Reference
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
Panels
Panel chemistry, sizes and what spec really means
Inverters
String vs hybrid vs micro, with a decision tree
Mounting
Roof types, fixings and warranty implications
DC isolators
The dull component that fails first
Output
Why MCS estimates and reality diverge
Self-consumption
Lifting the share of generated energy you actually use
Battery
Sizing
Matching capacity to your evening load shape
Chemistry
LFP vs NMC for UK domestic installs
Hybrid inverters
All-in-one tidiness vs single points of failure
Payback
Self-consumption uplift and tariff arbitrage
Virtual power plants
Schemes that pay for grid services in 2026
V2H and V2G
Vehicle-to-home status check
EV charging
Home chargers
Picking a unit in 2026
Smart tariffs
Octopus Intelligent vs alternatives
Install
Cable runs, fuses and DNO notification
Load management
Dynamic load balancing on single-phase homes
Solar pairing
When solar diverting actually works
Public networks
Networks ranked by uptime, not marketing
Heat pumps
Heat loss survey
The single most important document
ASHP vs GSHP
When ground source justifies the cost
Radiator sizing
Why existing rads are usually too small
Flow temperature
The number that decides comfort and efficiency
Noise
What the figures mean and where to place the unit
BUS grant
Eligibility, application, accredited installers
Reference (cross-cutting)
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.