Spaces:
Sleeping
Sleeping
File size: 3,310 Bytes
d12c425 7b5bcb0 d12c425 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 |
import os
import math
import streamlit as st
import pandas as pd
from pathlib import Path
from dotenv import load_dotenv
load_dotenv()
st.set_page_config(page_title="GridCoin Calculator", layout="wide", page_icon="⚡")
st.markdown("""
<style>
.stNumberInput, .stSelectbox, .stSlider {
margin-bottom: -1rem;
}
div[data-testid="stVerticalBlock"] > div {
gap: 0.5rem;
}
.stSubheader {
margin-top: 0.5rem;
margin-bottom: 0.5rem;
}
</style>
""", unsafe_allow_html=True)
st.title("GridCoin — DER vs Non-DER Dashboard")
left_col, right_col = st.columns([1, 1])
with left_col:
st.subheader("⚙️ System Configuration")
c1, c2 = st.columns(2)
with c1:
owner = st.selectbox("Household type", ["DER Homeowner", "Non-DER Homeowner"])
pv_kw = st.number_input("Solar size (kW)", 0.0, 50.0, 7.0, step=0.5)
batt_kwh = st.number_input("Battery (kWh)", 0.0, 40.0, 0.0, step=0.5)
with c2:
annual_load = st.number_input("Annual use (kWh)", 500, 30000, 12000)
retail_rate = st.number_input("Retail rate ($/kWh)", 0.01, 1.0, 0.13, format="%.3f")
upfront = st.number_input("System cost ($)", 0, 100000, 25000)
st.markdown("---")
st.subheader("💰 Policy & GridCoin Settings")
c3, c4 = st.columns(2)
with c3:
exp_actual = st.number_input("Export credit ($/kWh)", 0.0, 1.0, 0.075, format="%.3f")
exp_evc = st.number_input("EVC Bonus ($/kWh)", 0.0, 1.0, 0.123, format="%.3f")
grid_fee = st.number_input("Grid fee ($/kW-mo)", 0.0, 20.0, 4.0)
with c4:
peak_start = st.number_input("Peak start (hr)", 0, 23, 17)
peak_end = st.number_input("Peak end (hr)", 0, 23, 21)
coin_value = st.number_input("GridCoin value ($)", 0.0, 1.0, 0.05, format="%.3f")
st.markdown("---")
st.subheader("🔋 GridCoin Calculator")
c5, c6 = st.columns(2)
with c5:
peak_fraction = st.slider("Peak export share", 0.0, 1.0, 0.30, 0.05)
with c6:
dr_kwh = st.number_input("DR savings (kWh)", 0.0, 5000.0, 0.0)
pv_yield = pv_kw * 1250
self_use_ratio = 0.65
self_used = pv_yield * self_use_ratio
exports = max(0, pv_yield - self_used - batt_kwh * 200)
peak_exports = exports * peak_fraction
coins_peak = peak_exports * 1.0
coins_dr = dr_kwh * 0.5
coins_total = coins_peak + coins_dr
coin_dollars = coins_total * coin_value
bill_nonder = annual_load * retail_rate
imports_der = max(0, annual_load - self_used)
exp_credit = exports * exp_actual
fee_der = grid_fee * pv_kw * 12
bill_der = imports_der * retail_rate + fee_der - exp_credit - coin_dollars
savings = max(0, bill_nonder - bill_der)
payback = upfront / savings if savings > 0 else math.inf
with right_col:
st.subheader("📊 Results Dashboard")
m1, m2 = st.columns(2)
m1.metric("GridCoins Earned", f"{coins_total:,.1f}")
m2.metric("GridCoin Value", f"${coin_dollars:,.2f}")
st.markdown("---")
st.markdown("### 💵 Annual Bill Comparison")
b1, b2, b3 = st.columns(3)
b1.metric("Non-DER Bill", f"${bill_nonder:,.0f}")
b2.metric("DER Bill", f"${bill_der:,.0f}", delta=f"${bill_der-bill_nonder:,.0f}")
b3.metric("Payback Period", f"{payback:.1f} yrs" if payback != math.inf else "N/A")
|