NB-Marion

Energy System: Daily Performance Report
April 22, 2026 | VRM Installation ID: 158483

Daily Summary

Solar Yield (24h)
7.96 kWh
Total Consumption (24h)
5.04 kWh
Net Energy Gain
+2.93 kWh
Generator Use
0.00 kWh
Battery SoC
86.8%
Min: 74.3% | Max: 100.0%
Avg Consumption Rate
210 W

24-Hour Performance Charts

Hourly data from VRM. Charts are interactive — hover for details.

Battery State of Charge (SoC) — 24h Trend
SoC Curve: Hover over data points for hourly values.
Solar Generation & Battery Voltage — Hourly
Solar Power (W): Left axis. Voltage (V): Right axis (shown if available from VRM stats).
Energy Consumption — Hourly Breakdown
Consumption (kWh/h): Red bars indicate spikes above 0.35 kWh/h.
Cumulative Solar Generation Throughout Day
Running Total: Accumulated solar yield throughout the day.

Energy Performance

✓ SELF-SUFFICIENT

Solar (7.96 kWh) exceeded consumption (5.04 kWh) — no generator required. NB-Marion delivered 7.96 kWh of solar yield today with 5.04 kWh consumption, resulting in +2.93 kWh net gain and full battery state. System health remains excellent with no generator use required. Yield was slightly above the 7-day average (6.28 kWh) despite battery saturation clipping ~50% of available midday production.

  • Battery reached 100% SoC by 11:00 and remained saturated (≥95%) for 7 of 14 solar hours, causing production clipping through midday
  • Morning consumption spike at 09:00–10:00 (0.537 kWh) occurred during charging phase when SoC was lowest at 79.5%
  • Afternoon consumption at 16:00–17:00 and 18:00–19:00 both occurred at high SoC (≥97%), drawing directly from full battery
  • Solar window spanned 06:00–19:30 with peak irradiance during 11:00–15:00 window
  • Average consumption maintained steady 210 W with no load shedding or generator supplementation needed

Consumption Pattern Analysis

Top Consumption Events:
Time (local)Hourly ConsumptionSoC at StartLikely Cause
09:00–10:000.537 kWh79.5%Unknown — review manually
18:00–19:000.473 kWh97.4%Unknown — review manually
16:00–17:000.387 kWh99.8%Unknown — review manually

Battery Performance

ParameterValue
Average SoC86.8%
SoC Range74.3% – 100.0%
Average Voltage13.33V
Voltage Range13.16V – 13.75V
Battery StatusExcellent

7-Day Summary

DateSolar YieldConsumptionNet GainAvg SoCMin SoC
Apr 167.43 kWh3.66 kWh+3.77 kWh85.8%72.6%
Apr 175.64 kWh4.54 kWh+1.09 kWh88.1%81.9%
Apr 187.58 kWh4.46 kWh+3.12 kWh89.4%77.6%
Apr 196.12 kWh4.49 kWh+1.63 kWh92.0%83.6%
Apr 206.19 kWh3.62 kWh+2.57 kWh91.1%81.7%
Apr 214.46 kWh3.73 kWh+0.73 kWh93.0%80.5%
Apr 227.96 kWh5.00 kWh+2.96 kWh86.9%74.2%

Weather Summary

  • Location: Pewsey, Wiltshire
  • Conditions: Overcast · 4.2°C – 15.4°C · Precipitation: 0.0 mm
  • Global Horizontal Irradiance (GHI): 6.66 kWh/m² (23.99 MJ/m²)
  • Expected System Yield (2.0kWp @ 75% efficiency): 10.10 kWh
  • Actual System Yield: 7.96 kWh
  • Solar Efficiency: 78.9% of expected
  • Harvest Reduction Cause: Battery at ≥95% SoC for 7 of 14 solar hours (50%) — production clipped by full batteries, not weather

Battery saturation during peak solar hours (50% of midday production clipped) was the primary factor limiting yield capture today; GHI of 6.66 kWh/m² provided adequate irradiance but full battery state prevented conversion of available solar resource into stored energy.

System Status Summary

✓ SELF-SUFFICIENT

  • Solar yield: 7.96 kWh
  • Total consumption: 5.04 kWh
  • Net energy: +2.93 kWh
  • Generator use: 0.00 kWh
  • Battery SoC range: 74.3% – 100.0%
  • Average voltage: 13.33V