Lower bills, a smarter home, made for Portugal.
Helping expats in Portugal cut energy costs, automate their homes and live more comfortably — with Portuguese rules and prices, not generic advice.
Solar panels in Portugal (2026): real costs, savings and payback for expats
What a home solar system costs in Portugal in 2026, how much it saves, why 23% VAT and low export prices change the maths, and how to size it so it pays back.
Latest guides
Power cuts in rural Portugal: backup power options from a power station to a home battery
How to prepare a Portuguese country home for outages: what to keep running, portable power stations vs home batteries vs generators, water pumps, internet, and safe connection.
ComfortHeating a Portuguese house in winter: what works, what it costs and how to beat the damp
Why Portuguese homes feel so cold and damp in winter, how heat-pump air conditioning compares with oil radiators, gas and wood, how to estimate running costs, and the cheap fixes that help most.
Smart homeHome energy monitoring with Home Assistant: a practical setup for Portuguese homes
Build a reliable energy dashboard with Home Assistant: which meters to use (Shelly EM / Pro 3EM, smart plugs), single vs three-phase, solar and tariff tracking, and automations that save money in Portugal.
BillsBi-horário vs simples: which Portuguese electricity tariff saves you money?
How Portugal's simple, bi-hourly and tri-hourly tariffs work, the break-even share of off-peak use (about 37–40%), daily vs weekly cycles, and how automation makes bi-horário pay.
BillsElectricity prices in Portugal explained (2026): your bill, kVA and regulated vs free market
A plain-English guide for expats to Portuguese electricity bills in 2026: price per kWh, contracted power (kVA), the regulated tariff vs the free market, and how to pay less.
SolarIs a home battery worth it in Portugal? 5 kWh vs 10 kWh, payback and backup
When a home battery pays off with Portuguese tariffs and low export prices, how to choose between 5 kWh and 10 kWh, and what to check about backup during power cuts.
SolarBalcony solar in Portugal: the 800 W rule, zero-export and which kits make sense
Plug-in balcony solar in Portugal after DL 130/2026: when an 800 W kit needs no paperwork, why zero-export matters, realistic savings, and what to look for in a kit or battery.
SolarSelling surplus solar in Portugal: UPAC rules, the 2026 changes and what you'll earn
How Portugal's self-consumption (UPAC) regime works, the new rules from DL 130/2026, what paperwork you need to get paid for exported solar, and why it rarely pays to oversize.
Explore by topic
Solar & batteries
Panels, home batteries, balcony solar, UPAC rules and selling surplus in Portugal.
4 guidesEnergy bills
Electricity prices, tariffs, contracted power (kVA) and how to pay less.
2 guidesSmart home
Home Assistant, energy monitoring, automation and remote control for holiday homes.
1 guideHeating & cooling
Staying warm in a Portuguese winter and cool in summer without a huge bill.
1 guideOff-grid & resilience
Backup power, water, rural properties and outages.
1 guide