Hello fellow homelabbers, have you ever looked at the costs of your hobby? In this case, I’m referring to energy costs. Managing a homelab is a fantastic retirement hobby for me, but "enterprise-grade" hardware can quickly turn an electricity bill into a ?. Over the past few days, I conducted a thorough energy audit of my entire ecosystem—spanning my servers, networking core, and my dedicated management workstation. Through precise optimization of both my hardware and software, I successfully trimmed the fat, transforming a hungry setup into a highly efficient, automated media and virtualization powerhouse. My Summary When running 24/7, even small power drains add up over 365 days. My fully optimized homelab and network now consume an average of ~257 Watts of continuous power. On an annual basis, this translates to 2,250 kWh. Based on my fixed contract energy rate of €0.28372 per kWh, this results in a highly realistic and well-managed total cost of approximately €638.37 per year (around €53.20 per month). Given that my environment handles massive storage (80TB+), heavy virtualization (Proxmox, Windows 11, Docker), and active management for 5 to 6 hours a day, I am incredibly happy with this efficiency. My System-by-System Breakdown (Realistic Averages) My calculations do not look at theoretical "perfectly idle" numbers. Instead, they reflect my real-world mix of quiet periods, active usage, and automated workflows. 1. My Compute & Storage Core - Aoostar WTR Max NAS (~22W to ~45.5W | Average: ~30W) - Specs: AMD Ryzen 7 8845HS, 80GB ECC DDR5, 1x NVMe SSD, 4x 16TB High-Capacity HDDs. - Role: My primary data vault. - Lenovo ThinkStation P520 - System A (~65W to ~85W | Average: ~77W) - Specs: Intel Xeon W (6-Core/12-Threads), 128GB ECC DDR4, 2x SSDs, 4x 4TB HDDs, NVIDIA Quadro P1000. - Role: My heavy lifter. Runs Proxmox VE, hosting my VM's,LXC's, Homeassistant,Dockers, and my core Plex media streaming architecture. - Lenovo ThinkStation P520 - System B (Average: ~65W)