Knowledge base

Every reference page on Energy Stack, grouped by topic. Use this when you want to scan the whole scope; otherwise jump straight into a topic from the top nav.

Solar

Topic overview →

S-01PanelsPanel chemistry, sizes and what spec really means S-02InvertersString vs hybrid vs micro, with a decision tree S-03MountingRoof types, fixings and warranty implications S-04DC isolatorsThe dull component that fails first S-05OutputWhy MCS estimates and reality diverge S-06Self-consumptionLifting the share of generated energy you actually use

Battery

Topic overview →

B-01SizingMatching capacity to your evening load shape B-02ChemistryLFP vs NMC for UK domestic installs B-03Hybrid invertersAll-in-one tidiness vs single points of failure B-04PaybackSelf-consumption uplift and tariff arbitrage B-05Virtual power plantsSchemes that pay for grid services in 2026 B-06V2H and V2GVehicle-to-home status check

EV charging

Topic overview →

E-01Home chargersPicking a unit in 2026 E-02Smart tariffsOctopus Intelligent vs alternatives E-03InstallCable runs, fuses and DNO notification E-04Load managementDynamic load balancing on single-phase homes E-05Solar pairingWhen solar diverting actually works E-06Public networksNetworks ranked by uptime, not marketing

Heat pumps

Topic overview →

H-01Heat loss surveyThe single most important document H-02ASHP vs GSHPWhen ground source justifies the cost H-03Radiator sizingWhy existing rads are usually too small H-04Flow temperatureThe number that decides comfort and efficiency H-05NoiseWhat the figures mean and where to place the unit H-06BUS grantEligibility, application, accredited installers

Reference (cross-cutting)

All reference →

Concepts that span multiple topics. Linked from inside each topic where relevant.

Single-phase vs three-phase supply

What it means, when it matters, how to find out which you have.

DNO notifications (G98/G99)

When notification is needed and what the application process looks like.

UK tariff structures

Flat rate, Economy 7, smart tariffs and how each interacts with solar and EVs.

MCS certification

What the scheme covers, why it matters for grants and export.

SEG (Smart Export Guarantee)

How export tariffs work and which suppliers pay the most.

Glossary

The acronyms a UK installer or quote will throw at you.