Guides — United States
Every guide answers its question in the first two sentences, dates every price, and names every source. 434 published, grouped into the questions buyers actually ask.
Reading elsewhere? Canada guides · Nigeria guides · New Zealand guides · Pakistan guides · United Arab Emirates guides · Saudi Arabia guides · Ireland guides · Australia guides · United Kingdom guides · South Africa guides
Start with your question
What should I buy, and how do I not get cheated?
29 guides
FixesWhy is my inverter beeping?
5 guides
SystemsHow do I size it, and what changed with net billing?
86 guides
ElectricShould I go electric, and what will it really cost per km?
21 guides
MoneySchemes, instalments, loans — what can I actually get?
288 guides
ReportsWhat do the numbers say?
5 guides
All guides — page 11 of 19
Money
Schemes, instalments, loans — what can I actually get?
Maine PUC Net Energy Billing (NEB) Programs and Credit Mechanisms
Comprehensive guide to Maine Net Energy Billing (NEB) programs, covering system size caps, credit mechanisms, and tariff rates under statutory rules.
Maryland Bge And Pepco Tier 1 Solar Interconnection Guide
How do UL 1741-SB standards, 10-foot AC disconnect rules, and utility PTO approvals govern BGE and Pepco Tier 1 solar interconnection in Maryland?
Maryland EV Tax Credit in 2026: Funds, Waitlist, Eligibility
Maryland's $3,000 EV excise tax credit is out of FY2026 funds — applications join a waitlist for possible FY2027 money. Eligibility, amounts, what to do now.
Maryland Net Metering And Md Psc Subtitle 20 Guide
How do Maryland solar installations and 3 kWh battery systems qualify for 30% Section 25D tax credits while meeting UL 1741-SB rules?
Maryland PSC COMAR 20.50.10.01: Solar Net Metering Guide
Understand Maryland's COMAR 20.50.10.01 net metering rules. Learn about the 2 MW capacity limit, 200% usage standard, and 1,500 MW statewide cap (August 2026).
Maryland PSC Level 1 COMAR 20.50.09.09: Interconnection Guide for Small Generators
Understand Maryland's COMAR 20.50.09.09 Level 1 interconnection process for small generators, including 15% radial peak load screen and 20 kW shared secondar...
Maryland SREC Market and RPS Compliance Guide
Master the Maryland SREC market under the Clean Energy Jobs Act. Learn PJM-EIS GATS credit generation, 3-year lifespans, and Section 25D tax credits.
Massachusetts MOR-EV Rebate in 2026: Amounts and Changes
MOR-EV pays $3,500 on new EVs under $55,000, plus a $1,500 income-qualified adder and a used-EV rebate — and DOER filed rule changes in July 2026.
Massachusetts SMART Program and Solar Storage Adder Guide
Master the Massachusetts SMART program. Learn declining block tariffs, 20-year fixed compensation, battery storage adders, and Section 25D credits.
Massachusetts Solar Canopy and Parking Lot Carport Guide
Build commercial solar parking canopies in Massachusetts. Learn SMART canopy adders, Section 48 ITC tax credits, and structural steel engineering.
Michigan Distributed Generation Dg Inflow Outflow Tariff Guide
How does Michigan's Inflow-Outflow tariff credit exported solar at power supply rates while applying full distribution delivery charges on grid imports?
Michigan Dte And Consumers Energy Solar Interconnection Guide
How do DTE Energy and Consumers Energy evaluate Category 1 and Category 2 solar interconnection applications and AC disconnect switch safety rules?
Michigan Mpsc Distributed Generation And Inflow Outflow Guide
How do clean energy property expenditures qualify for US federal tax credits under Form 5695 rules and equipment certification standards in Michigan?
Minnesota EV Rebate in 2026: Fund Empty, What's Left
Minnesota's EV rebate has spent its funds and closed to new applications, and the federal credit is gone too. The utility rebates and cheap night power remain.
Minnesota Rule 7835: Distributed Generation Interconnection Guide
Understand Minnesota Rule 7835 for distributed generation interconnection, including capacity limits, net metering, and utility obligations.
Minnesota Solar Energy Standard And Cold Climate Battery Guide
How do Minnesota's 1.5% Solar Energy Standard and cold-climate indoor battery enclosure rules impact residential solar storage installations?
Minnesota Xcel Energy Solar Net Metering and Interconnection Guide
A complete guide to Minnesota solar net metering rules for public utilities like Xcel Energy, covering capacity caps, compensation, and meter aggregation.
Mississippi Electric Power Associations Solar Interconnection Guide
Mississippi Electric Power Associations (EPAs) member solar generation policies, interconnection standards, and safety disconnects.
Mississippi Entergy And Mississippi Power Solar Interconnection Guide
Entergy Mississippi and Mississippi Power Tier 1 simplified distributed generation interconnection and disconnect switch requirements.
Mississippi Power Solar Buyback And Tariff Guide
Mississippi Power Renewable Energy Net Metering Rider, monthly avoided-cost credit rates, and customer accounting true-up.
Mississippi Psc Rule 29 Net Metering And Incentive Guide
Mississippi PSC Rule 29 Net Metering and Distributed Generation rules, avoided-cost plus 2c/kWh adder, and low-income solar incentives.
Missouri Ameren And Evergy Solar Interconnection Guide
How do Ameren Missouri and Evergy simplified solar interconnection rules and 10kW residential AC disconnect requirements govern grid connection?
Missouri Net Metering And Mo Psc Billing Rules Guide
How does Missouri's Net Metering and Easy Connection Act credit excess solar generation up to 100kW at avoided-cost rates with an annual true-up?
Montana Dakota Utilities Mdu Solar Net Metering Guide
Montana-Dakota Utilities (MDU) net metering tariff requirements, dual-register metering, and witness testing procedures.