From 83af77a5113c730d321a7e8a0d418a7a8e2ef7f6 Mon Sep 17 00:00:00 2001 From: John Jasa Date: Wed, 15 Apr 2026 16:37:13 -0600 Subject: [PATCH] Making changes per Gen's suggestion --- docs/storage/storage_models_index.md | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/docs/storage/storage_models_index.md b/docs/storage/storage_models_index.md index 184ef47f4..d9a626d42 100644 --- a/docs/storage/storage_models_index.md +++ b/docs/storage/storage_models_index.md @@ -1,7 +1,10 @@ # Storage Models -Storage technologies input and output the 'Storage Commodity' (`commodity`) at different times. These technologies can be filled or charged, then unfilled or discharged at some later time. These models are usually constrained by two key model parameters: storage capacity and charge/discharge rate. + +Storage technologies input and output the 'Storage Commodity' (`commodity`) as a time series. These technologies can be both filled or charged and unfilled or discharged, resulting in a commodity stream that can be positive and negative.These models are usually constrained by two key model parameters: storage capacity and charge/discharge rate. ## Storage Performance Models + +H2I currently supports the following storage performance models: - [`StoragePerformanceModel`](#simple-generic-storage-performance) - [`PySAMBatteryPerformanceModel`](#pysam-battery-performance) - `StorageAutoSizingModel` @@ -38,7 +41,7 @@ The aggregated or summarized performance outputs are (single values): The results that are output per-year of the `plant_life` are: - `annual_commodity_produced`: each value is the `total_commodity_produced` scaled to a 1-year (8760 hours) simulation. This value may be negative if the storage charges more than discharges. -- `capacity_factor`: the storage capacity factor calculated as capacity factors are calculated in converter technologies, a ratio of the sum of *`total_commodity_produced`* to the discharge rate (or `rated_commodity_production`). This value may be negative if the storage charges more than discharges. +- `capacity_factor`: the storage capacity factor which is calculated in the same way that capacity factors are calculated in converter technologies, which is a ratio of the sum of *`total_commodity_produced`* to the discharge rate (or `rated_commodity_production`). This value may be negative if the storage charges more than discharges. $ CF = \frac{\sum_{t=0}^{n_{\text{timesteps}}}(\text{commodity_out}_t*dt)}{\text{\text{discharge}\_\text{rate}*n_{\text{timesteps}}*dt} $