Updates and thinking on home energy optimization.
ComEd Hourly Pricing bills the real-time hourly price, but the published forecast is day-ahead. We compared every hour from June to September 2026. Most days they agree. The days they don't are where the money goes.
Plug-in solar puts panels on a balcony or fence and a microinverter in a wall outlet. Because exported power usually pays nothing, the value depends entirely on running loads while the sun is up.
ComEd Delivery Time-of-Day swaps your flat delivery charge for one that varies by four daily windows, and it stacks with Hourly Pricing. What it costs by class, and how to pair it with your supply rate.
ComEd Peak Time Savings pays smart-meter customers a bill credit for using less than usual during event hours on hot summer days. How it works, what it stacks with, and how Hungry Machines already helps.
ComEd Time-of-Day Pricing bills Chicago-area homes on four fixed daily windows instead of a changing hourly price. What each window costs, by season and rate class, and how to use it.
The cheapest hours to run laundry, the dishwasher, an EV charger and a pool pump, with real per-kWh numbers for PG&E, SDG&E, SCE, ConEd and hourly-priced plans.
Whether time-of-use peak rates apply at weekends, utility by utility. PG&E's E-TOU-D is the main exception; SDG&E and SCE charge peak seven days a week.
Spain's regulated PVPC tariff sets a different electricity price every hour, published the evening before. How it works, and how to capture the savings.
Dynamic tariffs in the Netherlands, Germany and the Nordics pass through the day—ahead price - a new rate every hour. How to capture it automatically.
A day-by-day look at your first two weeks: what we record, when optimized schedules start, and the savings you should actually expect.
On a wholesale-linked plan your price follows Australia's NEM — negative midday, steep in the evening. How the swings work and how to ride them.
Octopus Agile reprices every 30 minutes, published a day ahead, and can go negative during Plunge Pricing. How the rates work and how to use cheap slots.
Ameren Illinois Power Smart Pricing charges the hourly wholesale rate, changing every hour. What you actually pay, and how to shift load automatically.
ConEd peak is 8 a.m.–midnight (~43¢/kWh), off-peak midnight–8 a.m. (~26¢), plus a 2–6 p.m. summer super-peak near 70¢. How to avoid the costly hours.
Southern California Edison's TOU-D-4-9PM, 5-8PM and PRIME plans all punish the evening peak. Each plan's peak hours and per-kWh rates, and how to save.
ComEd Hourly Pricing bills Chicago-area homes at the wholesale market price, which changes every hour. What the curve does all day, and how to use it.
SDG&E time-of-use plans charge 2–6× more during the 4–9 p.m. peak. How the rates work, and how to shift load out of that window automatically.
PG&E's E-TOU-C, E-TOU-D, E-ELEC, EV2-A and EV-B plans all punish the evening peak, and all are cheaper in winter. What each charges, and how to save.
How time-of-use electricity rates work and how to save money without giving up comfort. Includes examples and a practical homeowner checklist.
What a home energy management system (HEMS) is, which devices it controls, how the three approaches compare, and what it saves on time-of-use rates.
How to cut heating and cooling costs on a time-of-use rate using pre-conditioning, thermal mass, and automated daily scheduling.
Your home uses energy on a fixed schedule, but electricity prices change every hour. Hungry Machines bridges that gap, automatically.
Energy-optimization techniques, product updates, and best practices for home automation.