SW_DWN[findClosestToo.ToString("yyyyMMddHH")], solarPotential });
}
}));