Waterfall Chart
Capital Expenditure Analysis
CapEx waterfall showing investment allocation across facilities, equipment, and technology.
Output
Python
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.patches import Patch
# CapEx allocation (in millions)
categories = ['Total\nBudget', 'Facility\nExpansion', 'Manufacturing\nEquipment', 'IT\nInfrastructure',
'R&D\nLabs', 'Fleet\nVehicles', 'Safety\nUpgrades', 'Remaining\nBudget']
values = [0, -45, -82, -35, -28, -15, -12, 0]
# Calculate running total
initial = 250
running_total = initial
bottoms = []
heights = []
colors = []
palette = ['#F5276C', '#F54927', '#F5B027', '#27D3F5', '#27F5B0', '#6CF527']
for i, (cat, val) in enumerate(zip(categories, values)):
if cat == 'Total\nBudget':
bottoms.append(0)
heights.append(initial)
colors.append('#4927F5')
elif cat == 'Remaining\nBudget':
bottoms.append(0)
heights.append(running_total)
colors.append('#27D3F5' if running_total > 0 else '#F5276C')
else:
bottoms.append(running_total + val)
heights.append(abs(val))
colors.append(palette[(i-1) % len(palette)])
running_total += val
# Create figure
fig, ax = plt.subplots(figsize=(14, 8), facecolor='#0a0a0f')
ax.set_facecolor('#0a0a0f')
x = np.arange(len(categories))
bars = ax.bar(x, heights, bottom=bottoms, color=colors, width=0.65, edgecolor='#1e293b', linewidth=1)
# Add value labels
for i, (bar, val, bot, height) in enumerate(zip(bars, values, bottoms, heights)):
y_pos = bot + height / 2
if categories[i] == 'Total\nBudget':
label = f"${height}M"
ax.text(bar.get_x() + bar.get_width()/2, y_pos, label,
ha='center', va='center', fontsize=11, fontweight='bold', color='white')
elif categories[i] == 'Remaining\nBudget':
label = f"${height}M"
ax.text(bar.get_x() + bar.get_width()/2, y_pos, label,
ha='center', va='center', fontsize=11, fontweight='bold', color='#0a0a0f')
else:
label = f"${abs(val)}M"
ax.text(bar.get_x() + bar.get_width()/2, y_pos, label,
ha='center', va='center', fontsize=10, fontweight='bold', color='white')
# Connect bars
for i in range(len(x) - 1):
if i == 0:
y = initial
else:
y = bottoms[i]
ax.plot([x[i] + 0.35, x[i+1] - 0.35], [y, y],
color='#475569', linestyle='--', linewidth=1.5, alpha=0.7)
# Styling
ax.set_xlim(-0.6, len(categories) - 0.4)
ax.set_ylim(0, initial * 1.1)
ax.set_xticks(x)
ax.set_xticklabels(categories, fontsize=9, color='#e2e8f0')
ax.set_ylabel('Budget ($ Millions)', fontsize=12, color='#e2e8f0', fontweight='500')
ax.set_title('Annual CapEx Allocation Breakdown', fontsize=16, color='white', fontweight='bold', pad=20)
ax.tick_params(axis='y', colors='#e2e8f0', labelsize=10)
ax.yaxis.grid(True, linestyle='--', alpha=0.3, color='#334155')
ax.set_axisbelow(True)
for spine in ax.spines.values():
spine.set_color('#334155')
# Percentage utilization annotation
utilized = initial - running_total
pct = (utilized / initial) * 100
ax.annotate(f'Budget Utilization: {pct:.1f}%', xy=(0.98, 0.95), xycoords='axes fraction',
fontsize=11, color='#27F5B0', ha='right', fontweight='bold',
bbox=dict(boxstyle='round,pad=0.4', facecolor='#1e293b', edgecolor='#27F5B0', alpha=0.9))
# Legend outside plot - simplified
legend_elements = [
Patch(facecolor='#4927F5', label='Total Budget'),
Patch(facecolor='#F5276C', label='Expenditures'),
Patch(facecolor='#27D3F5', label='Remaining')
]
ax.legend(handles=legend_elements, loc='upper left', bbox_to_anchor=(0, -0.1),
ncol=3, fontsize=9, facecolor='#1e293b', edgecolor='#334155', labelcolor='white')
plt.tight_layout()
plt.subplots_adjust(bottom=0.15)
plt.show()
Library
Matplotlib
Category
Financial
More Waterfall Chart examples
☕