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TechnologyMay 2026

AI-Powered RE + BESS Sizing Across 8,760 Hours

The most consequential decision in an RE + BESS project is not the tariff negotiation or the EPC contract — it is the sizing. And it is still being done with back-of-the-envelope math. Ingro's simulation platform runs configurations across all 8,760 hours of the year.

Ingro's AI BESS Simulation Platform — PV–BESS system configuration analysis. 220+ simulated configurations plotted as PV size (MW) against BESS size (MWh), with colour encoding proximity to optimal; the converged solution sits at PV 290 MW × BESS 470 MWh. Still frame from the post's video.
Ingro's AI BESS Simulation Platform — PV–BESS system configuration analysis. 220+ simulated configurations plotted as PV size (MW) against BESS size (MWh), with colour encoding proximity to optimal; the converged solution sits at PV 290 MW × BESS 470 MWh. Still frame from the post's video.

The most consequential decision in an RE + BESS project is not the tariff negotiation or the EPC contract. It is the sizing. And it is still being done with back-of-the-envelope math.

Ingro Energy has built an AI-powered RE + BESS simulation platform that runs system configurations across 8,760 hourly demand profiles — capturing seasonal load patterns, dispatch strategies and grid reliance in a single unified model.

What it does under the hood

  • Loads historical demand data and computes hourly solar generation profiles
  • Optimises RE–BESS configurations across the full solution space
  • Models BESS dispatch, reducing DISCOM reliance where it costs the most
  • Breaks down consumption by season and day type
  • Runs a convergence analysis across multiple combinations and surfaces the single point where the system truly optimises

Why hourly resolution is the whole point

An annual energy balance will tell you that a given solar array covers a given load. It will not tell you that the coverage arrives at 11 a.m. and the load arrives at 8 p.m. Sizing done on annual or monthly averages systematically overstates renewable penetration and understates the storage required to actually capture it.

Running the full 8,760-hour year is what exposes the hours that break the case — the cloudy week in monsoon, the day type where the peak lands two hours later, the seasonal shift that leaves the battery short.

The output

A precise, defensible answer to the question every developer and lender eventually asks: what size do we actually build?

Getting it right with real demand and dispatch fidelity is the difference between a bankable project and an expensive assumption.

If you are a developer, IPP, DFI or investor evaluating utility-scale solar + storage, we would like to show you what this looks like on your project.

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